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Gearboxes

PRODUCT NEWS | 2025-03-05

Timken EnviroSpexx Bearings Reduce Energy Consumption in Industrial Equipment

Companies focused on reducing energy consumption and carbon emissions within industrial operations can address both by selecting Timken EnviroSpexx roller bearings.

FEATURE ARTICLES | 2025-03-01

Benefits of Inching Drives

The mining industry relies heavily on efficient and reliable equipment to process large volumes of ore and mineral resources. One critical component in this ecosystem is the grinding mill, which plays a pivotal role in comminuting materials to prepare them for further processing. Grinding mills, particularly the large semi-autogenous (SAG) and ball mills, often operate under challenging conditions that demand precision, durability, and adaptability. A key technology enabling these mills to operate safely and efficiently is the hydraulic inching drive system.

TECHNICAL ARTICLES | 2025-03-01

Mitigation of Gear Whine Noise in Agricultural Tractor Application

In the realm of tractor gearbox applications, gear whine noise has long been a persistent challenge that significantly impacts the user experience and overall perceived performance of the vehicle. This paper delves into a comprehensive study that discusses the approach to tackling this issue through a combination of design optimizations, simulation techniques and physical validation processes.

PRODUCT NEWS | 2025-02-24

KISSsoft System Module Offers Load Spectrum Calculation

The KISSsoft System Module is a user-friendly tool also for load spectrum calculation designed for gearboxes. It incorporates nominal boundary conditions, variable forces on shafts, gear shifts, and hence changes in the power flow and operating mode variations. This complexity allows comprehensive calculations based on actual operating data, such as vehicle simulations or in situ measurements.

PRODUCT NEWS | 2025-02-19

FVA Releases FVA-Workbench 10

The FVA-Workbench is a manufacturer-neutral solution for modeling, parameterization, and simulation of transmission systems. Version 10 was released on February 17, 2025, to make gearbox design even more efficient. For drive technology professionals, the FVA-Workbench is an indispensable tool for reliable modeling, calculation, and optimization of complex drive systems and transmission elements. The software bundles 50 years of research and development from the FVA expert network into a single platform, making its collected knowledge directly applicable for industrial practice.

INDUSTRY NEWS | 2025-02-18

GWJ Introduces 2025 Seminar Schedule

GWJ Technology is starting a new seminar schedule in 2025. This year, GWJ is once again offering a wide range of different seminars that can be booked as online seminars or, if desired, as traditional face-to-face events. The online seminars are designed to be interactive and provide a comprehensive insight into the respective topic. Practical exercises deepen the content. Online seminars take place over two or three days and last two hours each. 

TECHNICAL ARTICLES | 2025-02-14

Statistical Analysis of the Position Tolerances of Planet Pins in Planetary Gearboxes

Study uses a Monte Carlo simulation to investigate the influence of tolerances on the load capacity.

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FEATURE ARTICLES | 2025-02-14

Beyond Motors: Gearboxes as the Unsung Heroes in Robotics and Heavy-Duty Machines

Robotic devices—such as cobots, exoskeletons, prostheses, and humanoids—are designed to operate in environments that are shared with humans. These settings are often unpredictable, making human-centric movement a crucial requirement.

POWER PLAY | 2025-02-14

A Transmission from 2050

In the not-so-distant future, the world of power transmission has undergone a transformation so profound that today’s engineers would scarcely recognize it. Welcome
to the year 2050, where gears, drives, and motion systems have evolved into technological marvels beyond imagination. Let’s take a whimsical yet insightful journey through
the advancements shaping tomorrow’s motion technology.

FEATURE ARTICLES | 2025-02-12

To Pick the Right Drive, Ask the Right Questions

Selecting a drive, whether for a new application or to replace an existing one, doesn’t have to be a traumatic experience. The key to success lies in asking a logical sequence of thoughtful questions.

INDUSTRY NEWS | 2025-02-12

Bill Shepard and Sara Zimmerman to Lead PTDA in 2025

The 2025 Board of Directors and Manufacturer Council of the Power Transmission Distributors Association (PTDA) have officially begun their leadership terms.

INDUSTRY NEWS | 2025-02-11

Our High Torque Gears Fill a Key Design Gap

For over six decades, we’ve helped top engineers tackle tough gearing problems. Application industries include Robotics, Aerospace, Defense, Transportation and Medical. Learn how our gearing systems can be leveraged in your sector. Contact our engineers today at 320-762-7133 or for more information...

TECHNICAL ARTICLES | 2024-12-12

Virtual End-of-Line Test

Tooth contact analysis is an integral part of the gear design process. With the help of these simulation tools, it is possible to calculate the excitation caused by a tooth contact (Ref. 1). Usually, the load-free transmission error or the total transmission error under load is used for this purpose. However, the calculation with the tooth contact analysis ZAKO3D allows only a quasi-static consideration of the excitation. To better evaluate the behavior in the overall system, it is therefore necessary to perform a dynamics simulation. However, the main disadvantage of such dynamics simulations is the much longer computing time compared to quasi-static tooth contact analyses due to the high computational effort.

FEATURE ARTICLES | 2024-12-11

Operational Improvements

Since taking over as CEO of Solve Industrial Motion Group in June 2024, Ernie Lauber has focused on continuous improvement, predictive maintenance and growing the legacy brands within Solve.

Combining brands such as IPTCI, MasterDrive, PTI and TRITAN together with the LMS, SST, SPB-USA and USA Roller product lines, Solve Industrial Motion Group is a provider of high-quality metric and American Standard power transmission components and industrial-grade bearings.

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PRODUCT NEWS | 2024-12-02

Orbex Group Introduce Compact Wheel Drives for Advanced Mobile Robots

Orbex Group, a U.S.-based supplier of slip rings and electric motors, introduces a new family of compact wheel drives (CWD), increasing its offering of precision motion solutions. The CWD-500 and CWD-1000 are integrated motor, gearbox, encoder and wheel combination units, designed to facilitate easy application in compact robotic applications like autonomous mobile robots (AMR) and automated guided vehicles (AGV).

PRODUCT NEWS | 2024-11-12

Bonfiglioli Offers Mechatronic and Automation Solutions at SPS Nuremberg

Bonfiglioli is present at SPS Nuremberg from November 12-14. At Booth 450 in Hall 3A, Bonfiglioli showcases its comprehensive mechatronic proposal covering AMRs, material handling, logistics automation and packaging along with IIoT capabilities. Eyes also on electronics, with the solutions developed by Selcom.

PRODUCT NEWS | 2024-11-08

Force Control Gives New Life to Aging Dynamometer

Walk into any manufacturing plant in the United States and you are likely to see 50-year-old men and women working hard. These skilled craftsmen and women have earned the respect of their peers by performing year after year. While 50-year-old workers are commonplace, 50-year-old equipment…not so much. When that equipment happens to be a dynamometer, and it gets shipped back to the manufacturer for review and rebuild, it will invariably get nicknamed “dyno-saur.”

PRODUCT NEWS | 2024-10-24

Neugart Offers New Compact, Precision Gearboxes

The increasing demand for compact servo drives in mechanical engineering has led to a corresponding need for smaller gearboxes that are suitable for these drives. In response to this market need, Neugart is introducing three new precision planetary gearboxes in frame size 055: the PSBN055, PSN055, and PSFN055. These new additions extend the proven capabilities of the Precision Line portfolio.

INDUSTRY NEWS | 2024-10-15

Call for Papers: 54th Turbomachinery and 41st Pump Symposia

The advisory committees of the Turbomachinery & Pump Symposia (TPS) invite you to submit an abstract for the 2025 Symposia. The Turbomachinery and Pump Symposia (TPS) is the premier training and networking opportunity for professionals supporting petrochemical and related industries via their machinery expertise. TPS 2025 will be held September 16-18, 2025 at the George R. Brown Convention Center in Houston.

PRODUCT NEWS | 2024-10-10

KISSsoft System Module Optimizes Gearbox Design

The KISSsoft System Module is an intuitive, versatile, and adaptable tool for modeling and analyzing entire gear systems. It is an integral part and module of the KISSsoft software and accelerates sizing and optimization along the whole design process. Considering the needs of customers, KISSsoft's goal is to assist with the migration of the existing models to the System Module and for a smooth transition, it is highly recommended to start with the current release.

REVOLUTIONS | 2024-09-27

Bigger Shows, Better Technology

Coverage of IMTS and MINExpo International will continue on the PTE website through the end of the year and into 2025. We're excited to share the stories and new technologies discussed at both trade shows in September.

INDUSTRY NEWS | 2024-09-26

Dana Launches Reman Program Boosting Sustainability and Extending Life Cycles for Off-Highway Drive Technologies

At MINExpo, Dana Incorporated debuted a new certified remanufacturing program for Dana Spicer Off-Highway drivetrain components that extends equipment life cycles, supports sustainability initiatives, and improves return on investment.

INDUSTRY NEWS | 2024-09-20

R&D Test Systems Completes Foundation for new Test Bench: Main Bearings for 25 MW Wind Turbines

Nine months into building the most powerful test bench for main bearings to date, R&D Test Systems, Denmark’s wind turbine test specialist, has completed the 3,700 metric ton foundation and is now designing and welding the test bench parts that will perform extreme test loads on main bearings for 25 MW wind turbines. With delivery in 2025, the test bench is bound for LORC’s new main bearing test facility.

FEATURE ARTICLES | 2024-09-13

Massive Machinery and Innovation at MINExpo International 2024

MINExpo boasts 1,900+ companies involved in the global mining industry. Opening sessions allow the industry to come together to debate global challenges, market fluctuations and the future of mining. Resources include exploration, mine site development, open pit mining, underground mining, smelting and refining, processing and preparation and reclamation. Here’s a sample of the companies exhibiting and the products/technologies they will be featuring in Las Vegas from September 24–26, 2024.

PRODUCT NEWS | 2024-09-12

Regal Rexnord Unveils Full Product Lineup for Second-Generation SS700 Series Stainless Steel Worm Gearboxes

Regal Rexnord Corporation has added two new models to its portfolio of Boston Gear Gen2 SS700 Series stainless steel worm gearboxes. The new sizes bring the full product lineup to seven. A larger output shaft bore expands the number of applications each model of gearbox can support, providing flexibility and versatility for customers in a range of industries, including food, beverage and pharmaceuticals. 

INDUSTRY NEWS | 2024-09-09

ZF Wind Power Coimbatore is the first plant in India to roll out 50 Gigawatts of Wind Gearboxes

ZF Wind Power has announced a major milestone for the Indian market: the total production of 50 GW gearbox capacity at its state-of-the-art manufacturing facility in Coimbatore, India. This achievement underlines ZF’s commitment to India's renewable energy landscape, while strengthening their position as a strategic partner on the road to a sustainable future.

PRODUCT NEWS | 2024-08-23

Redex USA to Showcase Advanced Machine Tool Drives at IMTS 2024

Redex USA is pleased to announce it will showcase its portfolio of high-performance drives for machine tool applications at IMTS Level 3, Booth #236016.

PRODUCT NEWS | 2024-08-06

Portescap Offers Compact Spur Gearing Solution for Pumps

Portescap highlights the B16C gearbox as an ideal solution for optimizing infusion pump designs. This innovative spur gearing solution is tailored for engineers aiming to optimize their infusion pumps without sacrificing performance or reliability. The B16C's compact design reduces the overall length by 3 to 4 mm compared to similar motor/gearbox composites, making it an ideal choice for space-constrained applications.

INDUSTRY NEWS | 2024-08-06

Timken Agrees to Acquire CGI Inc.

The Timken Company has agreed to acquire CGI Inc., a Nevada-based manufacturer of precision drive systems serving a broad range of automation markets with a concentration in medical robotics. The deal is subject to customary closing conditions, including regulatory approval, and is expected to close in the third quarter.

FEATURE ARTICLES | 2024-08-05

Differential Gearboxes Ensure Wire and Cable Quality and Consistency

Demand for specialty wire and cable—fueled in part by data center expansion as well as new charging stations for electric vehicles (EVs)—is in turn creating greater demand for cable production capacity. As you design machines that will satisfy the demand, you’ll want to incorporate an effective driving method that controls speed and torque with the highest precision.

TECHNICAL ARTICLES | 2024-08-05

Holistic Assessment of Drive Systems with Gears, Shafts and Bearings Using Measured Torque-Speed Data

Verification of a drive system should include all main elements of the system, which are gears, bearings, shafts, and depending on the application other parts such as screws, couplings, and connections. Gears are clearly the most complicated parts for verification, but in many cases, a gearbox failure has its origin in a shaft or bearing failure. The subject of this paper is to explain how verification of a drive system based on measured or simulated torque-speed-time data can be handled. 

POWER PLAY | 2024-08-05

Lego Releases Apollo Lunar Rover Model

The Lego Technic NASA Apollo Lunar Roving Vehicle—LRV set is a detailed 1:8 scale model of the original moon buggy used by NASA’s last three Apollo crews. Comprising 1,913 pieces, this set follows Lego’s earlier releases of the Saturn V rocket and Apollo 11 lunar module. The new Lego set will be available in stores on August 1.

INDUSTRY NEWS | 2024-07-26

Interact Analysis Forecasts Growth in Global Gearbox and Geared Motor Markets

The landscape of the global precision gearbox and geared motor market is undergoing significant transformation and is expected to grow by over 10 percent in 2025, as it recovers from an earlier than anticipated dip in 2023 and 2024. According to the latest data from market intelligence specialist Interact Analysis, strong demand will generate a compound annual growth rate (CAGR) of 7.9 percent - with the market increasing from $3.29 billion to $4.8 billion - between 2023 and 2028.

INDUSTRY NEWS | 2024-07-24

Flender Receives Global Business Award

Mona Neubaur, deputy prime minister and minister of economic affairs of North Rhine-Westphalia, recently presented the NRW.Global Business Award 2024 to Flender CEO Andreas Evertz. Flender was one of four winners honored at the 20th anniversary of the Award at the K21 Ständehaus in Düsseldorf.

REVOLUTIONS | 2024-07-22

Massive Machinery and Innovation at MINExpo International 2024

MINExpo boasts 1,900+ companies involved in the global mining industry. Opening sessions allow the industry to come together to debate global challenges, market fluctuations and the future of mining. Resources include exploration, mine site development, open pit mining, underground mining, smelting and refining, processing and preparation and reclamation.

INDUSTRY NEWS | 2024-07-02

David Brown Santasalo Installs Complete Drive System Test Bed

David Brown Santasalo (DBS) recently completed the installation of an enhanced complete drive system test bed at the Service Center in Chile.

PRODUCT NEWS | 2024-06-27

Telescope Mirror Relies on SKF Adjustable Chocks

The European Southern Observatory’s Extremely Large Telescope (ESO’s ELT), now being built in Chile, will be the world’s largest visible/near-infrared telescope on completion in 2028. Its 39m-wide main mirror comprises 798 separate hexagonal pieces, attached to a base structure using steel flanges and SKF Vibracon adjustable chocks.

INDUSTRY NEWS | 2024-06-26

Siemens Mobility Invests in New Gearbox Production Line

Siemens Mobility has invested in its Cornellà factory to significantly expand production capacity and the product portfolio.

PRODUCT NEWS | 2024-05-13

GWJ Technology Presents New Version of TBK Calculation Software

GWJ Technology GmbH has presented a new version of its desktop solution TBK with numerous enhancements, particularly in the field of gearing. The TBK calculation software has been used successfully worldwide for more than four decades to dimension gears, shafts, connections, bearings, and other machine elements as well as complete gearboxes. With its various interfaces to 3D CAD systems, the TBK software is a powerful calculation tool for development, design, work planning, production, and quality assurance.

INDUSTRY NEWS | 2024-05-09

Voith Turbo Completes $5.8 Million Expansion to its York County Workshop

On May 7, 2024, Voith Turbo celebrated the completion of its almost $6 million workshop expansion in York County, PA., a move that's been driven by increased rail business where Buy America compliance is a critical component. The project added 10,000 square-feet to the workshop facility. A ribbon cutting for the expansion took place at the workshop, which is also the location of Voith Turbo’s North American headquarters, and included local and state officials, as well as employees.

PRODUCT NEWS | 2024-04-23

Dana Highlights Next-Generation Motion Systems at Hannover Messe

This week at Hannover Messe, Dana Incorporated is highlighting its broad range of next-generation motion systems offering superior performance, durability, and sustainability across the entire spectrum of industrial applications.
Located in Hall 6, Stand D48/1, Dana will feature its recently updated Brevini gearboxes and winches, as well as field-proven GWB industrial driveshafts.

INDUSTRY NEWS | 2024-04-19

Designing Systems in KISSdesign Sketcher

As engineers, we all know how to quickly create a sketch of a gearbox or transmission using a few lines. Using maybe black for shafts, green for bearings, blue for gears and red to indicate the power flow. We do this to remember a great idea, communicate with customers or to pass time waiting at an airport. 

KISSsoft emulates this approach in a much more orderly fashion. Using only the mouse, complex schematics can be drawn and edited, thereby converting the structure of a gearbox into a logical and 3D model. The schematic in the Sketcher also serves as a navigation and visualization tool and is complemented by an overview of some of the key data (e.g. module and number of teeth) of the components making up the gearbox.

INDUSTRY NEWS | 2024-04-16

Bonfiglioli Opens Academy at Chennai Institute of Technology

Bonfiglioli recently inaugurated Bonfiglioli Academy at Chennai Institute of Technology, marking a new milestone in their journey of cutting-edge technological innovation. This collaboration with the institute is a powerful example of bringing academic expertise and industry leadership together. Bonfiglioli is confident that this partnership will redefine research and development and create an environment where theoretical knowledge meets practical application.

| 2024-04-16

Understanding Cycloidal Gearboxes - Single-stage vs Multi-stage

It's no secret that cycloidal gearboxes are important in mechanical engineering, especially when it comes to precision motion control and efficient power transmission. The gear systems differ from harmonic wave/strain wave gearboxes by using a cycloidal disk and needle bearings to transmit torque with minimum backlash, achieve high reduction ratios, and support substantial loads. This Sumitomo Drive Technologies blog will talk about single-stage and multi-stage cycloidal gearboxes.

PRODUCT NEWS | 2024-04-12

SMT Examines Spline Rumble with MASTA

Spline rumble is characterized by a multiple low shaft order droning noise. It arises in electrified vehicle (EV) powertrains due to excitation at the spline connection between the motor rotor and the transmission input. It is caused by the interactions between manufacturing errors. In this article SMT will be looking at how MASTA can be used to predict rumble in a modern EV gearbox with a three-bearing input assembly layout.

PRODUCT NEWS | 2024-04-10

Liebherr Offers Electric Drive Solutions for Construction Machinery

Compact and lightweight – such is the most common requirement for the gearboxes of emission-free, electric drives. With seven basic gearboxes, the LPI series by Liebherr fulfils exactly this need for high power density. With their low weight, reduced installation space and torque ranges from 20,000 Nm to 350,000 Nm, they are ideally suited as drives for crawler and crawler undercarriages. Customized large gearboxes are even available up to the maximum torque of 2,300,000 Nm.

FEATURE ARTICLES | 2024-04-02

Master Power Transmission’s Automation Transformation with Ready Robotics

In the highly competitive gear manufacturing industry, Master Power Transmission (MPT) recognized the need for innovation. To achieve this, MPT partnered with Ready Robotics, undertaking a transformative journey into advanced automation through their Automation Readiness Assessment (ARA).

FEATURE ARTICLES | 2024-04-02

Needle of the Midday

Half a million global visitors visit Aiguille du Midi as an access point for skiing in the winter and hiking, rock climbing and paragliding in the spring, summer, and autumn seasons. The mountain—part of the French Alps—boasts the current title of employing “the world’s highest vertical ascent cable car.” This unique transportation takes passengers from 3,396 to 12,605 ft. above the clouds. The planetary gearboxes needed for the cable car operation are provided by CMD Gears.

TECHNICAL ARTICLES | 2024-04-02

Flexibility in Gear Design

TECHNICAL ARTICLES | 2024-04-02

Use of Gear Reliability Data in a Cloud-Based Gearbox Digital Twin Using Telematics Data

For this paper, the digital twin refers to a digital asset that exists alongside the physical asset during its operational life, providing insight into and feedback on the physical asset’s performance and health. Thus, the focus is on the DTI, with the potential to aggregate data into a DTA for the gearbox design being considered, and within the DTE set up by Hexagon.

In respect of the physical asset across its life, nothing is more important about its performance than its ability to function, i.e., reliability, and for CAE, nothing is of greater importance than to be able to predict the reliability of a product being designed. Thus, for this study, whilst gearbox noise, efficiency, and thermal behavior may be of interest, the primary interest is fatigue and reliability.

PRODUCT NEWS | 2024-03-20

Bonfiglioli Offers Mobile Solutions at Logimat 2024

Bonfiglioli boosts its participation at LogiMAT with two booths: the first, in the Hall 10, is dedicated to Solutions for Mobile Intralogistics (Booth 10D13), the second, in the Hall 7, is focused on Logistics Automation Solutions (Booth 7F09). This double presence holds significant strategic importance, reflecting the company's steadfast commitment in the development of complete cutting-edge solutions for warehouse operations, under the sign of efficiency and sustainability.

PRODUCT NEWS | 2024-02-13

FVA-Workbench Version 9 Redefines Gearbox Design

With the release of version 9, the FVA-Workbench once again sets new standards in gearbox design, enabling the seamless integration of the latest research results into industrial practice. As a groundbreaking interface between collective research and application, the FVA-Workbench accelerates development and innovation in drive technology. This new release is more powerful than ever, with innovative features for flexible load spectra and improvements in FEM components and shaft-hub connections.

PRODUCT NEWS | 2024-01-23

Redex Differential Gearboxes Ensure Lay Consistency for Wire Bunching Equipment

When it comes to twisting and bunching wire and cable, consistency is key. For example, the amount of insulation required for residential wiring depends on the wire’s lay — the distance between its twists, which is also known as the pitch. Without tight control during the wire bunching process, lay variations occur. As a result, the wire will require more insulation than necessary, raising its cost. A differential gearbox can drive rotating components in a single-twist buncher to provide a more uniform lay, using less power at a lower cost than a two-motor approach.

INDUSTRY NEWS | 2024-01-02

Parvalux Opens New U.K. Facility

Parvalux proudly cut the ribbon on their new state-of-the-art facility, Parvalux House on Technology Road. This facility is set to redefine industry standards and environmental responsibility. The Grand Opening in December welcomed several VIPs and industry leaders cementing Parvalux’s position within the local community.

INDUSTRY NEWS | 2023-12-19

Flender Receives Supplier Award from Caterpillar

Drive specialist Flender has received the Supplier Excellence Recognition Award 2023 from U.S.   machinery manufacturer Caterpillar. Flender received the award for maintaining 95 percent delivery reliability and zero defects. This achievement is awarded only to the top suppliers of Caterpillar. It positions Flender as a top supplier for its global Aftermarket (Reman) Division business.

INDUSTRY NEWS | 2023-12-18

Atlanta Gear Works Hires First HR Specialist

Atlanta Gear Works (AGW) is expanding its support staff by hiring its first Human Resources Specialist, a new position created to meet its expanding HR needs, previously managed by the company’s chief financial officer.

PRODUCT NEWS | 2023-12-13

Sulzer Boosts Power Infrastructure in China

China is leading the world in the construction of solar, wind and thermal power plants to support its increasing demand for electrical energy. For those that use steam turbines, boiler feed pumps (BFPs) are a crucial asset and selecting the best design to suit the needs of an individual station can have many benefits. When a recent project needed some of the largest start-up BFPs available, Sulzer was selected as the preferred supplier.

FEATURE ARTICLES | 2023-12-01

FVA-Workbench Drives Progress in Marine Transmissions at Reintjes

Developing a new gearbox series is costly and time-consuming. This is especially true in marine propulsion, as classification society certifications must be achieved in addition to the required verifications. For this reason, Reintjes offers the same drives for various types of ships. In gearbox development, this means that each application requires different loads and usage profiles, with different service lives and maintenance intervals. Thus, each drive must be designed and calculated with advance consideration of every possible profile.

PRODUCT NEWS | 2023-11-30

Bonfiglioli Highlights Industrial Automation Solutions at SPS 2023

The 2023 SPS trade fair in Nuremberg represented an important opportunity for Bonfiglioli to showcase its experience and expertise for industrial automation. This included mechatronic solutions specifically designed for packaging, intralogistics, robotics and IoT applications.

INDUSTRY NEWS | 2023-10-09

Interact Analysis Examines Geared Motors and Industrial Gears Market

From 2022 to 2023, the global geared motors and industrial gears market is expected to experience a significant slowdown in growth. Interact Analysis' preliminary research shows that global sales of geared motors and industrial gears in 2023 are expected to be around $12.7 billion, a slight decrease compared with 2022.

PRODUCT NEWS | 2023-10-02

Sumitomo Drive Technologies Presents New Generation of its ECY Shaft Gear Series

Sumitomo Drive Technologies is expanding its range of precision gear products and upgrading its ECY series with higher torque and a plug & play drive for motor connection. The ECY series comprises high-precision shaft gears, used for example for surface machining in dental technology or in collaborative robots (cobots). Thanks to their internal cylindrical roller bearings, the gear units provide both high rigidity and higher performance in a smaller design envelope.

TECHNICAL ARTICLES | 2023-09-29

Derivation of Relative EHL Film Thickness

This report derives the equation for relative elastohydrodynamic lubrication (EHL) film thickness. Mineral (MIN), polyalphaolefin (PAO), and polyalkylene glycol (PAG) lubricants with viscosity grades of ISO 320, 150, and 32 are analyzed.

FEATURE ARTICLES | 2023-09-28

Next-Generation Lubricants for Marine Applications

From manufacturing to maritime, the quest for sustainable solutions has given rise to the development of environmentally friendly lubricants. Among these, Environmentally Considerate Lubricants (ECL) and Environmentally Acceptable Lubricants (EALs) have gained prominence for their positive impact on both equipment performance and the planet. Let’s delve into the differences and advantages of these lubricant classifications.

TECHNICAL ARTICLES | 2023-09-28

Extending Inverter-Motor Systems Service Life

More energy efficiency, higher performance and better controllability are the main reasons why more electric drive systems are being operated with frequency converters. However, these devices can cause high-frequency, asymmetrical interference currents, which, as a current passage through the output and fan-side bearings, can cause damage and premature failure.

Current-compensated CoolBlue toroidal cores made of Magnetec’s nanocrystalline material Nanoperm have proven to be effective protection against such conducted interference and its consequences. In addition, the Nanoperm Line Absorbers NaLA can also be used to significantly suppress symmetrical interference currents.

PRODUCT NEWS | 2023-09-27

Portescap Gearhead Minimizes Heat and Enhances Efficiency

Portescap introduces the new R22T gearhead, the latest addition to its existing 22 mm gearbox portfolio. As a mid-torque gearhead, the R22T fills the gap between our light-torque R22 and high-torque R22HT gearheads. It is also fully compatible with Portescap’s brush DC and brushless DC slotless motors.

FEATURE ARTICLES | 2023-09-08

Power Up Your Participation

Motion + Power Technology (MPT) show brings together the gear and power transmission industries for a unique balance of education, new technologies and networking opportunities. The show takes place October 17-19,2023 in Detroit. 

TECHNICAL ARTICLES | 2023-09-08

Rolling Bearing Calculations with Considerations of Geometric Deviations

Rolling bearing calculations are usually based on the assumption of ideal nominal geometries. However, actual components and assemblies are always subject to statically distributed geometric deviations resulting from the manufacturing and assembly processes. This leads to changes in the internal geometric conditions which have an effect on bearing characteristics such as the service life. The FVA-Workbench makes it possible for users to consider these geometric deviations in bearing calculations for more reliable results.

INDUSTRY NEWS | 2023-09-01

PTDA Welcomes Three New Members

The Power Transmission Distributors Association (PTDA) welcomes three new distributors to its membership including Gordon Russell, MROSupply.com and Grainger.

PRODUCT NEWS | 2023-08-31

KISSsoft Offers LTCA Feature in Software Update

The loaded tooth contact analysis (LTCA) is crucial in understanding the deformation of gears and its impact on various factors such as noise generation, contact patterns, contact shocks, and torque variations. With the contact analysis feature in KISSsoft, users can calculate tooth contact under specific torque and speed levels, thereby assessing the performance of gears and gearboxes.

PRODUCT NEWS | 2023-08-30

JW Winco Offers Angular Gearboxes and Worm Reducers

JW Winco has expanded its product range with two compact and robust angular gearboxes that translate rotational movements by 90 degrees and transmit high torques with or without a gear ratio. They are suitable for applications such as handling systems, packaging machines, and conveyor technology.

INDUSTRY NEWS | 2023-08-28

Voith Turbo North America Breaks Ground on $5 million Expansion to Workshop in Pennsylvania

Voith Turbo North America has broken ground on a $5 million expansion of its workshop in York, Pa. The expansion will increase the Group Division’s American manufacturing capabilities.

PRODUCT NEWS | 2023-08-24

SEW-Eurodrive Helical and Bevel Gear Units Offer Sustainability and Efficiency

Digital data models and the latest calculation methods lay the foundations for a further improvement in the performance of Generation X.e. SEW-Eurodrive continuously factors the findings of field/test stand trials and simulations into its own calculations, thereby improving their accuracy and reliability. The mechanical and thermal design of the X..e series was once again precisely evaluated on this basis. In conjunction with the component optimizations already implemented in the past, this results in even higher thermal limit ratings, a much longer bearing service life, and higher nominal torques. Moreover, larger application angles are now permissible with the maximum overhung load. 

FEATURE ARTICLES | 2023-08-15

Paper Mill Precision

In paper mills throughout the country, gearboxes provide an integral solution for power transmission. Each is selected particularly and directly to perform a specific task in the production of paper. Due to the critical nature of the equipment, all gearboxes are heavily monitored and periodically inspected for preventive maintenance. If necessary, gearboxes can be reconditioned by replacing or repairing components with the intent to rebuild the entire gearbox to OEM specifications. 

| 2023-08-15

Fact or Fiction?

In everyday life and in the technical fields we often discover that certain decisions are based on “scientific data” when, in fact, they are often founded on historic conclusions that have not been challenged or re-evaluated in a long time. One such common myth is that for a stable and well-tuned drive you should match the motor’s inertia to the load inertia, which is typically done using a gearbox. Two factors lead to that conclusion: a. there is an optimization formula using the time constant of the motor and the load torque that shows that the best acceleration will be achieved if the reflected load inertia matches the rotor inertia; and b. a PID controller, which was commonly used when electric servos entered the marketplace, tend to perform best and appear to be most stable when the inertia are close or matched.

INDUSTRY NEWS | 2023-08-15

Eaton Changes Vehicle Group and eMobility Businesses to the Mobility Group

Intelligent power management company Eaton has announced a new name for its Vehicle Group and eMobility businesses. Eaton’s Mobility Group represents the company’s focus on providing solutions across the propulsion spectrum and meeting the evolving needs of its customers from internal combustion to electrified or a combination of both.

PRODUCT NEWS | 2023-08-08

Sumitomo Machinery Corporation of America Unveils New Line of Servo Gearboxes

Sumitomo Machinery Corporation of America (SMA), operating under the trusted brand name Sumitomo Drive Technologies, and a subsidiary of Sumitomo Heavy Industries, is proud to announce the launch of its innovative line of Servo Gearboxes. These new additions to the product portfolio encompass the Servo Cyclo, Servo Hyponic, and Servo Bevel BuddyBox 4.

TECHNICAL ARTICLES | 2023-08-03

Lenze Relies on the FVA-Workbench for Technical Sales

Technical sales personnel use intelligent features to select suitable motor-gearbox combinations and run calculations based on customer-specific operating data. This provides obvious added value for the customer. Service lives, safeties, and expected loads can all be determined in a short time. Maintenance of the underlying database and the use of simulation tools make it possible to quickly and easily perform technical calculations without having to rely on a central calculation department. In less than a minute, the customer is provided with a data sheet which includes reliable statements about the gearbox based on these technical calculations.

FEATURE ARTICLES | 2023-08-03

KISSsoft Supports Student Racing Team in Poland

KISSsoft helped AGH Racing students in Poland develop steering column gears in the RTC7.0 race car powered by an internal combustion engine. Then they used the software to develop a gearbox for their new electric AWD drivetrain in the upcoming RTE3.0 car. Most importantly, they could optimize the micro geometry of the gears and analyze the influence of different factors on the durability of the gear tooth. KISSsoft made it easier to apply quick changes in the project, as it adapts other tooth geometry to the ones they were working on.

FEATURE ARTICLES | 2023-08-03

Advancing Technology for MRO

The prediction and prevention of catastrophic failures and unplanned downtime has vastly improved areas like mining, energy, off-highway, and other industrial segments for MRO departments across manufacturing thanks to cutting-edge condition monitoring technology and predictive maintenance. 

INDUSTRY NEWS | 2023-08-03

Neugart Breaks Ground on Plant 3 at its Kippenheim Headquarters

Neugart GmbH celebrated the official groundbreaking ceremony for its new Plant 3 at its Kippenheim headquarters on July 26. With an investment of more than 25 million euros and a floor space of over 7,000 square meters, the company is thus setting a forward-looking example for further growth and even improved production processes.

TECHNICAL ARTICLES | 2023-07-27

Bearing Mounting Arrangements

It seems like everyone is jumping into the electric gearbox market. Even Schaeffler is in the electric drive module (EDM) market now with their own 800v system. With all these new entries, some companies are satisfied with following traditional bearing arrangements while some want new and unique solutions or some combination of both. There is heavy debate over which styles are the best. In this article, we will talk about the different types of 2-bearing arrangements for each shaft with the pros and cons of each for a simple three shaft, single speed parallel axis gearbox (ala Tesla style).

INDUSTRY NEWS | 2023-06-30

Andantex to Rebrand as Redex

Andantex USA Inc. will be renamed Redex USA Inc., according to Thomas Osygus, vice president of sales and marketing, Redex USA. "Our name is changing, but we will continue to offer the same high-quality motion control systems you’ve come to expect from us for over 40 years."

PRODUCT NEWS | 2023-06-28

SEW-Eurodrive Offers Coating-Free Gearmotors in ECO2 Design

When drives are being used in closed and well-protected rooms, they don't need to be painted or coated. That is why ECO2 gearmotors from SEW-Eurodrive, which feature an aluminum housing, offer a solution that is as sustainable as it is cost-effective.

INDUSTRY NEWS | 2023-06-27

Nord Drivesystems USA Expands Operations with New Texas Production Facility

Nord Drivesystems has seen exponential growth over the last several years as more companies incorporate automation into their workflow. In 2022, they had a record-breaking year and achieved over $1 Billion in sales for the first time in company history. The U.S. subsidiary of this family-owned German company currently operates out of three separate facilities– Corona, CA, Charlotte, NC, and Waunakee, WI, which also serves as their U.S. corporate headquarters.

PRODUCT NEWS | 2023-06-26

Neugart Configuration Tool Adds Additional Functions

The Neugart Calculation Program (NCP) configuration tool reliably leads to the most cost- and energy-efficient gearbox-motor combination. In the new NCP 4.3 version the performance of the program has been improved further through enhanced multi-core usage of the processor. Above all, effective immediately the proven software will offer many additional features and optimizations - including better comparisons and rack-and-pinion drives.

PRODUCT NEWS | 2023-06-23

Bonfiglioli Offers System Solutions at SPS Italia

At the SPS Italia event in Parma, Bonfiglioli presented technologies including its mechatronic solutions for industrial automation, packaging and intralogistics, robotics and IoT. 

FEATURE ARTICLES | 2023-06-20

How to Achieve Longer Gearbox Service Life

This paper examines the selection process, operation, maintenance practices, and state of a Sumitomo gearbox after over 24 years of operation. It is demonstrated that a quality product and careful consideration of all these factors are essential for a longer service life of the gearbox. Detailed information is provided on the operation of the gearbox, as well as the maintenance practices that should be taken to ensure its longevity. Finally, the paper examines the state of the gearbox after over two decades of use and how all these factors result in lowering carbon emissions.

FEATURE ARTICLES | 2023-06-05

Actuation Challenges in Robotics Today

The path toward success in mechanical power transmission today hinges on an organization’s ability to provide smart and digital automation solutions. Customers are looking for system components boasting more performance, precision, and cost effectiveness in robotics and industrial automation applications. Schaeffler, the global technology company specializing in solutions for the automotive and industrial sectors, offers a strong and diverse product range not only for large industrial robots, but also for lightweight and collaborative robots (cobots).

FEATURE ARTICLES | 2023-06-05

Brakes and Clutches for Integration into OEM Applications

Brakes and clutches play a crucial role in various applications, and their importance lies in their ability to control motion and transmit power with precision and accuracy and enhance the safety and protection of personnel and equipment. They also optimize energy consumption and reduce downtime. The ability to integrate these components into OEM applications is essential. Below we focus on the brake and clutch solutions provided by Force Control, Miki Pulley, and Ringfeder.

INDUSTRY NEWS | 2023-06-05

Salim Haffar Discusses EUROTRANS Priorities in 2023 and Beyond

Salim Haffar, deputy general manager at I-MAK, was reelected as president of EUROTRANS in 2022. This is Haffar’s third term in this role. PTE recently caught up with Haffar to discuss the evolution of EUROTRANS, the focus of the International Drive Conference at Hannover Messe and the current state of I-MAK’s gearbox business in Turkey.

PRODUCT NEWS | 2023-06-02

Sumitomo Highlights Visitor-Robot Interaction at Automatica 2023

Sumitomo Drive Technologies will be presenting its drive solutions for automation and robotics at Automatica 2023 in Munich from June 27-30, alongside Lafert Group.

PRODUCT NEWS | 2023-05-15

Nord Delivers Drive Technology for End-of-Line Packaging

Nord Drivesystems is highly familiar with the packaging industry’s specific requirements and has developed specialized solutions for end-of-line packaging applications.

PRODUCT NEWS | 2023-05-11

Bonfiglioli Offers Sustainable Electric Solutions at Logimat 2023

Logimat was the perfect opportunity for Bonfiglioli to share the expertise and know-how capitalized in over 60 years of business with customers and to present its solutions for forklifts, warehousing trucks and automated storage.

PRODUCT NEWS | 2023-05-11

ABM Drives Offers Bevel Gearbox Units

Electric drives in conveyor systems, lifting equipment, and forklifts are the motors that drive modern, efficient, and reliable intralogistics. ABM Drives Inc. develops and manufactures platform-based systems for stationary and mobile applications. ABM works closely with customers to build drive solutions, including motors, gearboxes, brakes, and frequency inverters tailored for specific applications.

INDUSTRY NEWS | 2023-04-26

Nord Drivesystems Celebrates 35 Years of Manufacturing in Germany

Since the early 1980s, Nord Drivesystems has produced its own electronics at their Aurich facility in northwest Lower Saxony, Germany. Over time, the production plant and product portfolio have been continuously expanded, increasing current staff to 180 with an additional 40 planned, as well as increasing manufacturing capacity to 400,000 units.

REVOLUTIONS | 2023-04-26

Conversations at Hannover Messe

Deutsche Messe is reporting 4,000 exhibitors in 2023 and 130,000+ attendees searching for the latest developments in electrification, sustainability, and digital solutions. While one might wonder if the show will ever reach pre-pandemic levels again, it was obvious there’s still a very focused global manufacturing network looking to solve climate, energy, and automation challenges in the coming years.

FEATURE ARTICLES | 2023-04-06

Having a Ball: The Technology Behind the Ball Drop

More than a billion people around the world unite to ring in the New Year, their eyes set upon the glittering New Year’s Ball in Manhattan. Thousands are gathered at Times Square — the famed “Bow Tie” of Midtown — braving the December cold and peering through glasses with numerically shaped frames. Millions more tune in from their various screens at home.
With so much riding on its descent, the Ball, along with the mechanical and electrical systems responsible for its operation, must operate like clockwork.

FEATURE ARTICLES | 2023-04-06

Industrial Transformation at Hannover Messe

Hannover Messe 2023 provides the latest technologies in robotics, automation, motion control, IIoT, fluid power, e-mobility, material handling and more. 

FEATURE ARTICLES | 2023-04-06

Precision Coupling Basics—Stiff or Stiff Enough?

Precision flexible shaft couplings come in two basic forms, both of which are designed to operate without backlash or excessive inertia while compensating for inevitable misalignment offsets between motor/gearbox and load. Torsionally stiff couplings are made with metallic flexible elements and with the intent to eliminate as much twisting deflection as possible so that the rotation of both shafts is kept as well synchronized as can be. 

FEATURE ARTICLES | 2023-04-06

KISSsoft Supports Student Racing Team in Taiwan

NYCU (National Yang Ming Chia Tung University) Vulpes Racing—founded in 2008—is a Formula Student Team that combines mechanical engineering, industrial design, public relations, video production and marketing expertise. 

TECHNICAL ARTICLES | 2023-04-06

On the Potential of High-Ratio Planetary Gearboxes for Next-Generation Robotics

The earliest example of a gear train dates to at least 2,000 B.C. when Chinese engineers built a chariot that used a complex planetary mechanism made of wooden gears to let a dragon head continuously point south when driven around (Ref. 1). In Greece, a surprisingly advanced Antikythera gearbox mechanism, incorporating at least 37 precisely crafted bronze gears, was built years later, between 205–60 B.C. (Ref. 2).

INDUSTRY NEWS | 2023-04-04

Liebherr Examines 2022 Business Outlook

Difficult general conditions, rapidly rising food and fuel prices, as well as the ongoing coronavirus pandemic and related regional lockdowns weighed on economic development and slowed economic growth in the past business year. Nevertheless, Liebherr’s total revenue increased significantly compared to the previous year. The group achieved increased revenue in 10 of its 13 product segments, some of them significant. It thus surpassed its previous record from 2021 by €950 million.

PRODUCT NEWS | 2023-03-31

Nord Highlights Drive Solutions at Interpack 2023

At Interpack in Dusseldorf, the drive specialist Nord Drivesystems will present its wide product portfolio and great expertise in the packaging industry from May 4-10, 2023 – from decentralized frequency inverters to energy-efficient drives to high-performance surface treatments for washdown or spray areas.

INDUSTRY NEWS | 2023-03-27

Bonfiglioli Completes Selcom Acquisition

Bonfiglioli S.p.A, global leader in the market of drives for industrial automation, wind generators and mobile machinery in the construction, earthmoving and intralogistics sectors, following the communication released on February 7, 2023, is proud to announce that it completed the 100% acquisition of the share capital of Selcom Group. 

INDUSTRY NEWS | 2023-03-24

AGMA Announces New Board of Directors and Officers at Annual Meeting

The American Gear Manufacturers Association (AGMA) has changed its board of directors. These changes took place at the 2023 AGMA Annual Meeting in Lake Buena Vista, Fla.

PRODUCT NEWS | 2023-03-23

Sumitomo and Lafert Offer AGV Solution at Logimat 2023

Sumitomo Drive Technologies and Lafert Group will be jointly exhibiting a new version of their drive for applications in automated guided vehicle (AGV) systems at Logimat 2023 from April 25 to 27 in Stuttgart, Germany (Booth F45, Hall 6). The Smartris Drive Compact is a compact drive that is just a quarter of the size of the standard model.

TECHNICAL ARTICLES | 2023-03-22

A Model for Considering Wheel Body Deformation in Tooth Contact Load Distribution

This study presents a simulation method for considering complex wheel bodies in an analytical tooth contact model. The wheel body is considered using reduced FE stiffness. Reduction points are defined over the width and linked with the analytical gear.

For cylindrical wheel bodies, comparative calculations show fewer deviations from the expected results with the new method. This is due to the additional degrees of freedom in the FEM model. In the calculation with cylindrical wheel bodies, bending due to axial force in tooth contact could also be verified in addition to the deformation in tooth contact and the influence of the shaft-bearing system.

FEATURE ARTICLES | 2023-03-21

Making the Move to Digitalization and Electrification

The following article is a collection of products and technologies featured at IFPE and CONExpo/CONAGG 2023. 

FEATURE ARTICLES | 2023-03-21

Peering into the Crystal Ball on Condition Monitoring Technology

There is an increasing trend toward integrating evermore compact smart components into larger, more complex motion control systems, and advances in AI, ML, and IIoT are helping with the speed and quality of their adoption.

PRODUCT NEWS | 2023-03-21

NKE to Feature Wind Power Bearings at Hannover Messe

At this year’s Hannover Messe, NKE Austria GmbH will present bearings for wind turbine gearboxes and generators. The Austrian bearing manufacturer has more than 20 years of experience in the wind energy sector. NKE bearings have been installed in more than 4,000 wind turbines across Europe, the USA and China, equivalent to more than 10,000 MW of installed power. 

INDUSTRY NEWS | 2023-03-20

The Future of Construction Looks Promising

After five jam-packed days of innovative product launches and major company announcements, enlightening education sessions and countless networking opportunities, CONEXPO-CON/AGG & IFPE 2023 have come to a close, but not before taking the construction industry to the next level.

PRODUCT NEWS | 2023-03-13

Sumitomo Highlights Drive Technology at Hannover Messe 2023

Sumitomo Drive Technologies, together with Invertek Drives and Lafert Group, will be presenting its complete drive solutions for automation and Industry 4.0 at Hannover Messe 2023. From April 17 to 21, visitors to Hall 6, Booth B25 will learn how they can use energy-efficient drive solutions to meet their sustainability goals while also boosting their competitiveness.

REVOLUTIONS | 2023-03-06

Making the Move to Digitalization and Electrification

The International Fluid Power Exposition (IFPE), Las Vegas March 14-18, is where fluid power professionals meet to discover highly engineered solutions for improving mobile and industrial equipment's efficiency, performance, and sustainability. Attendees will also learn about the latest technology available to the industry and network to discuss and combat the most pressing industrial challenges.

PRODUCT NEWS | 2023-03-03

Nidec-Shimpo Expands FLEXWAVE Control Reducers Series

Nidec-Shimpo Corporation (“Nidec-Shimpo”) has added adopter-combined gearhead types to its FLEXWAVE series of precision control reducers currently on sale.

INDUSTRY NEWS | 2023-02-23

Germany's Economic Minister Set to Visit Hannover Messe

Some 4,000 companies from the general engineering, electrical, digital and energy industries will showcase solutions for the production and energy supply of the future at Hannover Messe. Dr. Robert Habeck, Germany's Federal Minister for Economics and Climate Action, is set to visit Hannover on the second day of the flagship event for dialog with representatives of industry on taking the path to climate-friendly production.

INDUSTRY NEWS | 2023-02-22

PTDA Raises Nearly $125,000 in First Stage of Fundraising Campaign

During the first three months of its 2023 Fund Drive campaign, the PTDA Foundation raised nearly $125,000. Contributions to the annual PTDA Foundation Fund Drive support PT WORK Force, an initiative to empower PT/MC (power transmission/motion control) industry employers to be more successful in their recruitment and retention efforts. 

INDUSTRY NEWS | 2023-02-21

Timken Continues to Provide Main Reduction Gears for U.S. Navy Ships

The Timken Company continues to be a key contributor to the latest generation of United States Navy ships. General Dynamics Bath Iron Works (BIW) recently awarded Timken a long-term contract to deliver Philadelphia Gear main reduction gears (MRGs) for all future Flight III ships of the Arleigh Burke (DDG-51) class. The contract, if executed fully, will result in revenue of more than $500 million for Timken over approximately five to eight years. Production is expected to begin in 2024.

REVOLUTIONS | 2023-02-17

Hannover Messe Motors Preview

PTE will feature a variety of new component technologies online for bearings, motors, couplings, brakes, gear drives, and motion control systems leading up to Hannover Messe 2023 in Germany. First up is a preview of some motor suppliers to check out if you're planning on attending the event online or in-person in April. 

PRODUCT NEWS | 2023-02-15

JW Winco Introduces Gears and Gear Racks Made from Polyamide

Gears and gear racks used for transmitting torque and forces within gearboxes are typically made of hardened steel. For many other uses and applications, gears and racks made from plastic are the better choice. These generally require no lubrication and are lighter, quieter, less expensive, and more resistant to corrosion than metal gears. This is why JW Winco is expanding its range with polyamide gears and racks that can transmit high forces and torques.

PRODUCT NEWS | 2023-02-10

NORD Showcases Supply Chain and System Solutions at ProMat

NORD DRIVESYSTEMS will be attending this year’s ProMat Exhibition to showcase their reliable supply chain solutions. Their modular product design delivers versatility with over 20,000,000 unique configurations of gearboxes, electric motors, and variable frequency drives – eliminating the need for costly custom components.

INDUSTRY NEWS | 2023-02-08

Bonfiglioli Agrees to Acquire Selcom Group

Bonfiglioli has agreed to acquire Selcom Group from funds controlled by Avenue Capital Group and Europa Investimenti. Selcom Group specializes in the design, production and sale of electronic boards, electronic products, as well as software and solutions for customers in the industrial, biomedical, automotive, intra-logistics and home-appliance automation sectors. 

REVOLUTIONS | 2023-02-08

An Early Look at Automate 2023

Automate delivers the latest innovations in manufacturing automation technology from more than 600 leading exhibitors. Each day also offers inspirational keynote sessions and theater presentations to help attendees find the best solutions for their unique business needs.

TECHNICAL ARTICLES | 2023-02-08

Unconventional Gear Profiles in Planetary Gearboxes

Today, gearboxes are inevitable in numerous applications requiring high power density including wind turbines, electric vehicles, cranes, robotics, etc. A combination of high-ratio gearboxes with high-speed, low-torque motors is often used to achieve high power density. Planetary gear trains (PGTs) help achieve a high gear ratio in a compact arrangement. Several configurations of planetary gears are widely studied in this article where the gear profiles used in these studies are primarily involute.

PUBLISHER'S PAGE | 2023-02-07

This is the Way

If you’ve watched any of the Star Wars/Disney+ series The Mandalorian, you’ve no doubt become familiar with the catchphrase “This is the Way,” often uttered by the main character and others who come from his home planet.


PRODUCT NEWS | 2023-02-03

Miki Pulley Brake Models Designed for Overhead Garage Door Applications

Commercial garage doors range in many sizes and configurations requiring a “just right” model and size brake for reliable automatic operation. Depending on the design and size of the overhead door and placement of the brake, a variety of brake models and sizes offer solutions from the Miki Pulley brake lineup. 

INDUSTRY NEWS | 2023-02-03

AD Reports Record 2022 Results

AD is reporting record results for 2022 in owner/member sales, member purchases from AD suppliers, AD warehouse sales to AD members, net distributions to members, and operational efficiency. 

PRODUCT NEWS | 2023-02-02

NORD to Display High-Performance Drive Solutions at CONEXPO – CON/AGG 2023

NORD DRIVESYSTEMS will be exhibiting at this year’s CONEXPO–CON/AGG March 14th - 18th in Las Vegas, Nev. CON/AGG is North America’s largest construction trade show and creates one convenient place for attendees to learn about the future of construction technology and heavy-duty solutions from industry leaders. NORD’s construction solutions focus on reliability, high-efficiency, and versatility.

PRODUCT NEWS | 2023-01-26

SKF Streamlines Bearing Analysis for Ansys Users

With the new SKF Bearing App for the popular Ansys Mechanical Finite Element Analysis (FEA) software, engineers no longer need to rely on approximations or complex, unreliable models in their simulations. 

PRODUCT NEWS | 2023-01-23

Harmonic Drive Announces HPF Series

Harmonic Drive announces the release of its HPF series of hollow shaft gear units. Designed for heavy-duty industrial applications, these advanced gear units offer high torque outputs and flexible installation options, making them ideal for use in demanding environments.

INDUSTRY NEWS | 2023-01-19

AMT–The Association For Manufacturing Technology and Mesago Messe Frankfurt Collaborate to Expand Automation Across the United States

Two of the global manufacturing industry’s premier organizations, AMT – The Association For Manufacturing Technology and Mesago, a subsidiary of Messe Frankfurt Group, today announced a collaboration to create the Automation Sector at IMTS – The International Manufacturing Technology Show in 2024, and SPS – Smart Production Solutions in Atlanta, Georgia, in 2025.

INDUSTRY NEWS | 2023-01-11

Auto Gear Joins Gear Motions

Gear Motions is proud to announce that Auto Gear Inc. has joined the Gear Motion’s family. Auto Gear located in Syracuse, New York, specializes in efficient and economical low-volume gearbox production, from design to delivery. 

INDUSTRY NEWS | 2023-01-10

Interact Analysis Sees Geared Products Market Growth in 2022

Updated research from Interact Analysis shows the geared motors and industrial gears market experienced strong growth in 2021. The market expanded by 16 percent last year, with the sharp rise driven by price increases. On average, the selling price for geared motors and gearboxes increased by 7.8 percent in 2021, with further price rises forecast in 2022. 

INDUSTRY NEWS | 2023-01-06

Interact Analysis Looks at Global Geared Motors and Heavy-Duty Gears Market

Interact Analysis have recently released the 3rd edition of the Geared Motors and Industrial (Heavy-Duty) Gears report. This market study covers finished geared motors and gearboxes for general industrial use, including light- and heavy-duty products, as well as planetary gears, with the exclusion of precision gearboxes and loose gear parts. In this edition, amidst global macroeconomic uncertainty, market trend projections have become more volatile compared to previous years.

REVOLUTIONS | 2023-01-03

FVA Presents Transmission Design Considerations

For optimal gear design in accordance with requirements, it is essential to consider load spectra under the most realistic conditions possible as early as the virtual basic design phase. This is the only way to ensure that all components are loaded as evenly as possible to avoid overdimensioning.

Optimized design saves resources and costs and improves the CO2 balance – an aspect that is becoming increasingly important in the current environment and can offer a competitive advantage. Load spectrum calculations are also important for replacing complex time and cost-intensive experiments by simulating test rig damage tests.

INDUSTRY NEWS | 2022-12-29

NORD Exceeds $1 Billion in Sales in 2022

2022 has proven to be another record-breaking year for NORD DRIVESYSTEMS as they achieved over $1 billion dollars in sales for the first time in company history. NORD sees this as confirmation from their customers that they are a reliable, competent partner with a wide range of efficient, highly configurable drive solutions that are available for over 100 specialized industries worldwide. 

INDUSTRY NEWS | 2022-12-28

David Brown Santasalo Delivers Customized Training to Breedon Cement

David Brown Santasalo (DBS) was delighted to recently welcome valued customer, Breedon Cement’s new intake of apprentices, reliability engineers and their mentors to their Park Works, Huddersfield, UK facility for a day of training delivered by DBS’ Development Director, Mike Field.

PRODUCT NEWS | 2022-12-21

NORD Displays Cost-Effective Solutions at IPPE 2023

NORD DRIVESYSTEMS will be showcasing their innovative meat and poultry drive solutions at the International Production & Processing Expo (IPPE) January 24th – 26th in Atlanta, GA. NORD’s food processing and packaging solutions focus on precise, dynamic control for conveyor systems, reliable performance, and compliance with strict hygiene standards for washdown environments.

INDUSTRY NEWS | 2022-12-14

Melior Motion Becomes Schaeffler Ultra Precision Drives GmbH

At the beginning of this year, the automotive and industrial supplier Schaeffler acquired Melior Motion GmbH, an innovative manufacturer of precision gearboxes for robotics and automation applications, among others. As of December 1, 2022, Melior Motion GmbH will operate under the name of Schaeffler Ultra Precision Drives GmbH. The aim of the acquisition is to continuously expand the Industrial division’s portfolio of precision gearboxes and to secure a strategically strong position in the dynamically growing market for industrial automation.

INDUSTRY NEWS | 2022-12-08

eAssistant & GearEngineer Support Interactive Learning Tool for Kids

GWJ Technology GmbH, based in Braunschweig, Germany, is a leading manufacturer and provider of calculation solutions for mechanical and gear engineering. With its web-based software eAssistant as well as the special software GearEngineer, GWJ supports GaliGear—an interactive learning tool for children. 

PRODUCT NEWS | 2022-12-06

IKO Offers U.S. Availability of Mech Series Actuators

With AutomationWare’s Mech Series E-actuators, engineers can obtain accurate, controllable movement for almost any performance and size requirement. The series features an advanced ball screw transmission system to handle a wide range of dynamic loads and speeds with exceptional thrust performance. The units come with integrated brushless or high-speed stepper motors and an integrated feedback encoder.

TECHNICAL ARTICLES | 2022-12-02

Determination of the Longitudinal Load Distribution of Planetary Stages

The goal of increasing the power density of a gear unit demands that extraneous material reserves can be detected and reduced to the necessary level. In this context, it is important to know the influences acting on the gear unit and the resulting loads. FVA examines the precise knowledge of the longitudinal load distribution in the gear meshes during operation, and specification of suitable microgeometries for its optimization, play a decisive role.

POWER PLAY | 2022-12-02

Wind of Change

Wind-turbine drivetrains undergo severe transient loading during start-ups, shut-downs, emergency stops, and during grid connections. Load cases that result in torque reversals may be particularly damaging to bearings, as rollers may be skidding during the sudden relocation of the loaded zone. Seals and lubrication systems must work reliably over a wide temperature variation to prevent the ingress of dirt and moisture and perform effectively at all rotational speeds in the gearbox. Many wind-turbine gearboxes have also suffered from fundamental design issues such as ineffective interference fits that result in unintended motion and wear, ineffectiveness of internal lubrication paths and problems with sealing. Improving the resistance of future gearbox designs to all these issues is a key to the future cost of energy generated by wind turbines.

TECHNICAL ARTICLES | 2022-12-02

More Than Just Motor Size

When your equipment calls for a right angle gearbox, proper sizing makes a difference. A wide range of application factors must be considered, or you will face problems down the road. Possible problems can include increased maintenance, worn teeth and reduced mean time between failure (MTBF). Additionally, an oversized gearbox will cost more money than necessary. This article will provide an overview of how to apply application information to accurately size an Andantex Anglgear right angle gearbox for your installation.

INDUSTRY NEWS | 2022-11-28

Salim Reelected EUROTRANS President

EUROTRANS recently announced the reelection of Haffar Salim as president of their organization during the International Drive Conference that took place online November 17, 2022. 

PRODUCT NEWS | 2022-11-23

NORD Powers Georgia Feed Mill with Mechatronic Drive Solution

The processing and distribution of grain and feed for tens of millions of chickens requires efficient, dependable equipment and infrastructure. So, when Harrison Poultry President/CEO David Bleth and his team set out last year to design and build their new state-of-the-art feed mill in Crawfordville, GA, they knew exactly where to turn for simple, reliable mechatronic drive solutions for their conveyor systems, elevators, mixers, and screws.

PRODUCT NEWS | 2022-11-16

Bonfiglioli Expands Drive Technology for Robotics

Drive technology that meets the requirements for robots and AMRs is very popular. The Bonfiglioli Group, which operates worldwide, has a wealth of know-how, experience and comprehensive manufacturing options for customer and machine-specific solutions, serving the industry with competitive gearboxes and gearmotors.

PRODUCT NEWS | 2022-11-09

Force Control Dynamometers Feature Positorq Oil Shear Load Brakes

Force Control dynamometers featuring Positorq oil shear load brakes absorb extreme torque at very low speed, down to zero rpm. This allows them to accurately capture data at these critical junctures, when dynos equipped with traditional load brakes cannot.

PRODUCT NEWS | 2022-11-08

New Mini Planetary Gearmotors from Applied Motion Products

Applied Motion Products New PH Series Mini Planetary Gearmotors are used with small step motors in NEMA 8, 11, and 14 frame sizes.  The small design of the gearheads allows them to be paired with small motors and doesn't adversely affect the outside dimensions of the combined gearmotor.

PRODUCT NEWS | 2022-11-07

NORD Offers Reliable Drive Solutions for Demanding Bulk Material Handling Environments

Many applications in the bulk goods and material handling industry include abrasive environments with large temperature fluctuations and rough operating conditions. To meet these formidable challenges, NORD DRIVESYSTEMS has engineered solutions that are robust, reliable, and easy to service. Their modular product system includes heavy-duty industrial gear units, high-efficiency electric motors with hazard protection features, and variable frequency drives with flexible functionality.

INDUSTRY NEWS | 2022-10-28

Regal Rexnord to Acquire Altra Industrial Motion

Regal Rexnord Corporation has reached a definitive agreement with Altra Industrial Motion Corp. providing for Regal Rexnord to acquire 100% of Altra shares.

Altra is a global designer and manufacturer of a wide range of highly engineered motion control, automation, and power transmission solutions. The transaction expands Regal Rexnord's portfolio, customer reach, and product diversity while enabling the creation of shareholder value through enhanced growth and substantial cost synergies.

INDUSTRY NEWS | 2022-10-03

ZF Wind and R&D Test Systems Develop Test Bench for Powertrains and Gearboxes

In its largest order to date, Danish wind turbine test specialist R&D Test Systems will develop the 30 MW powertrain and gearbox test bench for ZF Wind Power’s future “Test & Prototype Center” at Lommel, Belgium. Capable of simulating the multiplicity of wind loads that a nacelle powertrain might experience in its lifetime, the test rig, to be delivered in 2024, will help improve product reliability and shorten time to market.

TECHNICAL ARTICLES | 2022-09-30

Reliable, User-Friendly Planetary Gear Unit Design

Stöber Antriebstechnik GmbH + Co. KG rely on the FVA-Workbench for dimensioning and verification of their drives. The calculation and simulation software allows Stöber engineers to develop their innovative gear unit solutions more quickly and efficiently. The result: higher quality products.

INDUSTRY NEWS | 2022-09-27

Forest City Gear Employees Attend IMTS 2022

Employees from Forest City Gear recently attended the 2022 International Manufacturing Technology Show (IMTS) at Chicago’s McCormick Place Convention Center. This year’s show attracted more than 86,000 registrants looking to experience the latest and greatest in manufacturing technology.  

PRODUCT NEWS | 2022-09-22

Bonfiglioli Introduces the Winch Drive Series 800

Bonfiglioli presents the new high performant 800 series which comes in five sizes from 25,000 to 160,000 Nm in marine-resistant paint, suitable for blast cleaning. Easy and fast assembly of the 800 series gearboxes into the winch drum is a key feature of their design. Maintenance requirements are made as simple as possible, e.g., with an easy access to the brake, ready-made brake replacement kits as well as easy access to oil filling, draining plugs, and oil level pipe/indicator. 

FEATURE ARTICLES | 2022-09-13

Hannover Messe USA 2022 Booth Previews

INDUSTRY NEWS | 2022-09-07

Atlanta Gear Works Signs Agreement with McClain Industrial Technologies, Inc.

Atlanta Gear Works has announced a new working agreement with Jim McClain, general manager of McClain Industrial Technologies, Inc., DBA MiTek, a manufacturers’ rep that will help the gearbox repair and manufacturing firm spread its 34-year reputation in pulp and paper to the steel and aluminum industries.

PRODUCT NEWS | 2022-08-29

Regal Rexnord AirMax Keeps Gearboxes Running Longer

Regal Rexnord Corporation has announced the launch of its new AirMax Pro Smart Breather, a connected device that protects industrial gearboxes from moisture and particles. 

INDUSTRY NEWS | 2022-08-17

NORD Updates Online Customer Portal and Spare Parts Shop

NORD is pleased to announce new features to the myNORD online customer portal, including additional motor connectivity options, configurable CLINCHER.1 parallel shaft gear units, and updates to the user interface to make the tool even easier to use

| 2022-08-09

Ball Bearing Limiting Speeds

Electrification has really brought ball bearings back into focus as the primary bearing in our drive systems. Some boxes have tapers on the slower shafts for stiffness and others are using a ball/cylindrical combo for efficiency. Regardless, we all face the same challenge on the primary shaft in dealing with the potential of 18,000–20,000+ rpm speeds coming out of the motor. Plenty of applications run 20,000 rpm; what makes the automotive motor unique is, in addition to speed, we are driving huge torques, frequent torque reversals and a huge range of temperatures both internally and geographically. Of course, this all needs to be suited for high-volume manufacturing as well. Adding full ceramic balls, a PEEK cage and a high precision classification is a really easy way to run greater than 20,000 rpm all day but is an expensive option. One bearing alone could hurt the cost competitiveness of your gearbox. In the case where a single bearing can change the landscape of your project, it is worth taking a little time to understand exactly what the drivers of our speed limitations are.

FEATURE ARTICLES | 2022-08-03

Helpline Operator

How do gearbox and gear drive providers navigate the interesting challenges found in steel, cement, paper, and construction applications? Apparently, one application at a time. Thanks to condition monitoring technology, IoT solutions and the flexibility of engineering teams today, plant downtime is not as problematic as it has been in the past. The secret to success in heavy industrial markets comes down to staying ahead of component failures.  

| 2022-08-03

Always Fit to Print

Print is not dead. While reading magazines cover-to-cover is a lost art—thanks to work responsibilities, 24-hour sports/entertainment coverage, and the universal time suck known as Instagram—someone, somewhere still prefers the printed word to the shiny, unfriendly artificial light of tablets and smartphones.  This publication (hopefully) provides information engineers can discuss, debate, or collaborate on for future manufacturing endeavors. There would be no words, no photographs, no advertising without the paper used to print this very magazine.

PRODUCT NEWS | 2022-07-25

Neugart Offers Economical Right-Angle Gearbox

Axially space-saving, economical, IP65-compliant and designed for high radial and axial forces at the output: The Neugart WPLHE combines all the advantages of the successful PLHE, as a right-angle variant.

PRODUCT NEWS | 2022-07-18

NORD Provides Complete Solution for Intralogistics and Airports

NORD’s LogiDrive complete drive solution reduces planning and commissioning efforts by offering an energy efficient, standardized, and service-friendly system that is Industry 4.0 Ready. Permanent Magnet Synchronous Motor (PMSM) technology enables the LogiDrive system to maintain high efficiency even in partial load ranges and low speeds – making the solution especially suited towards intralogistics, warehousing, and airport applications.

PRODUCT NEWS | 2022-07-15

A Look at SKF's Connection to KISSsoft

Recently, the Swedish rolling bearing manufacturer SKF and the Swiss gearbox design software developer KISSsoft have incorporated SKF’s bearing calculation service within KISSsoft's software. With the so-called SKF Bearing Module in KISSsoft, engineers will have direct access to SKF’s bearing technology and bearing performance data.

PRODUCT NEWS | 2022-07-07

Andantex Will Introduce a New Planetary Reducer Design Concept at IMTS

Andantex will unveil its latest generation of high-precision planetary reducers, built around its new EVO 1 (Evolution 1) technology, during IMTS 2022 at Booth #236016.

PRODUCT NEWS | 2022-06-17

NORD Offers Solutions for Food and Beverage Industry

NORD DRIVESYSTEMS offers drive solutions for food and beverage industry applications around the world. From processing to packaging systems, NORD supplies specialized solutions that are tailored to specific application needs. 

INDUSTRY NEWS | 2022-06-16

Sulzer Breaks Ground on Electromechanical Service Center in Texas

Sulzer has begun the expansion of its Orange, Texas Service Center, a project which will enhance its 24/7 electromechanical service capabilities and provide expanded capacity. 

PRODUCT NEWS | 2022-06-14

Bosch Rexroth Introduces Gearboxes for Electric Motors

As part of its new, extensive eLION platform for the electrification of mobile working machines, Bosch Rexroth has developed spur gearboxes which vehicle manufacturers can use to unlock the full potential of new electric motors. 

PRODUCT NEWS | 2022-05-24

Neugart Expands Drive Solutions

Neugart refines its range of coaxial planetary gearboxes: Effective immediately, the manufacturer also offers a gear ratio i=8 for its precision gearboxes with helical gearing. Thus, the gear ratio range now extends from i=3 to i=100.

INDUSTRY NEWS | 2022-05-24

JIE USA Inc. Introduces 3D CAD Configurator

JIE USA has released a 3D CAD gearbox and gearmotor configurator to help engineers choose motors and drives on-demand. The online tool enables engineers to identify the correct product for their design or application based on custom parameters and deliver the CAD model or PDF datasheet they need to do their job efficiently.

PRODUCT NEWS | 2022-05-16

NORD Presents Airport Technology at AAAE 2022

NORD DRIVESYSTEMS is bringing their future-ready drive solutions to the American Association of Airport Executives (AAAE) Conference and Exhibition June 5th – 8th in Seattle, Washington. NORD delivers drive solutions for every application in baggage handling systems and their innovative products are utilized throughout airports worldwide.

PRODUCT NEWS | 2022-05-13

Bonfiglioli Offers Drive Platform for AGVs and AMRs

A new modular solution for driving AGVs and AMRs from Bonfiglioli is called BlueRoll. The system consisting of a gearbox and driving wheel in the so-called basic version or with servomotors in the advanced or compact version is perfectly tailored to all customers’ needs.

REVOLUTIONS | 2022-05-06

The Extreme Ends of Turbine Condition Monitoring

One of ONYX’s customers and a leader in driving up the reliability and asset performance of the wind industry, Pattern Energy, uses ONYX turbine monitoring for over 1,100 wind turbines. Across this fleet ONYX connects several CMS hardware types to fleetMONITOR, a multi-brand solution for drivetrain monitoring. Two of the wind farms were retrofitted with ecoCMS in 2018, the technology with which ONYX disrupted the CMS industry.

REVOLUTIONS | 2022-04-25

Performance and Safety Top Priorities in Gear and Gear Drive Applications

The gear and gear drive segment of mechanical power transmission continues to focus on performance, reliability and safety. There are several new products offering increased load capacity, reduced friction and longer service life. For those components unable to keep up with industrial demands, there’s a gearbox MRO team waiting to handle emergency repair services.

REVOLUTIONS | 2022-04-18

LogiMat 2022 Offers Motion Control and Robotic Technologies

LogiMat, May 31 - June 2 in Stuttgart, Germany, provides attendees with a comprehensive review of all the main themes in the logistics sector, from procurement to production and deliveries.

PRODUCT NEWS | 2022-04-18

Warner Electric Develops Material Solution for Brakes

Warner Electric has developed custom brake friction material that provides consistent performance despite extreme temperature variance and the effects of moisture.

PRODUCT NEWS | 2022-04-13

SKF Chocks Allow for Easy Mounting and Improve Rotating Equipment Performance

SKF has developed a new range of adjustable chocks with higher load capacity and an increased adjustment range. The chocks can be used in many industries, including food and beverage, pulp and paper, rail, marine, offshore, agriculture and power generation. They are typically found in equipment such as gas, diesel and LNG engines, generators, compressors, electric motors and gearboxes.

INDUSTRY NEWS | 2022-03-28

RNWBL Purchases Gearbox Express

TKO Miller recently announced the sale of Gearbox Express, LLC to RNWBL, LLC (RNWBL).

INDUSTRY NEWS | 2021-10-21

Partnerships Strengthen Machine Design Automation

What are the secrets for a successful "mechanical/automation" partnership? With technology and gearing changing so rapidly, how can you be assured of an efficient and economical machine design? During this webinar DieQua will reveal how a strategic partnership, with trusted and knowledgeable suppliers, can alleviate some of the challenges in today's ever-changing mechanical/automation engineering landscape.

INDUSTRY NEWS | 2021-09-21

Train Your Eyes To Spot Gearbox Failure

Your gearbox is constantly communicating via sounds, temperatures, and other important cues. But can you tell the difference between signs of normal operations - and potential catastrophic failure? Learn how with Train Your Eyes to Spot Gearbox Failure, a webinar co-sponsored by PTE and Philadelphia Gear.

TECHNICAL ARTICLES | 2021-08-01

Design Reviews - What to Review and When

Try to gain as much advantage as possible when you do design reviews; they can result in greatly improved designs and can cut multiple iterations out of the process.
TECHNICAL ARTICLES | 2021-08-01

Low Noise and Transmission Error Epicyclic Gearbox Designs

Research has shown that the phasing of the planets in an epicyclic system can have a significant impact on the dynamic characteristics of the gearbox.
REVOLUTIONS | 2021-04-13

Hannover Messe 2021: Smart Manufacturing

Robotics, digital tools, automation and artificial intelligence will all play a significant role in the factory of the future. After two days of vi...
TECHNICAL ARTICLES | 2021-04-01

How Reliable is a Reliability Calculation?

Bearing subsystem life and reliability explained.
TECHNICAL ARTICLES | 2021-03-01

Analysis of the Operational Behavior of a High-Speed Planetary Gear Stage for Electric Heavy-Duty Trucks in Multi-Body Simulation

The presented method offers a possibility or the quantitative evaluation of the operational behavior of integrated transmission systems.
INDUSTRY NEWS | 2021-02-01

Industry News

The complete Industry News section from the February 2021 issue of Power Transmission Engineering.
FEATURE ARTICLES | 2021-02-01

How Predictive Maintenance Can Unlock Offshore Wind Growth

A practical guide to adopting digital technology in wind energy applications.
| 2020-11-24

Stainless Steel Powertrains Provide Peace of Mind

Hardly a day passes without a new FDA recall of some food product as the number of Americans falling ill from food contamination infections continu...
| 2020-08-12

I-MAK Examines Causes of Gearbox Failure

In a world of optimization and digitization where factories are trying to reduce costs and downtime, the demand for identification of basic gearbox...
TECHNICAL ARTICLES | 2020-08-01

Monitoring Concept Study for Aerospace Power Gearbox Drivetrain

Rolls-Royce is pioneering the UltraFan engine family architecture containing a planetary gearbox in a power range of 15 to 80 megawatts. To increase the efficiency of the UltraFan, a planetary gearbox is introduced between fan and intermediate pressure compressor. This enables running the turbine to rotate faster and allows a reduced fan speed.
GEAR TALK WITH CHUCK | 2020-07-24

Help Wanted

Northwest Pennsylvania’s Oil Region has a long history in manufacturing. Many of the widgets that made oil extraction and processing possible were ...
FEATURE ARTICLES | 2020-06-01

A Little Peace of Mind

Condition Monitoring Technology Evolves for Gear Drives, Gearmotors and Gearboxes. Here's a look at what some leading manufacturers are offering.
| 2020-04-29

The Latest in E-Mobility Technologies

This sidebar examines some of the latest E-Mobility products and technologies from companies like Schaeffler, Eaton and Dana. Check out the full ar...
FEATURE ARTICLES | 2020-04-01

Dynamic Performance

PTE Examines Gearmotor and Gear Drive Technology
FEATURE ARTICLES | 2020-03-19

Servo Reducer Solutions for Demanding, High Performance Applications.

Find out about the benefits of a high performance Servo Worm Gearbox, and get an understanding of what applications & industries are ideal for this gearbox. By watching this webinar you will be able to identify applications well-suited for a high performance servo worm reducer and understand the construction differences among each model of DieQua's servo worm gear reducer.

| 2020-01-29

From Walkarounds to Wireless Monitoring

Advances in condition monitoring technology means maintenance and operations teams can spend less time collecting data, and more time acting on it,...
| 2020-01-22

Romax Improves Reckon Drive Product Reliability with Software

The shift towards electric drivetrains has created unprecedented demand for new transmission architectures across numerous vehicle platforms at a t...
TECHNICAL ARTICLES | 2019-12-01

Reliability Safeguarding for an 8 MW Wind Energy Gearbox in Serial Production

Prototype and Process Development Ensuring Stable Quality at the Highest Level
ASK THE EXPERT | 2019-10-01

Bearing Materials and Coating Trends

What trends do you see in bearing materials and coatings that will benefit the power transmission industry?
TECHNICAL ARTICLES | 2019-10-01

General Modeling Method of Power Losses in Transmission with Parameter Identification

In this paper, the models for different power loss sources in transmissions from literature are applied and compared, which form the two methods - ISO 14179-2 and the joint model to estimate the power losses in a transmission. A 2-speed transmission in an electric vehicle is used as a case study to compare the two methods and validate them with experimental data.
FEATURE ARTICLES | 2019-09-01

NORD Gear Offers Drive Solutions for Intelligent Brewing

Worm, bevel, and parallel shaft gear units were installed at two breweries to provide the necessary process control.
TECHNICAL ARTICLES | 2019-09-01

Gearbox Development for the Food and Beverage Processing Industry

How one gearbox manufacturer took an existing design and transformed it to meet the needs of this demanding environment.
TECHNICAL ARTICLES | 2019-09-01

A Model for Predicting Churning Losses in Planetary Gears

In the general context of the reduction of energy consumption and polluting emissions, gearbox efficiency has become a major issue.
TECHNICAL ARTICLES | 2019-08-22

Gearboxes - Customized Solutions for Demanding Real-World Applications

Because gearboxes are used in practically every industry, engineers often have to come up with creative solutions to a wide variety of unusual challenges. Perhaps you are facing problems with lifespan, environment or safety in your own applications. Diequa president Meikel Quaas will share multiple examples and case studies of gearbox inventions his company has built for customers from around the world.

| 2019-08-08

The 6 Latest Trends in Direct Drive Motor Technology

Despite the maturity of the machine tool industry, allowing for many advancements in engineering design over the span of decades, a machine is stil...
TECHNICAL ARTICLES | 2019-08-01

CFD Simulation of Geared Transmissions with Injection Lubrication

In this study, a finite volume CFD simulation model of a single-stage injection-lubricated test gearbox was applied to investigate its oil flow and no-load power loss. The results provide physically plausible information on the oil supply and its distribution.
| 2019-06-18

Getting Your Hands on Smart Tools

Forget the IIoT and Industry 4.o buzzwords. We're not interested in 10 to 15 years down the road or what the factory of the future is going to look...
TECHNICAL ARTICLES | 2019-06-01

Documentation of Gearbox Reliability - An Upcoming Demand

The proof of the reliability of a gear drive is now an additional requirement. In Europe, the acceptance authorities for wind turbines are requesting a system reliability proof from gearbox manufacturers. The AGMA committee reviewing the AGMA 6006 standard for wind turbines is considering adding a chapter about design for reliability. However, reliability considerations are not new; NASA, for example, was in the 1980s using reliability concepts for gear drives.
| 2019-05-07

Wittenstein Smart Gearboxes

Shaping the Future of Manufacturing

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| 2019-03-26

Hannover Messe 2.0

(Main image courtesy of Deutsche Messe, 2018) Hannover Messe 2019 will focus on the integration, digitization and interconnection of industrial ...
| 2019-03-13

Faulhaber Assists with Deep-Sea Microbe Research

What influence does hell have on heaven? This is not an issue of theology: marine sc...
FEATURE ARTICLES | 2018-12-01

The ABCs of Linear Motion Rolling Guides

Improving System Performance One Application at a Time. PTE recently caught up with IKO, Rollon and THK to breakdown the basics in linear motion rolling guides.
TECHNICAL ARTICLES | 2018-12-01

Thermal Analysis and Optimization of Gearboxes by Simulation

With the increasing mechanical power capacity of gearboxes, the thermal power limit tends to become the limiting factor. To achieve a balanced system, the gear unit needs extra cooling. Using a fan that is mounted to a fast rotating shaft is a common solution. For this solution an optimal design is investigated.
| 2018-10-03

Cooling Tower Components: Pros and Cons

Written by: Jerome Jennings, global product manager, SPX Cooling Technologies, Inc. Cooling towers can use several power transmission technologi...
FEATURE ARTICLES | 2018-10-01

The Future of E-Mobility

Schaeffler Touts System Solutions and Electrification Advancements at Detroit Symposium
EVENTS | 2018-10-01

Calendar

The complete technical Calendar from the October 2018 issue of Power Transmission Engineering.
FEATURE ARTICLES | 2018-09-01

Stable and Streamlined

Gear drives focus on longevity, quality and customization.
FEATURE ARTICLES | 2018-09-01

Gearbox Innovation Evolves in Step with Expanding Servo Market

Approximately one quarter of all servo motors around the world require some type of gear reduction in their applications. From large satellite dishes to precision medical devices, gearboxes boost torque and reduce speed for servos in order for them to be sized more efficiently. While gearbox fundamentals haven't changed much over the past 20 years, their effectiveness has improved significantly, driven mostly by the need to accommodate advancements in servo technology.
| 2018-08-13

Harnessing Reliable Wind Energy with Gearing Solutions

As the wind comes sweeping down the plains of America these days, it passes through fields of wind turbines. As the energy market turns towards ren...
FEATURE ARTICLES | 2018-08-01

The Clean Cut

JBT Corporation benefits from Kollmorgen Hygienic motor design in food and beverage application.
TECHNICAL ARTICLES | 2018-08-01

Electrical Stress and Parasitic Currents in Machine Elements of Drivetrains with Voltage Source Inverters

Modern drivetrains with voltage-source inverters not only offer advantages like, for example, variable speed operation, increased efficiency and higher dynamics, but also an increase in failures caused by induced parasitic currents.
TECHNICAL ARTICLES | 2018-08-01

Holistic Simulation of Gearboxes - System Simulation

Gearboxes are important assemblies within mechatronic systems. During the design phase of such systems it is essential to know the gearbox behavior under consideration of dynamic interactions with its environment. Holistic system simulation helps the engineer to understand this and to improve, adjust, or optimize gearboxes and their application.
| 2018-07-16

Evolution of Cooling Tower Gearboxes

Written by: Jerome Jennings, global product manager, SPX Cooling Technologies, Inc. Industries that require process heat rejection often use fie...
FEATURE ARTICLES | 2018-04-01

Making the Smart Choice in PT Components

The Latest Clutch & Brake Technology Looks at Reliability, Cost and Design Specifications.
| 2018-02-02

Framo Morat and Dunkermotoren Produce Drive Systems for AGVs

Driverless transport systems have proven to be extremel...
| 2018-02-01

Nord Drivesystems Optimizes Baggage Handling System

One baggage handling system OEM came to greatly appr...
FEATURE ARTICLES | 2018-02-01

Efficiency of Design

Energy efficiency is for more than just motors. Here are some mechatronics companies making sure you get more bang for your buck when it comes to your power bill.
TECHNICAL ARTICLES | 2017-12-01

Baldor Motor Basics - Part 9

Amps, Watts, Power Factor and Efficiency; Approximate Load Data from Amperage Readings; Power Factor Correction on Single-Induction Motors.
| 2017-11-28

A Look at Belt, Chain and Gear Drive Technology

By Jack Warner The need for producing more energy increases with our rising need for commercial, industrial, and residential space. In North Ame...
| 2017-11-14

Freudenberg Examines Sealing Requirements for Heavy-Duty Equipment

The seals and the hydraulic systems of any piece of mining, construction, agricultural or other heavy industry equipment like
| 2017-09-05

Buying Gear Drives? Try Gear Expo

Gear Expo is right around the corner, and that means that pretty soon all things gearing will be squarely in the spotlight. Custom gear manufacturi...
| 2017-08-04

Engineering the New York Wheel

Dana Incorporated recently announced that it is providing driveshaft assemblies and gearboxes for the New York Wheel – which will be the world's ta...
| 2017-07-06

Cost Rules

The motor business is seeing some new technology, and it’s all about getting more bang for your buck. “In America, cost still rules.” ...
TECHNICAL ARTICLES | 2017-06-01

Determination of Load Distributions on Double Helical-Geared Planetary Gearboxes

Standardized calculation methods such as ISO 6336 and DIN 3990 already exist to determine the load distributions on gears inside a planetary gearbox, but by their very universal nature, these methods offer varying results depending on the gearbox design. Double helical gears, in particular, can benefit from more specific, complex algorithms to reach a maximum level of efficiency. Double helical gears interact with the rest of the gearbox differently than helical or spur gears, and thus benefit from different analytical models outside the standardized methods. The present research project describes the algorithm to determine the load distribution of planetary gearboxes with double helical gears.
| 2017-05-09

Hannover Messe: A New Perspective in Manufacturing

The rumors are absolutely true. The factory floor is changing at an incredible pace and the digitalization of manufacturing systems (Big data, Indu...
FEATURE ARTICLES | 2017-04-01

Meet Norm Parker - Bearings Blogger

In case you missed them, following are three recent blog postings by our popular PTE bearings blogger - Norm Parker. We also felt that, should you not be a blog follower, this would be a good way to introduce you to Norm's bearings wisdom. Parker is currently the global senior specialist/roller bearings at Fiat Chrysler Automobiles (FCA).
PRODUCT NEWS | 2017-02-01

Product News

The complete Product News section from the February 2017 issue of Power Transmission Engineering.
| 2017-01-17

The Latest in Gearmotors

Nord Clincher Gear Units Maintain Equipment in Severe Applications
| 2016-10-10

Klüber Lubrication Offers Specialty Lubricants for Open Drives and Gears Keeping Mineral Processing Plants Up and Running

Authors:  Daniel A. Narnhammer, Head of Global Competence Center Mining at Klüber Lubrication NA LP Justin Koozer, Cement and...
TECHNICAL ARTICLES | 2016-09-01

An Open-And-Shut Case: Greases for Gear Applications

For the lubrication of open gear drives used in different industrial applications such as cement and coal mills, rotary furnaces, or where the sealing conditions are difficult, semi-fluid greases are often used in preference to fluid oils. For girth gear applications the greases are used with a splash or spray lubrication system. The selection of such greases influences pitting lifetime and the load-carrying capacity of the gears, as well as wear behavior
FEATURE ARTICLES | 2016-08-01

IMTS 2016 Booth Preview

A nose-in-the-tent peek at the booths featuring mechanical motion components.
TECHNICAL ARTICLES | 2016-08-01

FZG Gearboxes Lubricated with Different Formulations of Polyalphaolefin Wind Turbine Gear Oils

In order to analyze the different gear oils suitable for the lubrication of wind turbine gearboxes, five fully formulated ISO VG 320 gear oils were selected. In between the selected gear oils, four PAO base oils can be found: PAOR, PAOM, PAOC and PAOX. A mineral-based oil (MINR) was also included as reference.
INDUSTRY NEWS | 2016-04-11

Martin Sprocket & Gear Compiles Gear Drive Troubleshooting Tips

Martin Sprocket & Gear, Inc. has compiled some quick troubleshooting tips with some common causes and solutions for gear drive probl...
TECHNICAL ARTICLES | 2016-03-01

Gear Design Effects on Performance of High-Speed Helical Geartrains as Used in Aerospace Drive Systems

The performance of high-speed helical geartrains is of particular importance for tiltrotor aircraft drive systems. These drive systems are used to provide speed reduction/torque multiplication from the gas turbine output shaft and provide the necessary offset between these parallel shafts in the aircraft. Four different design configurations have been tested in the NASA Glenn Research Center, High-Speed Helical Geartrain Test Facility. The design configurations included the current aircraft design, current design with isotropic superfinished gear surfaces, double-helical design (inward and outward pumping), increased pitch (finer teeth), and an increased helix angle. All designs were tested at multiple input shaft speeds (up to 15,000 rpm) and applied power (up to 5,000 hp). Also two lubrication, system-related, variables were tested: oil inlet temperature (160–250° F) and lubricating jet pressure (60–80 psig). Experimental data recorded from these tests included power loss of the helical system under study, the temperature increase of the lubricant from inlet to outlet of the drive system and fling-off temperatures (radially and axially). Also, all gear systems were tested with and without shrouds around the gears.
FEATURE ARTICLES | 2016-02-01

Two-stage Helical Bevel Gearing

Gearing is an essential component in conveyors. The material handling industry appears divided between those who favor high-end three-stage helical bevel gearboxes and those who rely on less expensive worm gearing. But there’s an often over-looked alternative, the two-stage helical bevel gearbox.
TECHNICAL ARTICLES | 2015-12-01

Effect of Assembly Errors in Back-to-Back Gear Efficiency Testing

As gear efficiency is improved in small steps, it is important to be able to distinguish actual improvements from scatter that can occur while testing. An FZG back-to-back gear test rig was used to investigate how the assembly and re-assembly of the same test setup affects the measurements. A spread in torque loss between one assembly and another of the same test setup were observed. Rig conditions also affected the spread in input torque. With knowledge of how the spread in torque loss varies due to assembly, test results could be distinguished between changes due to assembly and actual differences between tests.
TECHNICAL ARTICLES | 2015-10-01

Space Shuttle Rudder-Speed Brake Actuator

The U.S. Space Shuttle fleet was originally intended to have a life of 100 flights for each vehicle, lasting over a 10-year period, with minimal scheduled maintenance or inspection. The first space shuttle flight was that of the Space Shuttle Columbia (OV-102), launched April 12, 1981. The disaster that destroyed Columbia occurred on its 28th flight, February 1, 2003, nearly 22 years after its first launch.
EVENTS | 2015-08-01

Calendar

Calendar of upcoming events
TECHNICAL ARTICLES | 2015-08-01

A New Geometrically Adaptive Approach for Tooth Contact Analysis of Gear Drives

Tooth contact analysis (TCA) is an important tool directed to the determination of contact patterns, contact paths, and transmission errors in gear drives. In this work, a new general approach that is applicable to any kind of gear geometry is proposed.
FEATURE ARTICLES | 2015-08-01

Belts Vs. Couplings

rotary-type blowers? Examples: for motor KW; RPM; temperature; pressure production; lifetime; etc. In other words, how do I choose between belts or couplings?
TECHNICAL ARTICLES | 2015-06-01

Theoretical and Experimental Study of the Frictional Losses of Radial Shaft Seals for Industrial Gearbox

The improvement of the energy efficiency of industrial gear motors and gearboxes is a common problem for many gear unit manufacturers and end-users. As is typical of other mechanical components, the radial lip seals used in such units generate friction and heat, thus contributing to energy losses of mechanical systems. There exist today simulation tools that are already helping improve the efficiency of mechanical systems — but accurate models for seal frictional losses need to be developed. In this paper SKF presents an engineering model for radial lip seal friction based on a physical approach.
TECHNICAL ARTICLES | 2015-04-01

How to Get the Most Realistic Efficiency Calculation for Gearboxes

In recent years the estimation of gearbox power loss is attracting more interest — especially in the wind turbine and automotive gearbox industry — but also in industrial gearboxes where heat dissipation is a consideration as well. As new transmissions concepts are being researched to meet both ecological and commercial demands, a quick and reliable estimation of overall efficiency becomes inevitable in designing the optimal gearbox.
TECHNICAL ARTICLES | 2015-03-01

The Modified Life Rating of Rolling Bearings: A Criterion for Gearbox Design and Reliability Optimization

Engineers typically learn that the bearing L10 life can be estimated using the so called “C/P method” — or the “basic rating life” of the bearing, a method rooted in the 1940s. Major developments have since led to the “modified rating life,” released in ISO 281:2007, which includes the aiso life modification factor. In this paper a succession of equations used for bearing life ratings are reviewed, and current bearing life rating practices are discussed in detail. It is shown that — despite the introduction more than 30 years ago of the adjustment factor of the basic rating life, and the standardization in 2007 of the aiso modification factor — use of these improved calculation methods are not practiced by all engineers. Indeed — many continue referring to the old model as a way of seeking compliance with existing, established practices.
TECHNICAL ARTICLES | 2014-10-01

Premature Bearing Failures in Wind Gearboxes and White Etching Cracks

Wind turbine gearboxes are subjected to a wide variety of operating conditions, some of which may push the bearings beyond their limits. Damage may be done to the bearings, resulting in a specific premature failure mode known as white etching cracks (WEC), sometimes called brittle, short-life, early, abnormal or white structured flaking (WSF). Measures to make the bearings more robust in these operating conditions are discussed in this article.
ASK THE EXPERT | 2014-09-01

TLC Still Needed for New Axles

A reader asks: I have heard that new axles no longer need a break-in period. True or false?
TECHNICAL ARTICLES | 2014-09-01

Wind Turbine Field and Test Rig Testing as Part of the Design Process for Gearboxes

The growth of worldwide energy consumption and emerging industrial markets demands an increase of renewable energy shares. The price pressure coming from coal, oil, nuclear and natural gas energy - combined with enormous worldwide production capacities for components of wind turbines - make wind energy a highly competitive market. The testing and validation of gearboxes within the test rig and the turbine environment attract a strong focus to the needs of the industry. The following contribution sums up the typical process requirements and provides examples for successful system and component verifications based on field measurements.
FEATURE ARTICLES | 2014-08-01

Industrial Automation North America and MDA NA at IMTS 2014

It's not a show title that rolls off the tongue, but the Industrial Automation North America and MDA NA @IMTS 2014 show nevertheless may well be one to remember.
FEATURE ARTICLES | 2014-04-01

Lower Service Life Plus Less Waste Equals Lower Cost

Bearings that show wear may not always need to be replaced. Depending on the degree and type of wear, they may be candidates for reconditioning, a process that restores bearings to like-new specifications and performance - at an average 50 to 60 percent of the cost of replacement.
TECHNICAL ARTICLES | 2014-04-01

Gear Lubrication: Long-Term Protection for Wind Turbines

The chemical and physical properties of gear oils may change, depending - more or less - upon their formulation and the environmental conditions under which they are used. This is why - after three years of use in a wind turbine - a gear oil was examined to determine if indeed changes were evident and if the protection of the gears and rolling bearings still met the same requirements as would be expected of fresh oil. Our findings revealed that the existing gear oil - as well as its ability to protect the gears and rolling bearings - had degraded very little compared to fresh oil.
TECHNICAL ARTICLES | 2014-03-01

Investigations of Bearing Failures Associated with White Etching Areas (WEAs) in Wind Turbine Gearboxes

A critical problem for wind turbine gearboxes is failure of rolling element bearings where axial cracks form on the inner rings. This article presents field experience from operating wind turbines that compares the performance of through-hardened and carburized materials. It reveals that through-hardened bearings develop WEA/WECs and fail with axial cracks, whereas carburized bearings do not. The field experience further shows that a carburized bearing with a core having low carbon content, high nickel content, greater compressive residual stresses, and a higher amount of retained austenite provides higher fracture resistance and makes carburized bearings more durable than through-hardened bearings in the wind turbine environment.
TECHNICAL ARTICLES | 2014-03-01

Best Practices for Gearbox Assembly and Disassembly

In most applications, gearbox reliability is critical to the productivity of the overall plant operation. So it follows that when industry is looking at the best ways to increase efficiency, reduce downtime, and increase profitability, gearbox performance and reliability are key factors. Designing for repair, and writing effective repair procedures, can speed the service time, and provide a quality refurbishment. The best practices listed in this article are proven, effective methods used to install and remove bearings, seals, gears, couplings and shafts within a gearbox.
EVENTS | 2014-02-01

Calendar

The complete technical Calendar from the February 2014 issue of Power Transmission Engineering.
FEATURE ARTICLES | 2013-10-01

Musical Gearboxes

Dave Soma, the mechanical supervisor at Leland Olds Station, a coal-fired power plant near Stanton, North Dakota, says he and his maintenance team care deeply about keeping the plant running and providing people electricity, especially in the dead of winter.
POWER PLAY | 2013-08-01

Seabees

For the Seabees, hazardous construction zones have always been part of the job.
FEATURE ARTICLES | 2013-04-01

Up in the Air - Aerospace Gears

Volatile aerospace market keeps gear manufacturers guessing.
TECHNICAL ARTICLES | 2013-04-01

Trends in Industrial Gear Oils

With today's smaller, hotter - and overloaded - machinery, specifying the correct lubricant is vital.
FEATURE ARTICLES | 2013-02-01

Gears and Gear Drives Product Focus

Our product focus includes the latest technology in gears and gear drives from the leading manufacturers.
TECHNICAL ARTICLES | 2013-02-01

Rolling Bearing Steels - A Technical and Historical Perspective - Part 1

This paper summarizes the chemical, metallurgical and physical aspects of bearing steels and their effect on rolling bearing life and reliability.
TECHNICAL ARTICLES | 2012-04-01

Gearbox Bearing Service Life: A Matter of Mastering Many Design Parameters

The availability of high-strength shaft materials, in combination with bearings with high carrying capacity, allows use of slimmer shafts. However, the modulus of elasticity remains the same, so seat design for bearings and gears must be given close attention.
EVENTS | 2011-10-01

Calendar

The complete Technical Calendar from the October 2011 issue of Power Transmission Engineering.
TECHNICAL ARTICLES | 2011-08-01

Gear Drive Selection Process for the Parcel Handling Industry

This article is designed to help describe the selection process of a reducer to be used in the parcel handling industry. It will go over the different applications for which gearboxes are used throughout parcel handling facilities such as UPS, FedEx and DHL.
PRODUCT NEWS | 2011-04-20

Gear Drive Suitable for Printing, Packaging and Textile Machinery

A new series of hollow-shaft right angle helical gear drives from Sterling Instrument, an ISO 9001:2000+AS9100B registered manufacturer, ...
EVENTS | 2010-12-01

AWEA to Wind Supporters--Do Not Panic

Despite posting its slowest quarter since early 2007, AWEA remains optimistic that the wind industry can and will work successfully with the revolving doors in Washington.
TECHNICAL ARTICLES | 2009-10-01

Improving Equipment Uptime - Composite Seals Meet the Challenge

In an industrial application, equipment uptime is vital for on-time performance and profitability. The rotating members of industrial machines are subject to the highest degree of wear and are more susceptible to failure than non-moving parts. Bearing surfaces are the most critical and often the most expensive portion of the rotary assembly; it is imperative to protect these components. The primary protector of these components is the industrial seal.
TECHNICAL ARTICLES | 2009-02-01

How Green is Your Gearbox

Rising energy costs and concerns about global warming are at the forefront of today’s news. Turn to local or national TV programming, browse the internet or read the paper and one can find numerous stories about the seemingly irreversible energy costs and the subsequent impact that these costs have on simply doing business. As a result, we as individuals are becoming increasingly aware of the cost of energy and we are being introduced to a variety of methods and/or products that will minimize the impact of these costs.
TECHNICAL ARTICLES | 2008-12-01

High-Capacity Bearings Carry the Load for Chinese Gearbox Manufacturer

Th e signing of a contract for more than 5,000 sets of SKF’s latest high-capacity cylindrical roller bearings (HCCRB) for wind turbines will impart added load-carrying capacity, more reliability and longer life to the Nanjing Gear Company’s (NGC) line of gearboxes for wind generation applications.
FEATURE ARTICLES | 2008-02-01

Improved Fuel and Energy Efficiency Through Optimized Bearing Design and Selection

Today, better fuel economy is a main objective in the automotive development process. It remains top-of-mind with the auto industry and consumers because of costs and environmental impacts. Because the industry’s average fuel-economy standard is required to increase by 40 percent by 2020, manufacturers and engineers are working to develop fuel-efficient, environmentally friendly and reliable designs for vehicles.
REVOLUTIONS | 1970-01-01

Industrial Gearbox Market Trends

Learn about the effect Covid-19 had on the industrial gearbox market and how the industry is predicted to recover.

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