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Motor Design

FEATURE ARTICLES | 2025-03-01

Aerospace Motor Market Trends

The trade show circuit has offered a wealth of e-mobility and motor technologies recently. From IMTS and Pack Expo to MINExpo and CES 2025, there are plenty of disruptors in the motor segment for power transmission components. One area—in particular—is the aerospace industry where vertical takeoff and landing (VTOL) rotorcrafts continue to redefine aerial transport, variable frequency drives (VFDs) support aircraft performance, stepper motors provide passenger comfort and software enables engineers to optimize electric motor design.

FEATURE ARTICLES | 2025-03-01

Electric Motor Trends

It’s an exciting time in the electric motor industry. In the past two years more truly innovative new technology development has occurred than in the previous two decades. We can thank the e-mobility movement for that. It’s not just cars, trucks, bikes and buses, but just about everything else that moves on wheels as well as on water and in the sky.

FEATURE ARTICLES | 2025-02-27

Brushed vs. Brushless DC Motors

Which motor type is right for your application? This whitepaper from Dunkermotoren presents an in-depth comparison of brushed and brushless motor technologies, exploring their construction, operation, efficiency, performance characteristics, and real-world applications. By analyzing key parameters such as power efficiency, maintenance requirements, and cost-effectiveness, engineers and designers can make informed decisions when selecting the appropriate motor technology for their specific needs.

PRODUCT NEWS | 2024-12-13

Beckhoff Automation Add Stepper Motor Series to Compact Drive Technology Portfolio

The ASI8100 stepper motor with built-in drive from Beckhoff adds another space-saving tool to the company’s broad range of compact drive technology products (up to 48 V DC). The ASI8100 series combines a stepper motor, stepper motor output stage, and fieldbus connection in a fully integrated design. These EtherCAT devices mount directly on the machine without a control cabinet or upstream I/O, allowing for highly compact, control cabinet-free machines.

PRODUCT NEWS | 2024-12-09

Maxon Unveils High Efficiency Joint Drive

Maxon proudly announces the launch of the High Efficiency Joint (HEJ) Drive 70-48-50, the newest addition to its High Efficiency Robotic Joints portfolio. This advanced actuator sets new standards in torque density and efficiency, catering specifically to autonomous mobile robots operating in unstructured environments such as humanoids, quadrupeds, exoskeletons, or mobile manipulators.

PRODUCT NEWS | 2024-12-05

AutomationDirect Adds Additional Nidec ACCU-Torq Motors

AutomationDirect has added more ACCU-Torq motors from Nidec U.S. Motors. The ACCU-Torq motors are high-performance inverter duty motors and are an excellent cost-effective solution for applications that require 100 percent torque down to zero speed. They are available in 230/460 VAC and are now offered in sizes up to 20 hp at 1,800 rpm and from ¼ to 10 hp at 1,200 rpm.

INDUSTRY NEWS | 2024-12-04

ABB Completes Acquisition of Aurora Motors

ABB has completed the acquisition of Aurora Motors. The transaction was originally announced on November 4, 2024, and financial terms were not disclosed. Aurora Motors is a $4 million U.S. vertical pump motors provider, with engineering and operations in Shanghai, China, and a corporate office and distribution center in Hayward, California. 

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| 2024-12-02

Trelleborg Shares Insights on Sealing Needs for Electric Motors

From electric motors and linear actuators to robots and gearboxes, the range of equipment and machinery used to create automation in industrial applications is diverse. Each has its own set of sealing requirements and understanding these critical components requires many years of experience. In this article David Kaley, Trelleborg’s global segment manager for industrial automation, shares his insights on sealing needs for electric motors. Standard, elastomer-based radial shaft seals as well as high-performing PTFE-based seals are discussed.

PRODUCT NEWS | 2024-11-13

WEG Supplies Motors for Underground Treatment Water Pumping Station

WEG supplied medium voltage synchronous motors to CEDAE at the Lameirão Pumping Station in Rio de Janeiro, Brazil. These motors will play a crucial role by pumping water to a significant part of the city, ensuring reliability and continuity for the state’s population.

PRODUCT NEWS | 2024-11-07

Portescap Offer Motors for Humanoid Development

Humanoid robots, designed to operate in close interaction with humans, rely heavily on smooth and controlled joint and limb motion. This makes the selection of the motors that power the axes of motion critical. Alongside high torque density and responsiveness, efficiency to enable long battery life is key, and reliability is also important. Achieving freedom of movement requires integrating numerous axes of motion, which is best accomplished by working closely with an expert in this field.

TECHNICAL ARTICLES | 2024-10-02

Control System Techniques—Dampers (Part 1)

Closed Loop control systems can handle a wide range of motions with a wide range of loads if the control system and mechanics are properly designed for the task. A couple of the more difficult combinations to design for are high inertial mismatches and backlash with hard gearing. The question is not just how to make the system stable, but rather how to also get the desired performance.

INDUSTRY NEWS | 2024-10-02

ABB Opens Doors to the Public for Manufacturing Day

ABB is opening its NEMA Motors Division world headquarters in Fort Smith, Arkansas, to the local community on Thursday, October 3, in celebration of Manufacturing Day (MFG Day), officially observed on Friday, October 4. This open house event is intended to educate and inspire students, parents, educators and community leaders about the future of manufacturing careers. ABB plans to engage with attendees through facility tours, demonstrating the industry’s critical role in driving innovation and highlighting diverse, sustainable career paths.

PRODUCT NEWS | 2024-09-03

Parvalux by Maxon Offers Rapid Prototyping Capabilities for Motors

The latest innovation by Parvalux is their ability to provide prototype motors at a rapid pace. The company has designed and manufactured a series of modular components that are easily mixed and matched so that users get a paired system from one manufacturer rather than piecing together components such as motors, gearheads, brakes, and encoders from various manufacturers. The ability to create a near optimal motor drive for your application just became faster and easier. In a three-step selection process, designers can purchase a motor that is built to order using the company’s online configurator. 

PRODUCT NEWS | 2024-08-26

AutomationDirect Offers M.G.M. Electric IEC Motors and Brake Motors

M.G.M. Electric IEC standard motors and brake motors are manufactured using state-of-the-art, high-quality processes and are rated for general-purpose and inverter duty. IEC motors provide the same power output as NEMA motors but have a smaller footprint and feature a lightweight aluminum construction. 

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REVOLUTIONS | 2024-08-23

Engineering Legacy: Maxon (1961)

Our next legacy entry is maxon, a global leading provider of electric drive systems. The company provides single-source DC and BLDC motors, gearheads, sensors, control electronics, mechatronic drive systems and more-from individual prototypes to large-scale production. The history of maxon begins with Interelectric AG in Frankfurt.

INDUSTRY NEWS | 2024-08-21

EASA Presents Exceptional Achievement Service Award

The Electrical Apparatus Service Association (EASA) honored John S. Allen, managing director, Sheppard Engineering Limited, with the 2024 EASA Exceptional Achievement Service Award.

PRODUCT NEWS | 2024-08-21

Portescap Brushless DC Motors Optimize Ventilator Performance

Ventilators provide critical airflow to patients whose natural breathing is insufficient to sustain life. They are also utilized as a preventative measure to counteract the imminent failure of other bodily functions or ineffective gas exchange in the lungs. The widespread use of mechanical ventilation has significantly enhanced the survival rates of patients undergoing surgeries, experiencing lung issues due to accidents, or suffering from acute and chronic pulmonary ailments. A critical aspect of the effective functioning of ventilators is the micro motion system, which powers the ventilation system. This article will focus on the use and benefits of brushless DC micro motors in ventilators.

PRODUCT NEWS | 2024-08-15

Yaskawa Expands Variable Speed Drive Line

Since its introduction in 2019, Yaskawa’s GA800 variable speed drive has proven itself as the ultimate combination of power, ease of use, flexibility, and performance. 

PRODUCT NEWS | 2024-08-14

ABB Expands Baldor-Reliance SP4 Technology in Severe Duty Enclosures

The development of the new cast-iron totally enclosed fan cooled (TEFC) severe duty motor marks the second phase of ABB’s SP4 technology launch. This model is uniquely designed for applications in hazardous environments with certifications for Division 2 and Class I Groups A, B, C, D, as well as Class II Groups F, and G, making it suitable for areas with explosive gases and combustible dust. The model also features an IP55 rating, ensuring protection against dust and water spray, making it reliable for harsh and dirty conditions. ABB previously introduced two different models with SP4 technology: rolled steel open drip proof and totally enclosed fan cooled motors.

INDUSTRY NEWS | 2024-08-09

ABB Develops NEMA Energy Savings Calculator

Forty-five percent of the world’s electricity is used to power electric motors in buildings and industrial applications. By 2030, this cost is projected to reach $900 billion annually. Lowering CO₂ emissions and increasing energy efficiency is critical for our planet, but also for ensuring stable and productive industry operations, lowering operating costs and total costs of ownership. To help motor operators better understand the financial and environmental benefits of upgrading current and end-of-life industrial electric motors, ABB has developed its NEMA motors Energy Savings Calculator.

INDUSTRY NEWS | 2024-07-29

ABB Baldor-Reliance EC Titanium Motors Earn ENERGY STAR Emerging Technology Award

The ABB Baldor-Reliance EC Titanium motor has been recognized with the U.S. Environmental Protection Agency’s 2024 ENERGY STAR Emerging Technology Award. This annual award recognizes products that meet stringent performance criteria in specific categories. By highlighting innovative solutions with the potential to significantly reduce greenhouse gas emissions, the award promotes promising technologies that may not yet fully align with the ENERGY STAR certification requirements or may be relatively more complex to properly install and operate.

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 | 2024-07-09

Nidec/U.S. Motors Announces Two Senior Staff Promotions

Nidec’s U.S. Motors division recently promoted two long-time staffers to senior roles. Cory Kniepp is now director, strategic planning and marketing operations, and Patrick Hogg is senior marketing director, industrial OEMs and distribution. The U.S. Motors brand offers electric motors featuring advanced technology, from variable speed electronically commutated motors to NEMA Premium efficient motors. 

PRODUCT NEWS | 2024-06-21

ABB Offers Motor Solutions at 2024 EASA Convention

Visit ABB at the 2024 EASA Convention from June 23-27, at Caesars Forum and Harrah's Las Vegas, Nevada, U.S. Media is invited to meet with ABB experts to learn about selecting innovative motor solutions essential for various applications and processes and discover new products, services, and digital solutions. ABB will unveil the ABB RXT series at 2:45 p.m. on Monday, June 24, at the ABB Booth 509, along with the new ABB NEMA Motors DP200 Crush+ and Baldor-Reliance FoodSafe SP5+.

PRODUCT NEWS | 2024-06-18

Bodine Electric Company Introduces New Brushless DC Hypoid Gearmotors

Bodine Electric Company introduces 12 new brushless DC hollow shaft gearmotors with hypoid gearing. These type 42B-25H2 and 42B-30H3 geared motors combine a new brushless DC, 130 VDC motor with two hypoid gearheads. 

PRODUCT NEWS | 2024-05-20

Faulhaber Micromotors Optimizes Small Parts Assembly

A "compact automation" is a mechatronic system that performs a whole series of consecutive production steps autonomously. "Compact" refers to the small dimensions, in the millimeter and centimeter range, of the products to be processed. Designing and constructing such systems is one of the core activities of the Austrian machine manufacturer STIWA. Its modular system LTM-CI has been optimized for small parts assembly. Linear and rotating micromotors from Faulhaber perform key tasks in these systems.

PRODUCT NEWS | 2024-04-22

Akribis Systems Announces Compact Rod Motors

Akribis Systems is pleased to announce a new addition to its varied motion control product line: RDM-A Series rod motors for space-constrained applications requiring high motor forces and smooth linear motion. 

PRODUCT NEWS | 2024-04-15

Maxon Supplies Components for Remote Robotic Assisted Surgery System Tested Aboard the International Space Station

The robotic-assisted surgery (RAS) system incorporates the first-ever articulating camera. MIRA and spaceMIRA gain its strength in a small size by placing maxon’s motors inside the arms of the minibot. This structure allows the device to tackle a complex multi-quadrant procedure like colon resection across a broad range of patient types. The rigid, non-snake-like arms with internally mounted motors deliver the required strength to perform the surgeries while enabling triangulation of the camera and instruments. 

INDUSTRY NEWS | 2024-04-12

Innomotics Wins Prestigious Design Award

Innomotics has been awarded with the prestigious "iF Design Award". As part of the strategic reorganization of the Siemens Group, the business was carved out and launched as the independent brand "Innomotics" in 2023. Naming, brand strategy and design were developed from scratch. 

PRODUCT NEWS | 2024-03-21

ABB Showcases Motor Solutions at AGG1

ABB will showcase its innovative solutions at AGG1, the top exposition and education resource, in Nashville on March 25-27. Attendees are invited to visit Booth 717 to learn about the company’s motor line, designed to meet rigorous demands and harsh conditions reliably and efficiently while achieving lower life cycle costs. 

PRODUCT NEWS | 2024-03-18

ABB Baldor-Reliance SP4 Motors Represent the Latest in Motor Efficiency

Motor operators in all industries are staying ahead of the curve in energy efficiency and environmental stewardship with ABB Baldor-Reliance SP4 motors. ABB’s SP4 technology meets the NEMA Super Premium efficiency level in a standard AC induction motor design operating across the line, independently of a variable speed drive.

INDUSTRY NEWS | 2024-03-01

ABB and CERN Identify Energy-Saving Opportunities in Heating and Ventilation Motors

ABB and CERN, the European Laboratory for Particle Physics, have identified significant energy-saving potential through a strategic research partnership focused on the cooling and ventilation system at one of the world’s leading laboratories for particle physics institutes, located in Geneva, Switzerland. The study included energy efficiency audits which have helped to identify a savings potential of 17.4 percent across a fleet of 800 motors.

PRODUCT NEWS | 2024-02-29

Faulhaber Motor Assists with Robotic Tool Changer

In industry and logistics, robots generally handle monotonous tasks that they can repeat almost endlessly with steady precision. A new type of tool changer now turns the specialist for large series into a flexible all-rounder, with which even small series and individual pieces can be produced economically. The TKX changer series from the IPR specialists features a motor from Faulhaber in the electric drive of the automatic changer.

PRODUCT NEWS | 2024-02-29

Maxon Introduces 3-Axes Motion Control Motherboard

The release of the maxon EPOS4 Micro 24/5 CAN positioning controller has realized the option of significantly minimizing the “real estate” traditionally occupied by motor controllers.

PRODUCT NEWS | 2024-02-16

ABB IE5 SynRM Motor Provides Energy Efficiency and High-Power Output

ABB has launched a new version its IE5 SynRM (synchronous reluctance motor) that combines the benefits of ultra-premium energy efficiency with highly effective liquid cooling. The new design sets a new benchmark for high power output and reliability in a compact footprint.

PRODUCT NEWS | 2024-01-18

Dunkermotoren Launches Linear Motor Series

With the SL 38 product family, Dunkermotoren, an AMETEK brand, has launched a high-performance linear motor series. As an all-stainless-steel version, the ServoLine 38 STL is built with the highest material quality and environmental resistance.

INDUSTRY NEWS | 2023-11-16

Portescap Announces AS9100 Certification in Mumbai, India

Portescap has announced that its facility in Mumbai, India has attained AS9100 certification. Internationally recognized as the defining standard for Quality Management Systems (QMS) in the aerospace industry, AS9100 outlines a set of rigorous requirements that aerospace suppliers must meet to ensure the quality and safety of their products and services.

PRODUCT NEWS | 2023-11-10

AutomationDirect Offers Toshiba EQP Global SD Severe Duty Motors

AutomationDirect recently added the EQP Global SD severe duty motors from Toshiba. The Toshiba EQP SD series motors are designed to withstand the most severe conditions. Since most AC motor failures are a result of failed bearings, these inverter-duty motors feature oversized 300-series bearings for maximum motor longevity.

INDUSTRY NEWS | 2023-10-23

WEG Acquires Regal Rexnord's Industrial Electric Motors Business

WEG recently announced, through its indirect subsidiaries abroad, the acquisition of the industrial electric motors and generators business of Regal Rexnord Corporation, a global manufacturer of electromechanical equipment. The acquisition value is $400.0 million, subject to common price adjustments for this type of transaction.

PRODUCT NEWS | 2023-09-25

ABB Offers High-Efficiency Motors at WEFTEC

ABB is set to feature high-efficiency motor solutions during WEFTEC in Chicago, Illinois, USA, on October 2-4. Attendees are invited to visit Booth 2348 to learn from ABB experts about the company’s innovative products and services and the essential solutions they provide for water management and wastewater treatment. ABB’s Global Segment Manager Todd Huston and Global Product Marketing Manager Stefanie Casimir welcome visitors at the booth to discuss these products and their benefits to customers.

PRODUCT NEWS | 2023-09-15

ABB to Feature Motor Technologies at Turbomachinery Show

ABB will be featuring its high-efficiency NEMA motors solutions at Turbomachinery & Pump Symposia on September 25 – 28 in Houston. Attendees are invited to visit Booth #2835 to learn from experts how ABB’s innovative products and services provide essential solutions for energy saving, facility comfort, productivity and more. ABB’s Global Segment Manager Todd Huston and Account Manager Kirk Franz will be available at the booth to discuss the products and the product benefits.

PRODUCT NEWS | 2023-09-01

ZF Develops Magnet-Free Electric Motor

ZF has developed an electric motor which does not require magnets. In contrast to the magnet-free concepts of so-called separately excited synchronous motors (SESM) already available today, ZF’s I2SM (In-Rotor Inductive-Excited Synchronous Motor) transmits the energy for the magnetic field via an inductive exciter inside the rotor shaft. This makes the motor uniquely compact with maximum power and torque density.

REVOLUTIONS | 2023-08-30

Interact Analysis Examines Ultra-Low Voltage Motors Market

New research by market intelligence firm Interact Analysis shows that the ultra-low voltage motors market is experiencing a period of growth. By 2027 the market will be worth almost $6.5bn driven by demand from battery driven applications and a need for greater flexibility in manufacturing and logistics processes. The increased use of mobile robots is having a huge impact on the market for ultra-low voltage motors and, as a result of this, the supplier landscape will change significantly. 

PRODUCT NEWS | 2023-08-17

Tecnofirma Develops Modular System for Electric Motor Production

Electric drives often need to operate under high voltages up to 800 V to provide more power and higher speeds. However, the risk of partial discharges increases at these voltages. In combination with high operating temperatures, these can locally damage the insulation and lead to machine failure. However, a good impregnation ensures not only electric insulation but also copper bonding, to mechanically strengthen the electric motor, and air gap filling, to allow a better heat transfer. 

PRODUCT NEWS | 2023-08-15

Kollmorgen Expands Performance and Flexibility of AKD2G Servo Drive Series

Kollmorgen has announced the new AKD2G 24A drive. Designed for applications in precision multi-axis servo systems, the new single-cable optimized drive builds upon the strengths of the AKD2G portfolio including upgraded safety features, SD card backup and a graphical display with higher amperage to support more applications with higher power requirements such as conveyors and vertical lifting applications.

INDUSTRY NEWS | 2023-08-15

Bison – A Business of AMETEK – Combines AMETEK Dynamic Fluid Solutions and Bison Gear and Engineering Corp.

AMETEK Dynamic Fluid Solutions (AMETEK DFS) and the former Bison Gear and Engineering Corp. have combined to create a more robust, customer-centric business named Bison. The newly created Bison, a business of AMETEK, Inc., will provide a broader range of high-quality products, unparalleled customization and integration support, accelerated time to production, and global manufacturing flexibility.

| 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.

PRODUCT NEWS | 2023-08-11

Nord’s IE5+ Permanent Magnet Synchronous Motor Technology Receives New Design and Frame Sizes

With the introduction of their first IE5+ permanent magnet synchronous motor in 2021, Nord Drivesystems delivered a new standard of energy efficiency, variant reduction, and reduced operating costs. This Size 71 TENV smooth surface design has paved the way for additions to the IE5+ product family including ventilated designs and larger frame sizes to expand performance and versatility even further. These motors are UL/CSA certified and can be utilized across a wide range of industries and applications.

INDUSTRY NEWS | 2023-08-07

EASA Honors Franklin with Exceptional Achievement Service Award

The Electrical Apparatus Service Association (EASA) honored Dennis Franklin, an Essex Brownell retiree, for the EASA Exceptional Achievement Service Award.

REVOLUTIONS | 2023-06-23

EASA 2023 Highlights Motor, Pump and Machine Technology

The 2023 EASA Convention, June 25-27, at the Gaylord National Resort & Convention Center in National Harbor, MD. EASA (https://easa.com/conventionsupports companies involved in the service and sale of electric motors, pumps, drives, controls, gearboxes and other rotating machinery. Highlights include synchronous motors, machine reliability, leadership, sustainability, EASA's 90th birthday bash, motor maintenance, pump repair, supply chain issues and more.

PRODUCT NEWS | 2023-06-16

Nidec Features Latest Motor Technology at EASA 2023

Visitors to EASA in June will get a chance to see some of the highest efficiency electric motors available on the market when they stop by the Nidec Motor Corporation Booth (#613). Nidec’s “Super Premium” and above variable frequency drive (VFD) motors and all-in-one, integrated motors and controls are leading the industry with efficiency ratings of IE 4 and IE 5 for remarkable energy savings compared to traditional single speed motors.  

PRODUCT NEWS | 2023-05-17

SEW-Eurodrive Expands Motor Portfolio

SEW-Eurodrive is expanding its comprehensive portfolio to include new motors for purely inverter operation. The synchronous motors of the DR2C.. series satisfy the highest standard-based efficiency class IE5 for adjustable-speed electric motors. This makes them yet another sustainable and energy-saving motor variant. 

PRODUCT NEWS | 2023-05-12

ELIN Motoren and Voith Launch Electric Motors for Tunnel Boring Machines

ELIN Motoren and Voith launch the first electric motor with integrated safety coupling for the main drive of tunnel boring machines. Water-cooled asynchronous motors from ELIN Motoren contain either the Voith SafeSet to safeguard the entire drive train or the Voith SmartSet for continuous operation, even with frequent torque peaks. Torque limitation increases the productivity of the TBM, protects the machine components, and avoids costly downtimes.

REVOLUTIONS | 2023-05-11

Giant Solar-Powered Butterfly Exposes Climate Change Solutions

The SolarButterfly is focused on reaching millions of people, alerting them to the companies and individuals that are integral in transitioning societies away from fossil fuels toward clean energy technologies. Presently on a four-year journey around the world, the SolarButterfly plans to identify, record, and publicize at least a thousand climate protection pioneers and their solutions. 

INDUSTRY NEWS | 2023-05-08

ABB Completes Acquisition of Siemens Low Voltage NEMA Motor Business

ABB recently announced it has completed its acquisition of the Siemens low voltage NEMA motor business. The transaction was originally announced August 11, 2022, and financial terms of the transaction were not disclosed. The business employs around 600 people and generated revenues of approximately $63 million in 2021.

INDUSTRY NEWS | 2023-05-05

Ametek Aquires Bison Gear & Engineering

Ametek, Inc. has announced the acquisition of Bison Gear & Engineering Corp. (Bison), a leading manufacturer of highly engineered motion control solutions serving diverse markets and applications.

INDUSTRY NEWS | 2023-05-03

Maxon Partners with MassRobotics to Support Drive Technology in Robotics

MassRobotics and maxon announce a partnership to support the robotics innovation ecosystem through collaboration and exploration of motion control technologies around automation and manufacturing-related applications. With maxon’s extensive expertise and knowledge of electric drives, this partnership will support and advance the latest innovations and technologies in motion control with automation-focused companies in the robotics sector. 

PRODUCT NEWS | 2023-04-13

Portescap Brushless Flat Motor Added to ECF Series

Portescap announces the release of the 45ECF brushless DC flat slotted motor, the latest addition to join our flat motor portfolio. The 45ECF features a performance optimized design that utilizes an outer rotor configuration with an overall diameter of 43.2 mm and a body length of only 22.5 mm. The motor features hall sensors to easily control speed and torque and can be provided sensorless based on application requirements. Additionally, the motor can be used in combination with existing gearbox designs to provide high output torque at required operational speeds.

POWER PLAY | 2023-04-06

Academic Accuracy

It’s called the d2, a small, lightweight, nanoliter microplate dispenser—say that five times fast— used in lab automation to handle a variety of liquids. Created by UK Robotics, the liquid handler was launched in 2022 to shakeup the possibilities of moving liquids around the lab on a budget.

TECHNICAL ARTICLES | 2023-04-06

The Variation of Servomotor Efficiency in Different Applications

Unlike HVAC applications, servomotors are not normally operated at the same speed or torque for extended periods, thus the overall efficiency of a servomotor is not easily given a single numeric value. The efficiency varies greatly with the application, and thus different applications favor different types of servomotors.

PRODUCT NEWS | 2023-03-30

Orbex Group Offers Custom Brushless DC Motors

Orbex Group, a U.S.-based supplier of slip rings and electric motors, has introduced two new custom products to its offering of precision motion solutions. These custom flat brushless DC (BLDC) motors provide smooth motion, high precision and excellent power density, as well as an integral gear reducer in a compact package.

INDUSTRY NEWS | 2023-02-10

Airbus Selects Nidec Leroy-Somer to Develop Electric Motors for Zero-Emission Engine

Nidec Leroy-Somer has signed an agreement with Airbus to develop an electric motor for its hydrogen-powered fuel cell engine prototype, as part of Airbus’ ambition to bring the first zero-emission commercial aircraft to market by 2035. The long-standing expertise and extensive know-how of the French electric motor manufacturer, who already provides proven advanced technologies to many demanding industries, such as Navy, Nuclear, Railway, Automotive and Robotics is now collaborating on Aviation decarbonization. 

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.

REVOLUTIONS | 2023-02-02

A Look at Heat Dissipation Through E-Drives

Heat is also generated in an e-motor, sometimes quite a bit. In demanding applications, the motor electronics cause the power to be throttled or even shut down completely. But there is another clever way to protect an electric motor from overheating without losing power: using a thermally conductive casting resin as a heat transfer medium. The principle can also be called a static solid cooling system.

PRODUCT NEWS | 2022-12-20

MSS Compact Rotary Solenoids Available in OEM Quantities

The R-09-150 CCWM Series of Counterclockwise, Forward Shaft Extension Rotary Solenoids from Magnetic Sensor Systems (MSS), available in OEM quantities, features 18 different winding configurations allowing the user to match torque and duty cycle requirements to an application. These compact 38.1 mm (1.50 in.) diameter solenoids are just 22.098 (22.1) mm (0.87 in.) long and have two M4X0.7 threaded studs (8-32 studs optional) 7.366 (7.4) mm (0.29 in.) long on a 22.225 (22.2) mm (0.875 in.) bolt circle.  The shaft has 40 degrees of counterclockwise rotation, extending (13.0) mm (0.51 in.).   The shaft end is serrated for a better grip of the attached load.

INDUSTRY NEWS | 2022-12-15

EASA Announces Spring 2023 Seminar Schedule

The Electrical Apparatus Service Association (EASA) announces its Spring 2023 training seminar schedule. Offered in various locations around the United States, EASA's industry-specific training pools more than 100 years of rotating equipment knowledge from EASA's technical support staff. Participants have an opportunity to interact face-to-face with the presenters, as well as each other. 

INDUSTRY NEWS | 2022-12-01

Low Voltage AC Motor Market Grew by 21.2% in 2022

With over 200 years of combined experience, Interact Analysis is the market intelligence authority for global supply chain automation. Our research covers the entire automation value chain – from the technology used to automate factory production, through inventory storage and distribution channels, to the transportation of the finished goods. The world’s leading companies trust us to surface robust insights and opportunities for technology-driven growth.

INDUSTRY NEWS | 2022-11-30

Oriental Motor Troubleshoots Motor Noise

This Oriental Motor article provides more information on these types of noises and what can be done to minimize the noise.  It's important to remember to isolate the motor from any other noise-making source, such as metal plates or loose bolts.  It's also very useful to have an extra motor in good working condition for noise comparison, so you have a reference point.

INDUSTRY NEWS | 2022-11-29

Heidenhain Presents Automation Solutions Showcase Online

Heidenhain will host a worldwide digital event for automation, running November 28 - December 16 with opportunities to join online with appointments available for North Americans over four days (December 5-8).

REVOLUTIONS | 2022-11-28

Kollmorgen Examines Cutting Edge Technologies

Kollmorgen is all about innovation, constantly investing in collaborations and research projects to exchange knowledge and expertise with partners and universities across the world. Not only does it generate creativity amongst employees, but it also helps customers, partners, and students worldwide to realize their ideas. Someone who is much involved in Kollmorgen’s innovation projects and initiatives is Simon Bokesand, senior innovation engineer.

INDUSTRY NEWS | 2022-11-09

Lafert Introduces New Plant in San Donà di Piave

The new production plant is officially in operation after its formal unveiling at Lafert’s 60th anniversary celebrations in San Donà di Piave, Italy, close to the historic headquarters.

PRODUCT NEWS | 2022-10-06

NUM Launches Linear Electric Motors Series Designed for Machine Tools

NUM has launched a series of brushless linear servomotors designed specifically for continuous duty cycle applications in machine tools.

PRODUCT NEWS | 2022-09-19

Portescap Offers Latest Brushless Slotted Flat Motor to Portfolio

Portescap is pleased to announce the release of the 20ECF brushless slotted flat motor, which is the latest motor to join the flat motor platform. The 20ECF is characterized by a flat architecture, as well as a compact package size that is a hallmark of Portescap’s existing brushless motor portfolio.

TECHNICAL ARTICLES | 2022-08-03

Design Takes on a More Holistic Scope

In the past, we designed motors and drives separately from the mechanical system, and then we integrated suitable components to make a system work. Increasingly, though, the design focuses more on the overall system aspect and system integration, which makes the design of customized components more challenging. In this article, we will use examples of specific software tools, and it should be noted that these are just that: examples. For many of these tools, multiple similar and good software packages exist that can be used.

REVOLUTIONS | 2022-07-25

Kollmorgen Examines Three Design Considerations that Indicate a Machine Needs a Frameless Motor

Engineers often face challenges when incorporating servo motors into a new machine design, such as choosing between a conventional housed motor or a frameless design. Kollmorgen engineers examine the components of a frameless motor and review three key design considerations that would indicate a frameless solution is the best fit for a machine.

REVOLUTIONS | 2022-06-27

Kollmorgen Examines Five Brushless Servo Motor Components

Servo motors are used in numerous markets to power machines, instruments, robots, and other factory automation applications. This Kollmorgen blog addresses five major elements of a conventional brushless DC servo motor: the rotor, stator, bearings, feedback and housing.

PRODUCT NEWS | 2022-06-22

ABB Showcases Motor Solutions at EASA 2022

Visit the ABB Booth #603 at the 2022 EASA Convention in St. Louis, June 26-28 to meet experts, view innovative solutions, and to learn why selecting the right motor is important.

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 | 2022-05-09

Kollmorgen TMB2G Servomotor Series On-Hand at Automate 2022

Kollmorgen will exhibit their next-generation TBM2G series of frameless servomotors at the 2022 Automate Show, June 6 - 9, in Detroit, MI. Kollmorgen will also speak on the topic of Improving Robot Efficiency Through Permanent Magnet Motor Design and Selection at the breakout session on the afternoon of June 8. 

PRODUCT NEWS | 2022-04-29

OES Motion Control System Complements Multi-Axis Stages

The Figaro series is a motion control system introduced to complement Optimal Engineering Systems’ growing line of single and multi-axis positioning stages. The Figaro series is an easy-to-use, plug-and-play, cost effective solution motion controller.

PRODUCT NEWS | 2022-04-28

Heidenhain Introduces Encoders for Small Motors

With the introduction of the PressFit rotary encoders from Heidenhain, small-motor manufacturers finally have a better solution for incorporating automated mounting for feedback devices. This new ExI 11xx encoder series features a unique compact design that allows fast and simple mounting by press-fitting into a motor housing while still allowing surrounding space for cables and seals.

PRODUCT NEWS | 2022-04-22

Mayr Power Transmission Introduces Electromagnetic Safety Brakes for Linear Movements

The new electromagnetic linear brake ROBA-linearstop from Mayr Power Transmission offers a fail-safe system with high holding forces, which can also brake dynamically and provide short switching times.

INDUSTRY NEWS | 2022-04-22

Piezo Motion and MTG Announce Partnership

Piezo Motion, a Brain Scientific company, and Micro Technology Group (MTG) recently announced a partnership. Piezo Motion is a developer and manufacturer of automation technology. MTG, headquartered in Mansfield, Massachusetts, is a business development company providing technical marketing and sales services for leading manufacturers.

PRODUCT NEWS | 2022-04-21

Kollmorgen Announces TBM2G Motor Series

Kollmorgen has announced the new TBM2G series of frameless servomotors, introducing features that simplify the design of collaborative, surgical, aerospace and defense and other robots while delivering optimal performance in a lighter, more compact package. These new motors will complement Kollmorgen’s existing TBM and KBM series of frameless motors. 

TECHNICAL ARTICLES | 2020-09-01

Various Coil Configurations Used in Coreless Motors

Three-dimensional finite element analysis (FEA) simulation and research from published information is used to compare the features of various coil configurations.
TECHNICAL ARTICLES | 2020-09-01

Hybrid Transverse Flux Magnetic Motors - How to Measure Parameters

These versatile, low-cost and high-torque motors may be used open loop or as full servos - and several levels in between. The motor stator laminate designs divide these motors into those optimized for full stepping, and those optimized for micro stepping and servo operation. These differences can be easily measured with basic meters and oscilloscopes. Motor to motor variations can also be easily measured, and motor inductance at nominal speed and current can also be determined.
| 2020-03-13

Motors without Rare Magnets: What are the Options? (Part Two)

In Part I we explored various motor technologies used today for industrial and traction motor design. Here in Part II we will explore another motor...
FEATURE ARTICLES | 2020-03-01

Value-Driven

New Opportunities and Technologies Allow AC Motors to Enhance Motion Control Applications.
| 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...
| 2019-02-04

Construction Time Again

Bauma 2019 Examines Sustainability, Digitization and Energy Efficiency

Bauma 2019 (April 8-14, Munich, Germany) is a complete overview of...
PRODUCT NEWS | 2018-10-01

Product News

The complete Product News section from the October 2018 issue of Power Transmission Engineering.
EVENTS | 2018-10-01

Calendar

The complete technical Calendar from the October 2018 issue of Power Transmission Engineering.
| 2018-05-30

Machine Parts No Longer in Production? Solutions for Hard-to-Find Bearings and Parts

Written By: Steve Katz, President, Emerson Bearing Boston Good machinery can last a lifetime. But, replacement parts for older equipment may be ...
| 2017-12-11

Consolidation and Innovation

It has been a while, but as many of you know there are too many projects and not enough time. One of my many projects has been to identify new s...
FEATURE ARTICLES | 2017-10-01

Familiar Goals, New Solutions

Gearmotor manufacturers find new ways to push the envelope. (With Sidebar on new alternative to planetary gearboxes)
| 2017-06-20

The Times, They Are Changing

Occasionally in conversation you make a reference to technology and then realize that you are old. I could talk about the first microprocessors, va...
| 2017-02-28

When Things Get Hot

Looking at recent inquiries, there appears to be a growing demand for motors that can operate in high-temperature environments. Although they we...
| 2016-10-10

Factoring In the Power Factor

Recently our customers have indicated a great concern over power factors when starting new development projects for higher-efficiency motors. Wh...
| 2016-08-25

Custom or Off-the-Shelf?

  Today I want to follow up on a discussion of an often debated topic: do you want a custom motor or should you buy a standard (stock) moto...
FEATURE ARTICLES | 2016-06-01

Can You Develop Your Own Custom Motor-and-Motion System

In this century’s complex, ever- changing world of manufacturing, such capabilities as hardware and software expertise, effective location and distribution, business savvy and yes, even luck, are some of the cardinal requirements for running a successful business.
TECHNICAL ARTICLES | 2015-04-01

Mathematical Modeling for the Design of Spiroid, Helical, Spiral Bevel and Worm Gears

Spiroid and worm gears have superior advantages for hightorque and miniaturization applications. And for this reason they are particularly preferred in aerospace, robotic and medical applications. They are typically manufactured by hobbing technology, a process with a typical overall lead time of 4 to 14 weeks.
FEATURE ARTICLES | 2014-12-01

The Small Motor Rule, How Will This Affect You

According to the Department of Energy (DOE), more than half of all electrical energy consumed in the U.S. is used by electric motors. To address this, several years ago, the DOE conducted a technical study as to what could be done to raise the efficiency levels of “small” motors. After years of study and litigation, the Small Motor Rule (SMR) was passed that covers two-digit NEMA frame single- and three-phase ¼ through 3 horsepower motors in open enclosures.
POWER PLAY | 2014-09-01

High-Tech Motors Evolving from PM Muck

University lab's motor eliminates pricey rare-earth magnets.
FEATURE ARTICLES | 2014-03-01

Engineering Showcase 2014

We are pleased to present our first annual Engineering Showcase, a celebration of some of the leading products and companies in mechanical power transmission. In the pages that follow, you’ll find examples of engineering excellence and technological know-how in the field of gears, drives, couplings, machine parts and other mechanical components.
TECHNICAL ARTICLES | 2012-10-01

High-Frequency, GaN Diode-Free Motor Drive Inverter with Pure Sine Wave Output

This article presents the first kW-Class, 3-phase GaN-based inverter. Hard-switched at 100-kHz PWM, its heart is a 6-in-1 power module with 600-V GaN power HEMTs, achieving a new efficiency of 98.5%, a more than 2% improvement.
PUBLISHER'S PAGE | 2012-04-01

How to Become an Expert in Your Field

Managing Editor Randy Stott recounts a recent visit to Siemens manufacturing and assembly facilities in Elgin, IL.
TECHNICAL ARTICLES | 2012-04-01

Achieving High Electric Motor Efficiency

The use of motor structures which can concentrate magnetic flux allows ferrite PM motors to achieve performance and power densities that approach those of PM motors using rare earth magnets, but without the cost penalties and supply source concerns of rare earth magnets.
TECHNICAL ARTICLES | 2011-02-01

Opportunities Amidst Crises

Energy-challenged industries--and countries--can benefit from improved motor design and materials.
TECHNICAL ARTICLES | 2010-12-01

A Present State and Future Vision of Motor Drive Technology

One of the driving forces behind the industrial revolution was the invention—more than a century ago—of the electric motor. Its widespread use for all kinds of mechanical motion has made life simpler and has ultimately aided the advancement of humankind. And the advent of the inverter that facilitated speed and torque control of AC motors has propelled the use of electric motors to new realms that were inconceivable just a mere 30 years ago. Advances in power semiconductors—along with digital controls—have enabled realization of motor drives that are robust and can control position and speed to a high degree of precision. The use of AC motor drives has also resulted in energy savings and improved system efficiency. This paper reviews the development and application of inverter technology to AC motor drives and presents a vision for motor drive technology.
FEATURE ARTICLES | 2010-12-01

Medical Pumps with Uncommon Sens(ors)

New generation sensors are improving our quality of life.
POWER PLAY | 2010-10-01

Vive (American) La France

A look back at a turbine-powered fire engine that was years ahead of its time.
FEATURE ARTICLES | 2010-06-01

Development of an Educational Engineering Workshop on Electric Vehicle and Motor Technology

This paper describes the development of an educational program centered on electric motor and electric vehicle technology at the MIT (Massachusetts Institute of Technology) Edgerton Center.
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