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Performance-Driven Design of Multi-Stage Gear Transmissions for E-Drive Systems

The electrification process involving urban mobility vehicles is pushing research into developing efficient and durable transmissions. The transmission system has the crucial role of transforming the electrical energy produced by the electric machine into mechanical power, which is subsequently delivered to the wheels through a gear reduction system.

Smarter Drives, Smarter Systems

Nidec Drives Provides FAE with Complex Drive Control Solutions

Production Power

Four Trends Driving the Adoption of Automated and Smart Manufacturing Workflows

Data-Driven Prediction

How Model-Based Design and Digital Twins Transform Diagnostic Accuracy

The Impact and Viability of Industrial Motors

ABB Strengthens Product Line for Cement and Aggregate Applications

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Feature Articles

Modern Motion

Servo drives are electronic devices that control the precise motion of motors in automated systems, and they have become one of the most influential technologies behind today’s industrial transformation. Their rise reflects a broader shift toward flexible, intelligent, energy-efficient production. Demand for advanced motion control is accelerating fast, with global industrial automation projected to surpass 400 billion dollars within a few years. That growth is fueled by factories seeking accuracy, repeatability, speed, and the kind of reliability required for round-the-clock manufacturing.

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Optimizing Check–In to Takeoff

Airports where hundreds of airplanes take off and land around the clock require perfect planning and coordination—and the tailor-made drive technology to process thousands of passengers and their baggage securely, every day. The growing focus on capacity and security issues, as well as shorter ground times, are presenting major challenges for the airport industry.

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A Deep Dive into Automation, Conveyance, Sustainability and AI

Pack Expo East drew more than 7,300 attendees and 2,700 exhibitor personnel to highlight the latest advancements in automation, smart manufacturing, sustainable materials, and AI-driven solutions. The regional event provided new machinery, breakthrough materials, advanced automation, and smart manufacturing technologies transforming the industry in 2026.

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The Year Ahead in Robotics

As someone who has spent more than four decades involved in the robotics industry, I can say unequivocally that this is the most exciting time ever. From a technology that was originally used predominantly by U.S. automotive companies, robotics has now spread to nearly every industry and every country around the world.

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Gear Drives

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.

Gears

Future electric and hybrid electric vertical takeoff and landing vehicles will require high-efficiency and lightweight electric motor-driven propulsion systems. One key to designing an optimum electric motor-driven propulsion system, is to have a method for estimating the mass and efficiency of a gearbox for different power levels, motor speeds, and propeller speeds. Understanding the trade space for gearbox mass and efficiency allows the overall optimization of the propulsion system.

Bearings

We have all seen the Q4 2025 headlines around electric vehicle (EV) sales and they were not good. Ford recorded a $19.5B loss in EV pullbacks (Ref. 1). General Motors posted $6B in EV debt (Ref. 2). Stellantis took a $26B hit which was compounded by underperforming EV sales and recovery from the previous CEO’s disastrous cost-cutting strategy (Ref. 3). Also, notably, was the laundry list of not-long-ago hailed startups that have went bankrupt, often leaving investors, suppliers and employees holding the bag: Bollinger, Canoo, Nikola, ELMS, Lordstown, Fisker, Arrival, Proterra, Volta just to name a few. Many more are on the brink along with dozens of startup suppliers that enticed investors with untold wealth to be gained in the automotive revolution 2.0 (Ref. 6,13,14).

Motors

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.

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Videos

UR Offers a Million Welds and Zero Downtime with Cobots

The robust performance of the robot welder at Centerline Brackets led the Florida-based manufacturer to an exceptionally rapid return on investment, achieved in less than three months. The Universal Robots' collaborative robot dramatically cut production time and addressed labor shortages while ensuring consistent weld quality for heavy-duty brackets.

INDUSTRY NEWS

Jun 12, 2026

An important factor in the successful transformation to e-mobility is a holistic energy concept for electrified vehicles. Efficient energy management constitutes the essential precondition for driving, charging, battery conditioning, thermal control of the interior, and other vehicle-related functions. At the 13th Schaeffler Automotive Symposium, the Motion Technology Company will be demonstrating how the company is not focusing just on driving when it comes to energy management, but on all aspects that improve performance, efficiency, and customer benefits.

PRODUCT NEWS

Bossard Americas, offering fastening and assembly technology, will exhibit at Automate 2026, North America’s largest automation-focused trade show, taking place June 22–25, 2026, at McCormick Place in Chicago. Automate 2026 brings together manufacturers, integrators, and technology leaders to explore the exciting future of automation, robotics, and digital manufacturing. Bossard will demonstrate how smart, connected solutions help manufacturers improve efficiency, quality, flexibility, and production transparency in increasingly complex assembly environments.

CALENDAR

RPM Symposium 2026

Sep 22, 2026 - Sep 23, 2026

The RPM (Reliability Process & Maintenance) Symposium (Kalamazoo, MI) is a conference event where end users can network and learn about industrial facilities, reliability, maintenance best practices, electric motor driven powertrains, and IIoT.

TPS (Turbomachinery & Pump Symposia) 2026

Sep 21, 2026 - Sep 24, 2026

WZL Gear Conference USA

Jul 15, 2026 - Jul 16, 2026

Pack Expo International 2026

Oct 18, 2026 - Oct 21, 2026

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Power Transmission Engineering magazinePower Transmission Engineering is THE magazine of mechanical components. PTE is written for engineers and maintenance pros who specify, purchase and use gears, gear drives, bearings, motors, couplings, clutches, lubrication, seals and all other types of mechanical power transmission and motion control components.

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