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Drivetrain Integration

Flender unveils the next generation of wind gearboxes

Logistics, transportation and maintenance have always been critical challenges in wind turbines. There’s truth to the notion that large components can cause bigger headaches on their massive size and scope alone. A smaller, compact drive solution can help eliminate today’s renewable energy challenges while reducing costs.

Gear Heat Treatment Selection with a Duty Test Matrix

A practical framework for matching requirements to process routes and proof tests

High-Volume Holemaking for Gear Production Success

Consider exchangeable-tip solid round cutting tools for durability, precision, and performance

Profile Grinding of Large Gears

Increasing material removal efficiency through advanced infeed strategies

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Technical Articles

Influence of Tooth Root Contour Deviations on the Tooth Bending Strength

This study investigates how manufacturing-related geometry deviations in the tooth root area affect gear bending strength calculations, demonstrating that accounting for measured tooth contours rather than nominal geometries is essential for accurate material comparisons in fatigue testing.

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Investigating the Effects of Wear, Lubrication and Material Pairing on the NVH Performance of Plastic Gears

This study systematically evaluates how material selection, progressive wear, and grease lubrication affect the noise, vibration, and harshness (NVH) performance of polymer gears, providing new insights for designing quieter, more optimized transmission systems.

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Water Spray Quenching—A New Intensive Quenching Process for Case Hardening of Gears

Water spray quenching achieves heat transfer coefficients up to 4,000 W/(m²K)—nearly double conventional oil quenching rates—enabling potential material substitution and tailored quench intensity for complex gear components.

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Prospects of Asymmetric Gears in EV Gearbox

The paper examines how optimizing asymmetric gear tooth geometry through Direct Gear Design can improve load capacity, efficiency, and compactness in EV gearboxes, surpassing the performance limits of conventional symmetric gears.

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Design

The aim of this report is to investigate the potential of using surrogate models within the gear design process.

Grinding

For the research developed in this work, an existing simulation model of the generating gear grinding process based on a penetration calculation approach is used. Further, an extension of the model considering a realistic modeling of the grinding worm topography and the macro movements of the grinding worm during the process is presented. The result of the simulation is the microinteraction characteristics throughout
the grinding of the gear flank. In the end, the information about microinteraction characteristics obtained will be used for the calculation of force and energy in generating gear grinding.

Inspection

For precision measuring, skilled machinists, toolmakers, and inspectors must have accurate tools and gages, produced from quality materials, carefully manufactured, and rigidly inspected, to ensure lasting dependability. Gages have evolved throughout the years beginning with mechanical, then electronic models, and now convenient wireless electronic versions have come on the scene. Each type has an important place in today’s quality control and inspection processes.

Heat Treating

The roots of heat-treating run deep within ASM (American Society for Materials) International, as its society was founded in Detroit in 1913 as The Steel Treaters Club. The heat-treating constituency of ASM created the Heat Treating Society (HTS) to provide focused leadership, communications, and service development to its network of worldwide membership of captive and commercial heat treaters, equipment manufacturers, researchers, governments, and technicians. To discuss Heat Treat 2023, the 32nd annual HTS Conference and Exhibition, Gear
Technology took a moment to catch up with conference chair Andrew Banka, vice president of Airflow Sciences Corporation. Heat Treat 2023 is colocated with IMAT and Motion + Power Technology Expo in Detroit, October 17–19.

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Videos

If This Old Machine Can Be Automated, Yours Can Too

Productive Robotics sets the new standard for simplifying robotic automation. OB7 ensures simplicity in use and versatility, easy automation of existing production and new set-ups, increased output, consistency, and quality. It emphasizes teaching the robot rather than programming. Productive Robotics' OB7 collaborative robots are currently used in many diverse applications due to their simplicity, capability, and affordability.

Industry News

The new KISSsoft Release 2026 features enhanced structured visualization of system behavior, a more powerful REXS interface and improved journal-bearing calculations. 

Product News

Modern precision tools are created through the perfect interaction of the entire grinding process chain—from the machine, software, grinding wheel and clamping technology to the cooling
lubricant. Clean, temperature-stable cooling lubricant microfiltration forms the basis for consistent quality, efficient processes, and sustainable manufacturing. 

Calendar

The Manufacturing Engineering Division (MED) of ASME sponsors the Manufacturing Science and Engineering Conference (MSEC) every June. MSEC (State College, PA) is the annual forum for the exchange of advanced manufacturing research knowledge. It is intended to disseminate the most recent developments in manufacturing research through technical presentations, poster sessions and panel sessions. The event is hosted by Penn State University.

GrindingHub 2026

May 5, 2026 - May 8, 2026

Gear Up for Precision Open House

Jun 9, 2026 - Jun 10, 2026

WZL Gear Conference USA

Jul 15, 2026 - Jul 16, 2026

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