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Design Method of System Tolerances in Cylindrical Gearboxes for Cost-Efficient Optimization of the Excitation Behavior

The article proposes a method to optimize cylindrical gearbox tolerances by balancing gear noise performance and manufacturing costs using modeling, analysis, and meta-model-based optimization.

¡Rápido!

With many of its precision gears produced in small lot sizes, Spanish gear producer Engranajes Juaristi S.L. depends on Gleason machines for exceptional speed and flexibility.

State of the Gear Industry 2026

The gear industry navigates uncertainty, finds pockets of strength, and bets on automation

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Technical Articles

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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The Intrinsic Pitch Cones in Hypoid Gears

A method to calculate pitch cones for hypoid gears using macrogeometry parameters—similar to non-offset bevel gears—while accounting for the added complexity of hypoid offset, tooling, and cutting technology is explored in this paper.

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A Review on Gear Transmission Error

This paper will review the development process, current research status, characteristics, functions, and measurement methods of TE. It will analyze the difficulties and core issues existing in the basic theory of TE, clarify the limitations and deficiencies of TE, and explore ways to overcome the shortcomings of TE.

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Electric vs. Combustion: A Comparative Analysis of Gear Design for Commercial Vehicle Applications

This paper examines the transition from internal combustion engine (ICE) vehicles to electric vehicles (EVs), highlighting the distinct gear design requirements for each and presenting a comparative case study of gearbox configurations in a 14-ton commercial vehicle.

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Design

Gleason's Coniflex® Pro Design and Manufacturing System for producing stronger, quieter, and more reliable e-drive differential gears in high volumes, for automotive, truck, bus and off-highway transmissions. It‘s the differential difference!


Grinding

The way to increase production, especially with the largest gears, is to decrease nonproductive time with improved strategies.

Inspection

Gear inspection has long been a highly specialized, costly investment and an overall challenging part of the gear manufacturing process. Through advances in technology and automation, this typically tedious, time-consuming process is becoming significantly
more efficient as multisensor coordinate measuring machines (CMMs) gain more traction as one of the preferred methods of gear inspection.

Heat Treating

Furnaces North America 2022 (FNA 2022), presented by the Metal Treating Institute (MTI), in partnership with its media partner, Heat Treat Today, is the heat-treating industry’s go-to event every other year. FNA 2022 attracted attendees from across North America, including Fortune 500 companies. For three days attendees took part in networking, connections, and learning about the vast changes taking place in emerging technologies, industry trends, and advances in equipment.

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Videos

Grob Showcases Gear Ring Production with Power Skiving

The Grob G750T boasts efficient machining for gear rings by offering precise and efficient power skiving and seamless integration of milling and turning for maximum flexibility and productivity.

Industry News

Nidec Machine Tool America is pleased to announce a joint Open House with Wenzel America this June, bringing together manufacturing leaders for two days of technical presentations, live demonstrations, and industry networking. The Gear Up for Precision Open House will spotlight Nidec’s latest advancements in gear manufacturing and its expanding portfolio of advanced manufacturing technologies, paired with live demonstrations of Wenzel’s high-precision metrology and CT scanning solutions.

Product News

As cost pressure increases, manufacturers are being challenged not only to manage higher prices but also to rethink how cutting tools are designed, used and replaced. Tungaloy is addressing this challenge through tool architecture. The company emphasized using exchangeable-head solid carbide systems that reduce material consumption and environmental impact while achieving high machining performance. 

Calendar

WZL Gear Conference USA

Jul 15, 2026 - Jul 16, 2026

The WZL Gear Conference USA will take place on July 15 and 16, 2026, at KLINGELNBERG America, Inc. This renowned conference brings together North American companies with the Laboratory for Machine Tools and Production Engineering (WZL) at RWTH Aachen University and offers a compact overview of current developments and research topics in gear technology.

Sandvik Coromant Tech Days

May 6, 2026 - May 7, 2026

Gear Up for Precision Open House

Jun 9, 2026 - Jun 10, 2026

Fabtech Canada

Jun 9, 2026 - Jun 11, 2026

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The Gear Industry Buyers Guide is your complete directory of suppliers in the gear industry, including great companies like these.


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