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Design and Load Capacity of Crown Gears in Comparison to Bevel Gears

Through loaded tooth contact analysis of two applications, this paper demonstrates that crown gears can match bevel gear load capacity while offering meaningful advantages in weight reduction, axial-force-free pinion mounting, and assembly simplicity.

Complexity Without Compromise

Five-axis machining provides high-speed, high-accuracy for the future of part design

Beyond the Involute

Tooth forms tuned for EV power density, and a production suite that now spans compound planetary design, linked skiving-honing simulation, and on-machine measurement

Skiving’s Motion, Grinding’s Finish

A new process runs skiving kinematics with an abrasive CBN tool, targeting a long-standing gap in internal-gear finishing

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Technical Articles

Smart Alloying Eliminates Manufacturing Steps in Automotive Gears

20NiMo9-7 alloy achieves up to 48 percent higher fatigue strength than conventional carburizing steels in the as-carburized condition, eliminating the need for shot peening and grinding in automotive gear applications.

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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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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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Interchangeability of Gears

An excerpt from Gear Technology Solutions by Dr. Hermann J. Stadtfeld covering when and how individual bevel gear members can be replaced during gearbox service without changing the mating gear.

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Design

Thanks to material development and additive manufacturing opportunities, it’s important for the gear and power transmission industries to monitor the trends, technologies and future forecasts in the powder metal market.

Grinding

This article describes a cloud-based process and machine component monitoring system called ARGUS. The term “swarm” is used for a large population of gear-grinding machines of individual and independent customers connected to the ARGUS system and the ARGUS cloud. These “swarm” machines permanently feed their anonymized process data into a common cloud database. Reishauer uses this database for big data analytics to discover patterns that indicate successful process and machine component behavior patterns worth integrating into the ARGUS algorithms and propagate them across the complete ARGUS customer base.

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

Heat Treat 2023 is the Heat Treating Society’s 32nd conference and expo for heat treating professionals featuring three days of face-to-face networking opportunities with approximately 200 heat treat exhibitors/companies. All the top heat-treating companies will offer the latest research and industry insights during more than 100 technical programs. This year’s show includes a VIP-guided industry tour, as well as student/emerging professionals initiatives, including free college student registration, Fluxtrol Student Research Competition, and the ASM Heat Treating Society Strong Bar Student Competition. Heat Treat 2023 is colocated with Motion + Power Technology Expo 2023 with access to additional exhibitors. The event takes place October 17–19, 2023 at Huntington Place in Detroit.

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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

REM Surface Engineering is proud to celebrate the 20th work anniversary of its President and CEO, Justin Michaud. Over the past two decades, Michaud has been the driving force behind the company’s technological evolution, expansion into cutting-edge industrial sectors, and a significant broadening of its global footprint.

Product News

Sandvik Coromant will highlight its comprehensive approach to solving real-world challenges in machining, metalworking and production at IMTS 2026. 

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.

Advanced Manufacturing Expo (AME) 2026

Jul 29, 2026 - Jul 30, 2026

Furnaces North America (FNA) 2026

Oct 12, 2026 - Oct 14, 2026

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