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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.

Advanced Lubrication Technology

Shell Gadus OG grease enhances open gear operation in mining facility

Unique Pathways to Learning

GROB successfully implements European workforce development strategies in the United States

MPMA and Federtec Bridge the Global Skills Gap

Modernized, On-Demand Courses Provide Accessible Gear Education for the Next Generation of Professionals

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Technical Articles

Nanocomposite Coatings for Gears

This work aims to demonstrate the potential benefit of applying nanocomposite coatings to gear teeth to reduce operating friction and wear by presenting tribological test data.

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Experimental Study on the Performance of Plastic Worm Gears

This study examines the implementation and experimental validation of state-of-the-art plastic worm gear design methods, focusing on the VDI 2736 guideline as the most comprehensive reference for load-carrying capacity calculations.

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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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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

Grinding

Fully electric vehicle drives usually require two-stage, non-switchable transmissions. One would think that this greatly simplifies the production. Finally, the described transmission structure has just four gears, distributed on the drive shaft, the second stage with fixed wheel and intermediate shaft as well as the axle drive wheel. But the conditions are not that simple: First of all, the engine speeds of the electric drive with up to 16,000 rpm are much higher than those of the combustion engine. For this purpose, electric motors deliver an almost constant torque over a wide speed range. Unlike the combustion engine, it is already attached to the transmission from zero speed. In addition, there is an additional boundary condition that makes production much more demanding than with the conventional powertrain.

Inspection

On the surface, it may not seem like the gear inspection industry has changed much over the last few years. Shops still primarily use either machines that are dedicated solely to measuring gears, or multiuse Coordinate Measuring Machines (CMMs). And regardless of which machine they use, software serves as the backbone that supports their many diverse sensors.

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Videos

Forest City Gear Knows Robots!

Forest City Gear manufactures extremely high-precision gears made for the most advanced robotics, right in Roscoe, IL.  This family-owned team of gearheads specialize in high-precision gears engineered to handle the most demanding robotic applications—on Earth, and way beyond.

Industry News

Klingelnberg offers a comprehensive program of bevel gear training courses, available both at the company's seminar center in Zurich and on site at customer facilities. For over 20 years, Klingelnberg application engineers have shared their practical knowledge of bevel gears directly with customers through this established program.

Product News

A new version of the MESYS shaft and rolling bearing analysis software is available. The bearing analysis software allows the calculation of the load distribution within the bearing as well as bearing life according to ISO 16281. It is integrated in a shaft system calculation offering additional capabilities such as modal analysis, strength calculation for shafts and interfaces to gear calculations.

Calendar

Reliable Plant 2026

Jun 15, 2026 - Jun 18, 2026

This event (Reno, NV) offers attendees learning sessions and case studies on the latest industrial lubrication and oil analysis technologies. The comprehensive conference schedule covers every facet of the machinery lubrication industry and includes workshops on topics such as employee performance, lubrication fundamentals, condition-based maintenance and planning.

Cleanpower 2026

Jun 1, 2026 - Jun 4, 2026

American Manufacturing Summit 2026

Mar 17, 2026 - Mar 18, 2026

IMTS 2026

Sep 14, 2026 - Sep 19, 2026

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