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Root cause for noise excitation in geometrically-accurate (perfect) parallel-axes gearing

Gears are extensively used to transmit a rotation from a driving shaft to a driven shaft. Depending on the gear […]

Filling Some Gaps in Spline Design Guidelines: Centering, Friction, and Misalignment

Editor’s note: At the author’s request, some statements have been removed for clarity since the article was originally published in October, […]

Application of Finite Element Analysis for the Strain Wave Gear Tooth Surfaces Design and Modification

This paper represents the application of finite element analysis for the strain wave gear with modified conjugate tooth surfaces. The […]

Methods to Determine Form Diameter on Hobbed External Involute Gears

In custom designs of external spur or helical gears, designers generally prefer a lower form diameter for greater transverse contact […]

Design features of worm gearing composed of plastic and/or powder-metal components

This article deals with worm gearings in cases when the worm-gear pair is composed either of plastic or of powder-metal […]

Lean Heat Treatment for Distortion Control

Controlling distortion is of key importance during the case hardening process for the production of gear components. By effective control […]

Tooling Workholding: A new solution for bevel gears

The creativity of the designers knows no bounds with new drive element and gear geometries. Faced with constantly increasing demands […]

Is anyone printing gears using metal additive manufacturing?

The AGMA Emerging Technology Committee wanted to look at additive manufacturing through the lens of the goal of the committee: […]

Tooling & Workholding: A success story: Low-deformation workpiece clamping

Those who want to turn, mill, or grind rings, flanges, housings, or other thin-walled parts will quickly reach the limits […]

Two-Probe Pitch Inspection Method For Large Gears

A gear’s pitch (a k a index or spacing) accuracy is one of the most fundamental gear characteristics affecting its […]

Chamfer Hobbing, Perfect Timing

New gearbox developments, particularly for eDrives, are creating a whole new set of gear design and manufacturing criteria. Compact gearbox […]

Magnetic Barkhausen Noise as an Alternative to Nital Etch for the Detection of Grind Temper on Gears

The detection and prevention of grinding burn is critical to the production of ground gears of all types and sizes. […]

Psychoacoustic Methodology for the Noise Reduction of Bevel Gears

The relationship between FFTs and gear quality as well as gear noise is investigated with some surprising conclusions, which leads […]

Advanced Cutting Tool Systems

40 Years of Innovative Cutting Tool Solutions Advanced Cutting Tool Systems is a world leader in the special design and […]

A Competitive Edge Starts at the Spindle

Despite some 750,000 CNC mills put into service in the United States over the past 15 years, CNC machining job […]

Choosing a Resharpening Resource

On a per-unit basis, the overall cost of cutting tools in a gear cutting process boils down to only a […]

Effects of Asymmetric Cutter Tip Radii on Gear Tooth Root Bending Stress

By Dr. Abdullah Akpolat, Dr. Nihat Yildirim, Burak Sahin, Omer Yildirim, Bulent Karatas, and Fatih Erdogan Tooth root fillet is the […]

Root Fillet Optimization of Gears with Asymmetric Teeth

By Dr. A.L. Kapelevich and Dr. Y.V. Shekhtman The Direct Gear Design method optimizes various parameters and elements of gear […]

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