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 […]
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 […]
CFD Simulation of Power Losses and Lubricant Flows in Gearboxes
Printed with permission of the copyright holder, the American Gear Manufacturers Association, 1001 N. Fairfax Street, Suite 500, Alexandria, Virginia […]
Choosing a Planetary Gearhead
From CGI Inc. staff When a motor is being designed into a motion control system, all too often the benefits […]
Measuring Root/Flank Stress in Plastic Gears
The number of plastic gears used in different applications is increasing every year, mostly due to their cost effectiveness for […]
Closed Loop Machining of Cylindrical Gears
Leonhard Euler’s 1760 invention of making cylindrical gears with an involute profile was the beginning of a success story. As […]
Extending gear life in demanding applications
Although gears and other precision components are generally made of hardened steel or metal alloys, those used in high load […]
Fast, Flexible Bevel Gear Cutting
Well over 100 bevel gear cutting machines crowded this Chicago factory floor just a few years ago, all busy producing […]
Numerical Thermal 3D Modeling of Plastic Gearing
This paper will primarily focus on the prediction of gear temperature of plastic gears using a numerical heat transfer model […]
An Experimental and Analytical Comparison of the Noise Generated by Gears of Austempered Ductile Iron (ADI) and Steel Materials
Over the years, there have been many claims made concerning the relative noise performance of austempered ductile iron (ADI) versus […]
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