Richard Test
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Gear Design Relevant Cleanness Metrics
The “Metallurgical Specifications for Steel Gearing” information sheet (AGMA 923-B05) details non-metallic inclusion limits to meet AGMA grade expectations for a range of...
New Refinements to the Use of AGMA Load Reversal and Reliability Factors
The American Gear Manufacturers Association (AGMA) rating standard, ANSI/AGMA 2101-D04, “Fundamental Rating Factors and Calculation Methods for Involute Spur and Helical Gear Teeth” ,...
Optimizing Gear Macro and Microgeometry To Minimize Whine and Maximize Robustness for a Diesel...
The desire for engines that provide more torque and power is driving higher loads into the gear train. At the same time, expectations for...
Pitch Factor Analysis for Symmetric and Asymmetric Tooth Gears
In comparison with traditional gear design based on pre-selected, typically standard generating rack parameters and its addendum modification also known as the X-shift, the...
Accelerated Testing and Temperature Calculation of Plastic Gears
Plastic gears have been in use since the 1950s, and their popularity has increased significantly in the last few years. The mass production of...
Application of Advanced Mesh Analysis To Eliminate Pinion Failures
Through a case study involving pinion failures on plastic extruder drives, this paper covers failure analysis, gear rating review, application of advanced mesh analysis...
Testing and Validation of Powder Metal Gears in a 6-Speed Manual Transmission
A 6-speed manual transmission was redesigned and optimized using powder metal steel as the gear material. The design work was comprehensive and included deformations...
An Introduction to Shot Peening for Increasing Gear Fatigue Life
While everyone is familiar with sand blasting, people erroneously believe that shot peening is the same thing. However, the two processes are completely different....
Case Study: Abtex Corporation and an Automotive Gear Manufacturer
Since 1980, Abtex Corporation — headquartered in Dresden, New York, the Finger Lakes area of New York State — has been solving deburring problems...
Five Ways To Extend CNC Spindle Life for Gear Manufacturing
For most manufacturers, including those that produce gears, the productivity of their CNC equipment can be measured in fractions of seconds, including not only...
Adopting Vision Systems: Technology Geared Toward Cost Savings and Boosting Quality
First-tier gear manufacturers are now embracing machine vision technology to streamline production lines, which, of course, ultimately leads to significant cost savings. However paradoxical...
Calculating the Risk of Micropitting Using ISO Technical Report 15144-1:2014 – Validation with Practical...
For high-performance gear transmissions, case-carburized and ground gears are used in most cases. International standards have been developed to provide standardized calculation methods for...
Non-Contact Gear Defect Detection Is Now Possible
In 2012, Slone Gear International Inc. and Mound Laser Inc. began experimenting with combining laser technology with gear manufacturing and gaging knowledge to bring...
Case Study: Gleason Corporation and Schafer Gear Works
When the operations manager at Schafer Gear Works, Paresh Shah, visited the Gleason booth at Gear Expo 2015, he wasn’t looking for a new...
Polymer Composite Bases for Machine Foundations
A properly designed base foundation is crucial to the success and longevity of the machine. Designers have historically resorted to steel, cast iron, fabricated...
Case Study: Erwin Junker Machinery and Komet of America Inc.
In order to stay competitive in their industries, manufacturers must always be on the lookout for new ways to provide value while keeping cost...
Case Study: Tracey Gear, Drake Manufacturing, and Norton Abrasives
The worldwide use of grinding wheels for grinding a thread form into a precision workpiece is a common process. However, in this case study,...
A New Class of Industrial Gear Oil
In 2013, the global lubricant market was just over 40 million tons, comprised of 58-percent automotive lubricants and 42-percent industrial lubricants. The industrial lubricant...
Analysis and Optimization of Asymmetric Epicyclic Gears
The design objective of asymmetric tooth gears is to improve performance of the primary drive flank profiles at the expense of the opposite coast...
