Contact Ratio Optimization of Powder-Metal Gears
Powder metal (PM) alloys are becoming more of a solution for high-performance gears, not only because of part price but […]
Review of Microstructure and Properties of Non-Ferrous Alloys for Worm Gear Application and Advantages of Centrifugally Cast Gears
Worm gears are used for large gear reductions. Gear ratio ranges of 5:1 to 300:1 are typical. Generally, worm gear […]
Case Study: How Advanced Gearbox Testing Drove the Need for the Lost Foam Casting Process
For decades, powertrain test systems incorporated custom test stand gearboxes constructed with fabricated gearbox housings. In some cases, fabricated housings […]
Gear Design Relevant Cleanness Metrics
The “Metallurgical Specifications for Steel Gearing” information sheet (AGMA 923-B05) [1] details non-metallic inclusion limits to meet AGMA grade expectations […]
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. […]
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 […]
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 […]
State of the Art in Microstructure and Metallurgy Modeling
Anticipating the microstructure evolution during the manufacturing process has long been a major concern for specific industries such as aerospace. […]
Developing a Lighter, Stronger, and Cleaner Air-Melt Steel for Critical Applications
Steel components, particularly those used in critical applications such as bearings and fuel injection systems, are increasingly expected to be […]
Advantages of Direct Gear Design For Automotive Polymer Gear Drives
Invention of the gear-generating machining process that uses the gear rack shape tooling cutting edge (as shown in Figure 1) […]
A Comparison of Wrought Steel Gears and Surface – Densified Powder Metallurgy Gears
Automotive transmission gears are responsible for transmitting torque from the engine to the wheels. In the process of transferring torque, […]
