Inspection & Metrology: Overcoming metrology bottlenecks in additive manufacturing
Undoubtedly there are many benefits associated with the use of additive manufacturing (AM) as a production technology. Across industries, manufacturers […]
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 […]
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 […]
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 […]
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, […]
Powder Metallurgy of High Density Helical Gears
Powder Metallurgy is a proven technology to produce high strength gears for the automotive industry. Advances in powder production, compaction, […]
A New Standard Under Development: Specifying Powder Metallurgy Gears
In the early nineties, I was working at a transmission manufacturing facility in Indiana that made lawn and garden transmissions. […]
Cost Reduction Using Powder Metal for Pump and Metering Gears
Powder Metal (PM) gears are used in pumps across a wide spectrum of industries. These include lube pumps for power […]
Powder Metal Gears, Part IX
In Part IV, Macro Design was discussed and a corrugated web was presented. The idea of the corrugated web came […]
Designing Powder Metal Gears
Powder metal (PM) gears are a cost efficient alternative for machined gears in larger series. Synchronizer gears, oil pump gears, […]
Powder Metal Gear Conversion
There are many different processes performed in the “powder metal” arena. They range from conventional compacting with sponge iron (low-density, […]
Fatigue Performance of Prealloyed PM Steel
Powder metal (PM) materials that exhibit excellent heat treated properties and achieve good fatigue performance are needed to convert wrought […]
Powder Metal for Precision and Performance
While the powder metal process is becoming increasingly popular with gear designers because it is a cost-effective alternative to traditional […]
Bending Fatigue of Surface Densified Gears
Surface densified powder metal gears and conventional wrought steel gears were tested using a pulsator and a back-to-back gear tester […]
Rolling Contact Fatigue of Surface Densified PM Gears
Surface densification provides the opportunity for PM technology to advance into the manufacture of highly stressed product groups, such as […]
High Performance Gears for Heavy Duty Transmissons
Planetary gears in heavy truck gearboxes are normally manufactured by forging a blank, turning, hobbing, shaving, and heat-treatment followed by […]
Steeling Savings with P/M Materials
Recent advances in powder manufacturing and processing have made chromium an attractive element in P/M manufacturing. In addition to chromiumís […]
Pure Powder, Pure Power!
In many of today’s applications for powder metallurgical steels, the requirements on the material increase consistently. Tool users are seeking […]
