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, […]
Improvements in Precision Turning
The outcome of performance, and of achieving the results you require when turning precision features on parts, depends on getting […]
New Opportunities with Open Die Forging
True, the unsteady recovery and realigning markets mean business is more difficult for the entire gear industry. Order volumes are […]
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 […]
Low Pressure Carburizing for Transmissions
With the many advances that have taken place to improve quality in the gear industry, it is only logical that […]
Retained Austenite Stabilization
The phenomenon of retained austenite stabilization in tool steels is well documented [1,2]. When a steel with a martensite finish […]
Dimensional Stability in Cryogenic Treatments
When cryogenically treated, case carburized steel (En 353) showed tremendous improvement in wear resistance [1]. This is due to the […]
Optimizing Ring Gear Forging
The objective of this research was to develop an optimum preform/blocker forge geometry for a ring gear blank, which would […]
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 […]
The LPC Process for High-Alloy Steels
Low pressure carburizing (LPC) in vacuum furnaces has many applications in industrial technologies where high quality, reliability, and repeatability are […]
Induction Heating for Low-Cost Quality Gears
The gear market is looking for increased gear performance, reduction in gearbox package size, and longer gear life. Industry drivers […]
Forged Gears for Structual Integrity and Product Reliablity
For a primer on the differences between cast and forged gears, who better to turn to than the Forging Industry […]
Heat Treating Heavy-Duty Gears
Whether required to pace the movement of a precision watch or a giant wind turbine, gears play an essential role […]
Comparing Castings and Forgings
Material selection is one of the most crucial decisions made in the design, manufacture, and application of large structural components. […]
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 […]
Engineered Systems for Forging Operations
Forging is a diverse industry, and Seco has a number of different furnaces, atmosphere generating systems, and quenching systems to […]
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 […]
Engineered Heat Treatment for Stronger Aerospace Gears
It is well established that carburization of low alloy steels promotes compressive residual surface stress upon quenching, and that compressive […]
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 […]
Forging Foundations
In past issues we’ve featured forging companies serving the gear-manufacturing industry in our profile and Q&A sections, and talking with […]
