The Power of Pulsed Plasma
There has been much discussion regarding the surface treatment of gear power transmission systems using the nitriding process. Much of […]
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 […]
Improvements in Dimensional Control of Heat Treated Gears
The goals and objectives of this investigation focused on highly distortion-prone gearing (Figure 1) to determine if dimensional improvements could […]
Heat Treatment Simulation Can Help Avoid Process Problems
Heat treatment is an indispensable step in the manufacture of steel products, as mechanical properties such as hardness, static, and […]
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 […]
Time to Shift Gears on Heat Treating?
How many times have you heard this conversation? Production manager: “Where’s the 72-piece bevel gear order that should be at […]
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 […]
Oil Quenching Technologies For Gears
Oil quenching is a logical choice for gears. Atmosphere and vacuum carburizing carbonitriding of gears followed by oil quenching is […]
Diagnostic Tool Helps Develop Profile for Induction Hardening Process
Combining process monitoring and a diagnostic tool to develop a process for contour (profile) hardening gear teeth or tooth-like objects […]
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 […]
The Methodology of Metallurgy
The study of metals (metallurgy) address material selection, failure analysis, heat treating, mechanical testing, non-destructive testing, metallography, and material characterization. […]
The Pressure’s On for Decreased Distortion
Many manufacturers [1] have reported that low pressure vacuum carburizing (LPC) has resulted in less distortion on gears than atmosphere […]
Rapid Stress Relief and Tempering
Stress relief and tempering are important processes, but they are still conducted much as they have been for the past […]
A New Tool Steel for Hot Forming Gears
Hot forming operations like forging, extrusion, hot upsetting, piercing, and any other operations involving deformation of solid hot metal place […]
Laser Heat Treating Advances for the Gear Industry
Laser technology has been used for many years with much success in industries such as power generation, hydraulics, hand tools, […]
Reducing Distortion in Heat-Treated Gears
Power transmission gear manufacturing for critical industrial applications (Figure 1) requires an understanding of many factors, including both heat treat […]
The Details of Ductile Iron
Cast iron is generally thought of as a weak, dirty, cheap, brittle material that does not have a place in […]
The Simultaneous Dual Frequency Method of Inductive Gear Hardening
Inductive surface hardening is an attempt to harden only the surface of a structure without affecting the inner portions of […]
Material Benefits at 300 Below
For decades, cryogenic treatment has been one of metalworking’s best-kept secrets. It has become mainstream in recent years, and it […]
