Case Study: Conicity Technologies
With a reputation for manufacturing some of the strongest and quietest automobile axle assemblies, production at the Getrag Axle Plant […]
Grinding Gears for Automotive Excellence
Designing and manufacturing custom gearboxes for the automotive industry requires the careful combination of opposing criteria if the manufacturer is […]
Calculating Tooth Form Transmission Error
The variation of the tooth meshing stiffness is a primary source of noise. In production lines for gear manufacturing in […]
A Green Light to the Future
Imagine curing the coatings on your gears with the flip of a light switch, and being able to handle and […]
Harnessing the Horsepower Thief
Microscopic examination of the traditionally ground tooth surfaces of automotive transmission gears reveals a micro-roughness and unidirectional pattern corresponding to […]
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 […]
A History of Excellence: IMTS
The first National Machine Tool Builders’ Exposition was held September 19-23, 1927, in the Cleveland Auditorium. The show occupied 63,000 […]
Evolution through Innovation
Its name has multiple meanings, having to do with such tenets as self sufficiency and entrepreneurial will. Founded by Kohki […]
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 […]
Defeating Tooth Flank Deformation
Every gear is subject to torque, resulting in elastic deformation of the toothed parts as well as the entire rotor […]
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 […]
Proven Processes for Improving Parts
It’s rare to come across a manufacturing process or method that first promises multiple increases in productivity, and then delivers […]
Gear Mesh Misalignment
Gear mesh misalignment may result in shifts in the load distribution of a gear pair that results in increasing contact […]
Special Report: A Firsthand Look at Buying Rebuilt
A company was bidding on a project and soon realized it couldn’t win if it had to buy new equipment […]
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 […]
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 […]
A Revolution in Hobbing Technologies
In a market that has not seen any truly revolutionary changes in decades, LMT-Fette is pushing the long overdue evolution […]
Calculating the Inverse of an Involute
The involute tooth form is the only tooth form that provides true conjugate action normal to the tangency of the […]
