Invention of the gear-hobbing process about 150 years ago revolutionized not only gear fabrication, but also gear design. Basically, a hob or shaper cutter traverses the gear blank to generate teeth.

The patent-pending uP-Gear process — co-developed by Heller Machine Tools and Voith Turbo — is aimed at manufacturers of vehicles, machines, or machine components, that machine large gears in low ...