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Many industrial applications require components that are re-machined after completing the hardening process, as the heat treatment leads to distortions. Hardened gears, as a family of components, have always required an economic hardening process to meet requirements for gear noise reduction, higher torque transmission and lower wear.
Swiss engineer Albert Fassler first applied himself to these problems in the 1960s. Fassler AG has evolved from its original purpose of developing and manufacturing devices and tools to dress grinding wheels for gear grinding machines, to the development of gear honing and hard broaching machines for hard finishing of internal splines, including the tooling needed for these processes. 1975 saw the first Fassler gear honing machine, updated ten years later with a numerical control.
The early 1990s saw...