Elimination of straightening operation in induction hardening of automotive camshafts
by Gary Doyon; Valery Rudnev; John Maher; Randall Minnick; Glen Desmier
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 11, No. 1/2, 2016

Abstract: Recent technological breakthroughs in induction surface hardening of camshafts dramatically reduce their distortion. Achieving almost undetectable camshaft distortion and, in many cases, an elimination of an entire straightening operation is the result of three factors: an ability to form a true uniform hardness pattern, minimisation of maximum pick temperature and avoidance of applying any pressure/force during hardening. Other benefits of utilising the SHarP-C^TM Technology in recent installations have proven to produce not only superior straightness but also better metallurgical properties of induction hardened lobes and bearings. This advanced technology also minimises energy consumption and substantially increases inductor life.

Online publication date: Sun, 31-Jul-2016

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