Method and apparatus for the inductive surface hardening of...

Details Method and apparatus for the inductive surface hardening of... Method and apparatus for the inductive surface hardening of...

C - Chemistry, Metallurgy

21

D

C21D 1/42 (2006.01) C21D 1/10 (2006.01) C21D 9/30 (2006.01)

Patent

CA 2199917

A method for the inductive surface hardening of a camshaft of an internal combustion engine, the workpiece having an inductor with an internal contour positioned about the workpiece. The workpiece revolving about a central axis in the interior of the inductor, a coupling distance between the workpiece and the inductor. The method comprises maintaining the coupling distance constant while maintaining the internal contour of the inductor in a line parallel to the contour of the workpiece at the point of closest proximity of the inductor and the workpiece, and rotating the workpiece about an axis at an integral transmission ratio during one revolution.

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