Arrangement and process for the inductive hardening of profiled

Details Arrangement and process for the inductive hardening of profiled Arrangement and process for the inductive hardening of profiled

1998-04-20

2000-06-20

Kastler, Scott

Metallurgical apparatus

Means treating solid metal

By contact with gas

219639, 219602, 148572, C21D 106

Patent

active

060774754

ABSTRACT:
In a device for inductive hardening of profiled camshafts (especially those having valve cams and zero cams) during a hardening operation, the camshaft is surrounded by an inductor and is heated by means of a magnetic field emanating from the inductor. The inductor has several axial members and radial members through which the induction current flows during the hardening operation. Dynamo sheets provided on the axial branches focus the magnetic field in the radial direction. The position and the width of the dynamo sheets is adapted to the surface profile of the camshaft, so that the focusing is aimed at areas with a small diameter.

REFERENCES:
patent: 4535211 (1985-08-01), Carter
patent: 4549057 (1985-10-01), Anderson

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