Apparatus for the inductive hardening of workpieces rotatable ar

Details Apparatus for the inductive hardening of workpieces rotatable ar Apparatus for the inductive hardening of workpieces rotatable ar

1974-06-18

1976-06-29

Truhe, J. V.

Electric heating

Metal heating

Of cylinders

219 1043, 219 1057, 219 1079, 266249, H05B 508, C21D 110

Patent

active

039670899

ABSTRACT:
Apparatus for inductive hardening of the bearings of crankshafts by a rotational process, wherein various parts of the surface of the workpieces are heated by variably shaped inductors, and wherein the workpiece is loaded horizontally with a hardening carriage, which supports a transformer plate for supporting a transformer connected to a medium frequency current source and an inductor attached to the transformer plate, and an automatic control to move the transformer plate to load and unload separate inductors for treating variably shaped workpiece surfaces.

REFERENCES:
patent: 2574564 (1951-11-01), Hogel et al.
patent: 3247353 (1966-04-01), Cary
patent: 3784780 (1974-01-01), Laughlin et al.

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