Precision quenching apparatus and method with induction heating

Metallurgical apparatus – With control means responsive to sensed condition

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266129, 266130, 266131, C21D 1100

Patent

active

060249137

ABSTRACT:
In the apparatus: Y table 43 carries a work W and travels a predetermined distance in direction Y in a reciprocating manner; X table 41 causes the work W to reciprocate in direction X between a first position, in which the work W is loaded onto and unloaded from Y table 43, and a fourth position, in which an induction heating coil 23 is disposed; X table 41 is mounted on a base frame 11; a first reference on Y table 43 positions rows of quenched portions 76a of the work W in desired locations when the work W is loaded onto Y table 43; a second reference on Y table 43 serves as a reference for determining coordinates of Y table 43; a position measuring means 32 in a second position intermediate between the first and the third position measures coordinates of the second reference and of the quenched portions 76a; and, a control means 100 issues signals to control X-Y table 40 together with the heating coil 23 based on the measured coordinates.

REFERENCES:
patent: 5488219 (1996-01-01), Tanaka et al.
Japanese Patent Abstract No. JP401083367A, Mar. 1989.
Japanese Patent Abstract No. JP408013037A, Jan. 1996.
Metals Handbook Ninth Edition, vol. 4 Heat Treating, p40, Aug. 1982.

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