Method of manufacturing springs, including the production of wir

Details Method of manufacturing springs, including the production of wir Method of manufacturing springs, including the production of wir

1984-07-02

1986-02-04

O'Keefe, Veronica

Metal treatment

Compositions

Heat treating

148 123, 148 124, C21D 806, C21D 180

Patent

active

045683948

ABSTRACT:
The method of manufacturing coiled springs comprising forming steel rod by hot rolling, oil-tempering the rod as produced in the hot rolling operation, without drawing it, by passing it through an austenitizing step, an oil quenching step and a tempering step, cold-drawing the resultant oil-tempered rod into wire, and winding springs from the wire.

REFERENCES:
patent: 4174981 (1979-11-01), Cassell
patent: 4336081 (1982-06-01), Hijikata et al.

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