Method of making a broach

Details Method of making a broach Method of making a broach

1988-06-02

1991-01-15

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 6912, 219 6915, 219 77, B23P 108

Patent

active

049856090

ABSTRACT:
A broach which has several cutting elements and a support unit to which the cutting elements are attached is made by cutting the cutting elements through electric-discharge machining, in particular wire-EDM so that the production thereof is less time consuming and less expensive. Moreover, the cutting elements can already be made to final size and final hardness.

REFERENCES:
patent: 3399443 (1968-09-01), Roy et al.
patent: 3528154 (1970-09-01), Schmidt
patent: 3952179 (1976-04-01), Baker
patent: 4038730 (1977-08-01), Tersch
patent: 4046984 (1977-09-01), Vial
patent: 4387287 (1983-06-01), Marazzi
patent: 4485288 (1984-11-01), Schneider
patent: 4490600 (1984-12-01), Rae

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