Broaching tool

Details Broaching tool Broaching tool

1991-01-29

1992-08-04

Briggs, William

Gear cutting, milling, or planing

Broaching

Cutter support or guide

407 17, B23D 4104

Patent

active

051353393

ABSTRACT:
A broaching tool includes a holder and a plurality of broaching inserts mounted therein. Spacers are situated between successive pairs of inserts and are formed of a tougher material than the inserts. Each spacer includes a reinforcing web which abuts against a rear surface of its respective leading insert. The reinforcing web extends higher than a lower level of the cutting edge of that respective leading insert, so as to reinforce that insert. The web terminates short of its respective trailing insert, whereby a space is formed between the reinforcing web and the trailing insert for receiving chips formed by the latter.

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patent: 3707748 (1973-01-01), Price et al.
patent: 4243347 (1981-01-01), Clapp et al.
patent: 4740115 (1988-04-01), Hertel et al.
patent: 4801226 (1989-01-01), Gleason
patent: 4993889 (1991-02-01), Kelm

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