Cutting insert having multiple chip breaker surfaces

Details Cutting insert having multiple chip breaker surfaces Cutting insert having multiple chip breaker surfaces

1994-03-11

1995-09-12

Kisliuk, Bruce M.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

407115, B23P 1528, B23B 2722

Patent

active

054492556

ABSTRACT:
A flat disk-like tool insert has a plurality of arcuate cutter tips for machining the side surface of a rotating work piece, and a plurality of linear cutting edges for machining a chamfer on the end of the work piece. An endless land surface is contiguous with the cutter tips and the linear cutting edges so as to deflect metal chips away from the machined surfaces. Each tool tip is aligned with two chip breaker ledges that are arranged in a step configuration, such that chips of varying thickness can be effectively and cleanly broken without interference with the machining process. A third chip breaker ledge is set back from each linear cutting edge for breaking chips generated during a chamfering operation.

REFERENCES:
patent: 4969779 (1990-11-01), Barten

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