Indexable cutting insert

Details Indexable cutting insert Indexable cutting insert

1989-08-31

1991-09-03

Schmidt, Frederick R.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

407113, 407115, 407116, B23D 1528

Patent

active

050448404

ABSTRACT:
A cutting insert for chipforming machining of metal workpieces comprises opposed top and bottom surfaces and a peripheral wall extending therebetween. The insert has cutting edges at the juncture between the peripheral wall and at least the top surface and the peripheral wall. A land area and a chip breaker groove are located along the edges. The chip breaker groove comprises a pair of concave end depressions and a series of concave intermediate depressions disposed between the end depressions. The portions of the cutting edge disposed along the end depressions are straight and longer than portions of the cutting edge disposed along the intermediate depressions, the latter being wavy in shape.

REFERENCES:
patent: 4273480 (1981-06-01), Shirai et al.
patent: 4846609 (1989-07-01), Bernadic et al.

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