Cutting insert for chipforming machining of workpieces

Details Cutting insert for chipforming machining of workpieces Cutting insert for chipforming machining of workpieces

1993-04-28

1995-06-13

Terrell, William E.

Cutters, for shaping

With chip breaker, guide or deflector

Comprising concave surface in cutting face of tool

407117, B23B 2708, B23B 2722

Patent

active

054236398

ABSTRACT:
A cutting insert for chip forming machining of workpieces is disclosed. The insert includes at least one end-positioned cutting head having an upper surface with a cutting edge extending across the width of the cutting insert and the ends of the cutting edge adjoining front chip surface side portions. A chip-deforming depression is provided between the front chip surface side portions. The rake angle of the chip surface side portions is consistently negative while the rake angle of a surface of the depression adjacent the cutting edge is consistently positive.

REFERENCES:
patent: 3815191 (1974-06-01), Holma
patent: 4629372 (1986-12-01), Huston
patent: 4776733 (1988-10-01), Pettersson
patent: 4778311 (1988-10-01), Niemi
patent: 4969779 (1990-11-01), Barten
patent: 4973204 (1990-11-01), Mihic
patent: 4992008 (1991-02-01), Pano
patent: 5135336 (1992-08-01), Noguchi et al.

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