Tool and cutting insert for milling

Details Tool and cutting insert for milling Tool and cutting insert for milling

1999-09-08

2000-11-07

Wellington, A. L.

Cutters, for shaping

Including tool having plural alternatively usable cutting edges

With integral chip breaker, guide or deflector

407115, 407116, B23B 2722

Patent

active

061427160

ABSTRACT:
A cutting insert for milling comprises two major sides, two minor sides, and upper and lower sides. At least one pair of cutting edges is formed at the transition of the upper side with a major side and a minor side of the cutting insert. The upper side constitutes a chip surface, and the major and minor sides constitute clearance surfaces. Each pair of cutting edges comprises a major cutting edge extending along the major side, and a minor cutting edge extending along the minor side. The major and minor cutting edges intersect in the area of a cutting corner. The cutting corner is provided inside an imaginary extension line of a major part of the minor side. The major cutting edge slopes such that it forms an acute angle with the lower side. Each pair of cutting edges joins a first clearance surface protruding relative to a plane containing a major portion of the minor and major sides. Recesses are formed in the major sides.

REFERENCES:
patent: 5078550 (1992-01-01), Satran et al.
patent: 5145295 (1992-09-01), Satran
patent: 5147158 (1992-09-01), Riviere
patent: 5199827 (1993-04-01), Pantzar
patent: 5207538 (1993-05-01), Satran
patent: 5232319 (1993-08-01), Satran et al.
patent: 5365805 (1994-11-01), Pantzar et al.
patent: 5382118 (1995-01-01), Satran et al.
patent: 5597271 (1997-01-01), Met et al.
patent: 5803674 (1998-09-01), Satran et al.
patent: 5810519 (1998-09-01), Vogel et al.

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