Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Patent
1988-09-16
1990-10-30
Schmidt, Frederick R.
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
407 41, 407 42, 407 53, 407 61, 407113, B23C 520
Patent
active
049665006
ABSTRACT:
In a face milling cutter, a plurality of cutter inserts are detachably mounted to an outer periphery of a forward end portion of a cutter body. The cutter inserts are arranged in peripherally spaced relation to each other about a rotary axis of the cutter body. Each of the cutter inserts has opposite faces one of which, first face being generally in the form of an octagon having eight ridgelines or a hexagon having six ridgelines, which are formed respectively into cutting edges. Each pair of adjacent cutting edges as a major edge are intersected with each other at an obtuse angle.
REFERENCES:
patent: 2690610 (1954-10-01), Begle et al.
patent: 3481015 (1969-12-01), Bogner
patent: 3818561 (1974-06-01), Montana
patent: 4194860 (1980-03-01), Hopkins
patent: 4230429 (1980-10-01), Eckle
patent: 4597695 (1986-07-01), Johnson
patent: 4645384 (1987-02-01), Shimomur
Arai Tatsuo
Saito Takayoshi
Tsujimura Osamu
Mitsubishi Kinzoku Kabushiki Kaisha
Schmidt Frederick R.
Shideler Blynn
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