Cutters – for shaping – Rotary broach
Patent
1999-01-22
2000-05-30
Tsai, Henry W. H.
Cutters, for shaping
Rotary broach
407 35, 407 43, 407 58, 82106, 82107, 82130, B23C 520
Patent
active
060684305
ABSTRACT:
In a mounting mechanism for a pin mirror cutter 22, the cutter body 22 is mounted with its outer periphery inserted into the inner periphery of a cutter mounting portion. an inclined surface of a tapered portion 22 formed on the cutter body and an inclined surface of a tapered portion formed on the cutter mounting portion are in surface-contact with each other, and the diameters of the contact surfaces gradually decrease in the direction of insertion of the cutter body into the cutter mounting portion. Furthermore, these inclined surfaces and are formed by a plurality of flat surfaces so as to form regular octagonal pyramid surfaces.
REFERENCES:
patent: 4964762 (1990-10-01), Arai et al.
patent: 5551811 (1996-09-01), Satran et al.
patent: 5800098 (1998-09-01), Satran et al.
patent: 5919008 (1999-07-01), Shimomura
Horiike Nobukazu
Saeki Yukihiro
Takiguchi Syoji
Mitsubishi Materials Corporation
Tsai Henry W. H.
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