Tool-changeover holder

Details Tool-changeover holder Tool-changeover holder

1989-03-09

1990-04-03

Briggs, William

Gear cutting, milling, or planing

Milling

Cutter spindle or spindle support

82159, 408239R, 409234, B23C 526, B23B 3110

Patent

active

049136062

ABSTRACT:
A tool changeover holder for machine tools has a rotationally driven spindle and a replaceable tool head that can be fixed thereto. The rotationally driven spindle has on the tool side a central journal, a chucking devoce and an annular face that surrounds this concentrically. The tool head has a central drilling to accommodate the spindle journal and an annular matching surface that surrounds the drilling concentrically. The spindle face and the matching surfaces have inversely congruent centering and torque-transmitting means that engage in each other in the chucked position. Hirth serration elements are arranged on the face of the spindle in a plurality of annular-sector shaped serration sections that lie on an annulus that is concentric with the axis of the spindle. These are separated from each other by the flat contact surface sections.

REFERENCES:
patent: 3271848 (1966-09-01), Montandon
patent: 4453435 (1984-06-01), Saverwald et al.
patent: 4632614 (1986-12-01), Rall et al.
patent: 4655631 (1987-04-01), Mitchell
patent: 4655655 (1987-04-01), Schurfeld
patent: 4768282 (1988-09-01), Rieck et al.

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