Method and apparatus for clamping a tool in a metal cutting mach

Details Method and apparatus for clamping a tool in a metal cutting mach Method and apparatus for clamping a tool in a metal cutting mach

1994-01-24

1995-09-05

Bilinsky, Z. R.

Tool changing

Process

409233, 451165, 451910, 483 7, 483 31, B23Q 3155

Patent

active

054474850

ABSTRACT:
An ultrasonic machining device 10 is attached to a movable carriage 3, and has a borehole 11 to whose free end a differential screw 14 is threaded. To clamp a tool 20, first the device is returned to a neutral position whereat a wrench 25, which is mounted stationarily in a frame 2, engages the differential screw which rests on a shoulder of the wrench with low prestress. The wrench is then rotated until the screw projects a specific amount beyond the end of the device. The tool is then threaded onto the screw until it abuts the device 10, and finally the screw is tightened by a pneumatic cylinder 32.

REFERENCES:
patent: 2925016 (1960-02-01), Walter et al.
patent: 3028770 (1962-04-01), Pittwood
patent: 3374711 (1968-03-01), Saunders
patent: 3760958 (1973-09-01), Lohneis
patent: 4751916 (1988-06-01), Bory
patent: 4934103 (1990-06-01), Campergue et al.
patent: 5140773 (1992-08-01), Miwa et al.

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