Changeable chuck system

Details Changeable chuck system Changeable chuck system

1997-09-12

1999-05-11

Pitts, Andrea L.

Chucks or sockets

With fluid-pressure actuator

Radially reciprocating jaws

279 401, 279 412, 279125, 279143, B23B5/22

Patent

active

059019670

ABSTRACT:
In a changeable chuck system which can grip and release a workpiece by means of a chuck C by itself, fluid shut-off valves 20a and 20b are provided on a fluid supply portion provided on the tip of a main spindle 2 of a machine tool. When the chuck C is mounted on the main spindle 2, the fluid shut-off valves 20a and 20b are automatically connected to fluid couplers 111a and 111b provided behind the chuck C, and a jaw operating cylinder 90 provided in the chuck C is actuated by a fluid supplied from a rear portion of the main spindle 2 to open and close gripping jaws 93. Thus, the gripping jaws 93 can be operated by means of the jaw operating cylinder 90 provided in the chuck C when the chuck C is mounted on the tip of the main spindle 2.

REFERENCES:
patent: 3814448 (1974-06-01), Buck
patent: 4537410 (1985-08-01), Hiestand
patent: 4550922 (1985-11-01), Hall et al.
patent: 4697966 (1987-10-01), Baur

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