Chucks or sockets – With fluid-pressure actuator – Socket type
Patent
1988-08-04
1990-06-12
Bilinsky, Z. R.
Chucks or sockets
With fluid-pressure actuator
Socket type
279111, B23B 3130
Patent
active
049326740
ABSTRACT:
An operation control device is provided for a chuck by which the rotary drive for the chuck is disengaged when the clamping motion leading to clamping of the workpiece in the chuck has not been provided or is not sufficient. The clamp jaws of the chuck are adjustable by a drive member guided axially in the chuch body which is connected to a clamping piston. The operation control device comprises a control piston which is acted on by a compressed medium against the force of a restoring spring and is locked by the drive member against the sliding caused by the compressed medium in a locked position disconnected from the rotary drive if the drive member is positioned in the end safety region of its axial displacement. Because of that, it is possible by displacement only of a control piston to control both the chuck displacement and also the clamping force for clamping the workpiece and thus to take care of the situation in which a reliable clamping of the workpiece is no longer possible at the end of the chuck displacement by a chuck interior displacement limit.
REFERENCES:
patent: 4447180 (1984-05-01), Pesch
patent: 4611814 (1986-09-01), Hiestand
patent: 4645220 (1987-02-01), Hiestand
Pesch Karl
Rohm Gunter H.
Bilinsky Z. R.
Dubno Herbert
Lianides Ronald
Rohm Gunter Horst
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