Apparatus for operating the clamping jaws of a chuck

Details Apparatus for operating the clamping jaws of a chuck Apparatus for operating the clamping jaws of a chuck

1987-02-25

1988-07-19

Weidenfeld, Gil

Chucks or sockets

With fluid-pressure actuator

Socket type

279 4, B23B 3124, B23B 3126

Patent

active

047580062

ABSTRACT:
An apparatus for operating the clamping jaws of a chuck. The clamping jaws are coupled with an adjustment member which, for producing an adjustment movement is in driving connection with an adjusting drive mechanism. The latter is formed by a two-part rotary motor that is disposed externally of the main spindle and is concentric thereto. The rotary motor is rotatably mounted as a self-contained unit. One functional member of the rotary motor is driveable directly by the main spindle and is drivingly supported thereon. The other functional member is drivingly connected with the adjustment member. To maintain the clamping force, the two functional members can be positively secured to one another. To undertake an adjustment movement, the two functional members can be infinitely variably moved relative to one another.

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