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Jaw chuck. (Workholding).

The jaws of this retractable jaw chuck extend and retract to enable the turning of shafts in a single operation and also compensate for part irregularities. Heavy cuts can be made without slippage by extending the jaws to clamp the shaft during roughing operations. The jaws then retract and the facedriver is used for final turning. The self-contained facedriver changes out for different sized shafts. Driver pins mechanically compensate for out-of-square parts while the spring-loaded center compensates for center size variation. The Positrol Retractable Jaw Chuck is available in standard sizes of 8", 10" and 12". Positrol Workholding, Cincinnati, OH, Booth 2605, or circle 329
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Publication:Tooling & Production
Date:Aug 1, 2002
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