N.A. Woodworth UBL Pull Down Power Chuck
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Workholding Worldwide

To change from OD clamping to ID clamping:A. Remove 4 bolts from each front bearing. B. Rotate actuator arm 180 degrees (without removing from the chuck body).C. Replace and tighten front bolts. > UBLchucks can grip work-pieces having up to a 7 degree taper. With standard jaw design and up to 12 degrees with minor modifications. Aflat is provided at the center of the spherical diameter.This flat is what enables the pull-back feature. The flat is standard in our bearings, or can be customized for specific needs. > Master jaw develops lift Abrasion between themaster jaw and cross slide The...

Centralizing UBLChucks work by utilizing a one-piece actuator device which allowsthe chuck jaws to establish the axis of rotation. The diameters being turned will then be concentric to the chucking diameter. The pull back feature insures the work piece is against an axial locator which guarantees perpendicularity and parallelism. > ROTORSGEARSTAPERED WORK PIECESEXTENDED WORK PIECES Compensating UBLchucks work by utilizing a two piece actuator device which allowsthe chuck jaws to compensate for any eccentricity between the chucking diameter and the datum diameter. The centralizing device is...

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