| 摘要 |
Apparatus is provided for simultaneously rotating and axially feeding an elongated workpiece past an induction heating inductor. The apparatus includes a collet having a passageway therethrough defined in part by radially displaceable fingers normally providing an opening of a diameter smaller than the smallest diameter of the workpiece. A workpiece is pushed through the collet and the collet is simultaneously rotated for the fingers to rotate the workpiece as the latter slides axially along the fingers.
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