Apparatus for and method of facing surfaces

Turning – Process of turning

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Details

82128, 82131, 408147, 409179, B23B 504

Patent

active

057751889

ABSTRACT:
A portable facing head comprises a feed body portion in threaded engagement with lead screws that extend through the feed body. The lead screws are translated through the feed body by a worm gear enclosed within the feed body wherein the worm gear is rotated by action of a star feed. The star feed is rotated by contact with a cam member extending outwardly from a torque bar positioned adjacent the feed body such that upon rotation of the feed body about a rotational axis, the star feed is incrementally rotated by the cam member thereby effecting incremental rotation of the worm gear and incremental linear translation of the lead screws through the feed body. Directional movement of the lead screws through the feed body is selectively set at forward, reverse or zero during rotation of the feed body by manipulation of a torque arm handle to position the cam member.

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