Tool for preparing tube ends for welding

Details Tool for preparing tube ends for welding Tool for preparing tube ends for welding

1975-01-24

1976-12-28

Simpson, Othell M.

Turning

Process of turning

144205, 279 2R, 408 80, 408188, 408713, B23B 322

Patent

active

039994520

ABSTRACT:
A tool for preparing tube ends for welding comprising a rotary tool head connected to the drive shaft of an air motor driven angle drive unit, said tool head having a plurality of radially extending arms provided with inclined cutting edges operative, upon rotation of the tool head and axial advance thereof with respect to the tube, to chamfer or bevel the end of the tube for welding, said tool head further being provided with guide means for rotation of the tool head about the tube axis. One form of tool herein is further characterized in that the cutter carrying arms are radially adjustable for chamfering different sizes of tubes. Another form of tool herein is further characterized in that at least one of the cutters is indexable to a position wherein the cutting edge thereof is perpendicular to the axis of the tube to dress the end surface of the tube. Yet another form of the tool herein is further characterized in that the tool head guide means is firmly secured within the tube end and provides a guide bore along which the tool head is accurately guided for chamfering the ends of hard-to-cut tubes as of stainless steel or the like.

REFERENCES:
patent: 905305 (1908-12-01), Gage
patent: 2630725 (1953-03-01), Black
patent: 3229555 (1966-01-01), Castles, Jr.
patent: 3421492 (1969-01-01), Brown
patent: 3875832 (1975-04-01), Mayfield

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