Apparatus and method for reducing the diameter of a cylindrical

Details Apparatus and method for reducing the diameter of a cylindrical Apparatus and method for reducing the diameter of a cylindrical

1993-06-09

1994-10-04

Larson, Lowell A.

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

72214, B21B 2100

Patent

active

053515153

ABSTRACT:
A rocker mill includes a pair of roll dies rotatably mounted in a structure and having tapered circumferential grooves for receiving a workpiece. A support is provided for supporting the structure so that it is longitudinally movable relative to the support. The support is rotatably mounted on a frame. A reciprocating driving apparatus is provided for reciprocating the roll dies longitudinally relative to the support through a reduction stroke and a smoothing stroke. A rotating driving apparatus is provided for rotating the roll dies around a longitudinal axis of a workpiece. A method of forming reduced diameter tubing is also described.

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