Self-adjusting multistage wiredrawing machine

Details Self-adjusting multistage wiredrawing machine Self-adjusting multistage wiredrawing machine

1992-05-12

1993-09-28

Crane, Daniel C.

Metal deforming

By pulling workpiece through closed periphery die

Utilizing plural metal-deforming tools

72280, 72288, 72289, 242 4701, B21C 110, B21C 112

Patent

active

052478238

ABSTRACT:
A wiredrawing machine is composed of a plurality of stages in cascade, each stage comprising a die (13) through which passes the wire (14) which is partially wound around a motor-driven tension pulley (12). The tension pulley (12) is kinematically connected to a gear wheel (21) which meshes with a pinion (20) supported by a lever (23) to enable it to rotate around the outer edge of the gear wheel (21) . Keyed onto the pinion (20) is a first pulley (19) around which winds a section of a belt (18) driven by a second expanding pulley (17) driven by a motor (16). The lever (23) is connected to spring members (24) which rotate the pinion (20) around the gear wheel (21) in a direction in which it tightens the belt (18).

REFERENCES:
patent: 2162357 (1939-06-01), Pierce
patent: 2179348 (1939-11-01), Penney
patent: 2252352 (1941-08-01), Pierce
patent: 2986353 (1961-05-01), McCoy

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