Process for manufacturing an asymmetric pulley from a metal disk

Details Process for manufacturing an asymmetric pulley from a metal disk Process for manufacturing an asymmetric pulley from a metal disk

1991-02-04

1992-05-19

Echols, P. W.

Metal working

Method of mechanical manufacture

Pulley making

474166, 474168, B21K 142

Patent

active

051135841

ABSTRACT:
The hub part of a flat disk is clamped between the jaws of a chuck and a protruding circumferential part is formed against the chuck by a roller so that the formed material is distributed axially off-center with respect to the hub part. The formed material is then flattened by a further roller to form a cylindrical preform which is likewise axially off center with respect to the hub part. The preform is formed by a last roller to provide a circumferential area with a final profile for guiding a belt.

REFERENCES:
patent: 4874353 (1989-10-01), Matsuoka et al.
patent: 4936129 (1990-06-01), Lipper et al.

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