Manufacturing method of disk for belt-driven continuously-variab

Details Manufacturing method of disk for belt-driven continuously-variab Manufacturing method of disk for belt-driven continuously-variab

1989-05-12

1990-08-14

Echols, P. W.

Metal working

Method of mechanical manufacture

Wheel making

474188, 474 8, 82 111, B21K 142

Patent

active

049475339

ABSTRACT:
A method for manufacturing a disk for a belt-driven continuously-variable-speed drive of the type which includes a metal belt disposed in engagement between mutually facing sheave surfaces which form a V-groove, including the steps of machining each sheave surface with a numerical control lathe to form therein a spiral groove that is centered about the center of the pulley and has a surface roughness within the range of 0.8-0.4 microns, and thereafter super finishing the sheave surfaces to produce residual stress therein.

REFERENCES:
patent: 2187188 (1940-01-01), Whitcomb
patent: 2892354 (1959-06-01), Amonsen
patent: 4754908 (1988-07-01), Tanaka et al.

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