Method of producing V-belt pulleys and spinning lathe for carryi

Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work

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B21D 2214

Patent

active

039628965

ABSTRACT:
Spinning method for producing V-belt pulleys comprising the steps of preforming the grooves, decreasing the width of the grooves by compression and finally shaping the grooves. The spinning lathe comprises an eccentrically mounted and axially movable inner roller forming a back up roller for the shaping roller.

REFERENCES:
patent: 2062415 (1936-12-01), Harrison
patent: 2685856 (1954-08-01), Wickwire et al.
patent: 3161222 (1964-12-01), Hendricks
patent: 3654790 (1972-04-01), Zatko
patent: 3852863 (1974-12-01), Killian

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