Method for manufacturing a taper spring

Details Method for manufacturing a taper spring Method for manufacturing a taper spring

1979-06-18

1981-05-12

Larson, Lowell A.

Metal deforming

By use of 'flying tool' engaging moving work

Including orbitally-moving tool-face

72205, 72240, B21B 142

Patent

active

042664187

ABSTRACT:
A taper spring is manufactured by rolling which is achieved by a single-spindle planetary rolling mill having a shiftable upper roll and a planetary roll constructed by a main roll and a plurality of satellite rolls while applying predetermined longitudinal tension to a material by a drawing chuck located at the outlet side of the rolling mill and a pair of relatively movably feed rolls located at the inlet side of the rolling mill.

REFERENCES:
patent: 2995050 (1961-08-01), Karron et al.
patent: 3301032 (1967-01-01), Hirose
patent: 3820373 (1974-06-01), Shiguma et al.

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