Arrangement for fabricating double conical springs

Details Arrangement for fabricating double conical springs Arrangement for fabricating double conical springs

1980-11-12

1984-01-10

Combs, E. Michael

Metal deforming

By deflecting successively-presented portions of work during...

With modification or control of temperature or work, tool or...

72137, 72139, B21F 310, B21F 3502

Patent

active

044246951

ABSTRACT:
An arrangement for producing double conical springs from heated rod-shaped material, in which one side of a conical-shaped spring is formed with a cylindrical end corresponding to the largest winding diameter. The end is then shaped to a conical form. After being transferred from a spring winding station to an end roll-in unit, the spring is clamped, and a shaping member is inserted radially into the spring, and moved against a stop. With the aid of a roll-in head, the cylindrical spring end is conically formed. After the shaping member is radially removed from the spring, the latter is released and transported to a hardening process.

REFERENCES:
patent: 16483 (1857-01-01), Harrison
patent: 603175 (1898-04-01), Collins
patent: 964701 (1910-07-01), Scott
patent: 2335423 (1943-11-01), Knoop
patent: 2456755 (1948-12-01), Terrell
patent: 2922220 (1960-01-01), Sacchini
patent: 3906766 (1975-09-01), Sato

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