Spring coiling machine

Details Spring coiling machine Spring coiling machine

1995-10-18

1998-01-13

Larson, Lowell A.

Metal deforming

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

To form helical coil or tube

72145, B21F 310, B21F 304

Patent

active

057066876

ABSTRACT:
A spring coiling machine has a rotary feed assembly with a servo motor for driving the feed rolls mounted therein and forming a part thereof. Substantially all tooling including a coiling tool, a pitch tool and an auxiliary arbor are also servo motor operated with three axes of servo control provided for the coiling tool. The auxiliary arbor has a plurality of wire forming positions and is also servo motor controlled.

REFERENCES:
patent: 2276579 (1942-03-01), Halvorsen et al.
patent: 2765022 (1956-10-01), Bergevin
patent: 4026135 (1977-05-01), Yagusic et al.
patent: 5243746 (1993-09-01), Shinichi
patent: 5363681 (1994-11-01), Speck et al.

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