Spring forming apparatus

Details Spring forming apparatus Spring forming apparatus

1998-02-25

2000-05-16

Butler, Rodney

Metal deforming

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

With cutting of work or product

72138, 72140, B21F 1100, B21F 300

Patent

active

060620544

ABSTRACT:
A first large drive gear for slider driving mechanisms and a second large drive gear for a tool rotating driving mechanism are disposed coaxially with an axis of a wire feeding quill and in parallel with a rear surface of a front base frame panel, and a single small drive gear and a plurality of small driven gears corresponding to a plurality of wire working units are disposed around each of these large drive gears. A plurality of slider driving mechanisms and at least one tool rotating driving mechanism are operated with a single common servomotor respectively.

REFERENCES:
patent: 4669289 (1987-06-01), Itaya
patent: 4893491 (1990-01-01), Ohdai et al.
patent: 4947670 (1990-08-01), Wu
patent: 5105641 (1992-04-01), Veit

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