Automatic spring formation apparatus

Details Automatic spring formation apparatus Automatic spring formation apparatus

1993-07-26

1995-09-26

Larson, Lowell A.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72137, 72138, 72140, 72450, B21F 3027, B21F 3502

Patent

active

054525985

ABSTRACT:
An automatic spring formation apparatus includes a base on which an upright work table is mounted. A number of linear motion spring formation tools and at least a curved motion spring formation tool are slidably mounted on the front working surface to work on a wire fed through a wire feed passage formed on the work table so as to form a spring by being driven by independent servo motors under the control of a computerized numeric control unit. The linear motion spring formation tools are movable on the front working surface in a linear way along a radial direction pointing out from the wire feed passage while the curved motion spring formation tool is not only linearly movable on the front working surface along a radial direction pointing out from the wire feed passage, but also rotatable about a pivot normal to the working surface so as to move in a combination of linear translation and angular rotation.

REFERENCES:
patent: 3906766 (1975-09-01), Sato
patent: 4587821 (1986-05-01), Sykes
patent: 4893491 (1990-01-01), Ohdai et al.
patent: 4947670 (1990-08-01), Wu
patent: 5127247 (1992-07-01), Baisch

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