NC Coil spring manufacturing apparatus

Details NC Coil spring manufacturing apparatus NC Coil spring manufacturing apparatus

1977-04-05

1978-09-12

Combs, E. M.

Metal deforming

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

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

72132, 72138, 72142, B21F 304, B21F 1100

Patent

active

041127218

ABSTRACT:
The NC coil spring manufacturing apparatus of this invention is an apparatus for manufacturing a variety of coil springs according to predetermined programs controlled by instruction signals transmitted from a microcomputer, comprising a pitch feed mechanism for enabling a pitch tool to start and stop quickly for and at an end turn processing position, a diameter tool feed mechanism for enabling a coiling point to shift quickly against the thrust by an element wire, a means for digitally measuring the dimensions of a wound coil spring, and a means for selecting the coil spring according to the result of such measurement, and employing a pulse motor for driving feed rollers for element wire, controlled by the computer and requiring only a simple control circuit; thus manufacturing precise and uniform coil springs efficiently.

REFERENCES:
patent: 3433041 (1969-03-01), Cavagnero et al.
patent: 3610006 (1971-10-01), Scheublein et al.
patent: 3641794 (1972-02-01), Lidert
patent: 3906766 (1975-09-01), Sato
"Electronic Control of Wire Forming", Stanley J. Brym, Springs Magazine, May 1969, pp. 21-25.

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