Metal deforming – By deflecting successively-presented portions of work during... – With cutting of work or product
Patent
1975-06-02
1976-08-03
Larson, Lowell A.
Metal deforming
By deflecting successively-presented portions of work during...
With cutting of work or product
83369, 83554, 83907, B21F 1100
Patent
active
039722147
ABSTRACT:
In a machine for manufacturing wire coils, wire is fed by a feeder and is shaped in a winding station to form a continuous helix the convolutions of which may adjoin each other or may be spaced predetermined distances apart. This continuous helix is cut by cutting means into wire coils having a predetermined length or number of convolutions. These coils may constitute springs or may preferably constitute electric resistance heating coils. To control the length of the wire coils, a sensing wheel is associated with the winding station and is driven by the wire and operates control means for controlling the cutting means in such a manner that the length of each severed coil is determined by the preset, measured wire length. To ensure an exact length measurement, the control device comprises a pulse generator, which is operated by the sensing wheel and produces pulses in dependence on the angular movement of the wheel, and a presettable counter for counting these pulses and for initiating the operation of the cutting means when a preset number of pulses have been counted.
REFERENCES:
patent: 2869640 (1959-01-01), Platt
patent: 3370495 (1968-02-01), Platt
patent: 3513741 (1970-05-01), Shallenberg
patent: 3783726 (1974-01-01), Marks
patent: 3814145 (1974-06-01), Gott et al.
Bleckmann & Co.
Kelman Kurt
Larson Lowell A.
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