Metal deforming – By deflecting successively-presented portions of work during... – To form helical coil or tube
Patent
1989-09-20
1992-06-02
Larson, Lowell A.
Metal deforming
By deflecting successively-presented portions of work during...
To form helical coil or tube
72131, 72 10, 72 22, B21F 300
Patent
active
051176688
ABSTRACT:
A system for controlling the feeding of wire to a workstation for the formation of a coil spring by means of at least one moveable work tool that is disposed at the workstation and that is selectively operated to move to different positions in the formation of a particular spring. The system includes a feed mechanism for feeding wire to the workstation and computer control means for controlling the feed mechanism to optimize the rate of spring making. The computer control means includes an entry means for setting predetermined characteristics regarding wire feed and work tool motion in constructing the particular spring. Work tool motion intervals are defined and the velocity of wire feed is maintained in a predetermined velocity range during the work tool motion interval, increasing in the velocity feed to a velocity greater than the predetermined velocity range outside of this work tool motion interval.
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Hallihan Timothy J.
Philpot Russell
Larson Lowell A.
McKeon Michael J.
Sleeper & Hartley Corp.
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