Metal deforming – With use of control means energized in response to activator... – Including use of sensor responsive to information carried by...
Patent
1983-02-28
1984-10-16
Combs, E. Michael
Metal deforming
With use of control means energized in response to activator...
Including use of sensor responsive to information carried by...
72 34, 72137, 72138, 140103, B21C 5100, B21F 310, B21F 3502
Patent
active
044767021
ABSTRACT:
A machine for producing spiral springs whose ends are twisted around the adjacent coils includes inductive proximity switches 18, 19 for sensing the position of the wire end 3a of each spring 3 conveyed from a coil forming station A. The measurement results are fed to a preselector counter 21, and when deviations from the correct wire length exceed a certain predetermined number a regulating motor 23 adjusts a tool which determines the coil diameter of the spring.
REFERENCES:
patent: 4111241 (1978-09-01), Crown
Combs E. Michael
Spuhl AG
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