Metal deforming – With use of control means energized in response to activator... – Sensing tool or tool-linked part
Patent
1976-01-22
1978-10-17
Larson, Lowell A.
Metal deforming
With use of control means energized in response to activator...
Sensing tool or tool-linked part
72 23, 72 22, 72 21, 72421, 83396, 83 72, 100 99, B21D 4302, B21J 746
Patent
active
041201850
ABSTRACT:
A control system for controlling operating steps of a press and/or transfer mechanism therefor in dependence upon the position of a drive shaft of a drive mechanism of the press. The system includes a coded pulse generator supplying coded pulses indicative of the position of the drive shaft to a decoder from which decoded pulses are supplied to a control pulse distributor to an amplifying unit and appropriate regulating member for regulation of the operating step. A monitoring unit is also provided for monitoring the operation of the control system.
REFERENCES:
patent: 2909769 (1959-10-01), Spaulding
patent: 3080840 (1963-03-01), De Man
patent: 3285044 (1966-11-01), Gregson et al.
patent: 3329806 (1967-07-01), McCauley
patent: 3442168 (1969-05-01), Gatto
patent: 3451299 (1969-06-01), Pretty et al.
patent: 3600993 (1971-08-01), Williams
patent: 3795851 (1974-03-01), Gage et al.
patent: 3862564 (1975-01-01), Blase
Product Engineering; Aug. 21, 1961; Frank Yeaple, "A Round-Up of Angle and Position Measuring Transducers" pp. 33--42.
Braitinger Helmut
Schneider Franz
Schumann Burkhard
Gurley D. M.
L. Schuler GmbH
Larson Lowell A.
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