Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1986-07-24
1988-09-20
Spruill, Robert L.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 11, 72 17, 72205, 72252, 226 24, 226119, B21B 124, B21B 3902, B65H 2024, B65H 2034
Patent
active
047716215
ABSTRACT:
Speed differential is detected between the entrance side and exit side of a looper, which is provided either on the feed side or on the delivery side of a central processing unit in continuous processing equipment and operates as a continuously supplying mechanism of steel plate, and positional relationship of movable rollers of the looper is detected, which virtually serves to diminish the speed differential, with reference to stationary rollers. By regulating the position of the movable rollers based upon the result of a calculation from the detected signals, the speed of the transported steel plate is controlled. First calculating apparatus calculates a relative speed differential based on the measurement of the looper entrance-side and exit-side speeds and the looper position and second calculating apparatus for calculating the optimum entrance-side speed based on the calculated result by the first calculating apparatus and the measured exit-side speed.
REFERENCES:
patent: 2797089 (1957-06-01), Lorig
patent: 3613975 (1971-10-01), Knight
patent: 3734370 (1973-05-01), Shumaker
patent: 4360137 (1982-11-01), Noe et al.
patent: 4474321 (1984-10-01), Komoto et al.
Katz Steven B.
Mitsubishi Denki & Kabushiki Kaisha
Spruill Robert L.
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