Control method and apparatus for rolling mill

Details Control method and apparatus for rolling mill Control method and apparatus for rolling mill

1984-06-28

1986-01-28

Husar, Francis S.

Metal deforming

With use of control means energized in response to activator...

Metal deforming by use of roller or roller-like tool element

72 16, 72 17, 72 19, 72249, B21B 3700

Patent

active

045662991

ABSTRACT:
In a rolling mill having a pair of upper and lower work rolls, defining a pressure gap therebetween through which a material is passed to be rolled, a method and apparatus for controlling the rolling mill under the different peripheral-speed rolling operation in which one of the rolls is driven at a predetermined peripheral speed by controlling the speed of a motor for driving the one roll, and the other roll is controlled to generate a torque corresponding to a difference, between a total torque required for the rolling operation and a torque generated by the one roll by controlling the torque of the motor for driving the other roll on the basis of a torque command corresponding to the torque difference.

REFERENCES:
patent: 4145901 (1979-03-01), Imai et al.
patent: 4145902 (1979-03-01), Imai et al.
patent: 4365496 (1982-12-01), Shiozaki et al.

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