Mill control

Details Mill control Mill control

1979-11-13

1981-09-01

Mehr, Milton S.

Metal deforming

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

Sensing tool or tool-linked part

72243, B21B 3700, B21B 1314

Patent

active

042864488

ABSTRACT:
The invention relates to a control system for setting the crown and/or steer on the rolls of a cluster mill such that the adjustment collars are all driven together but substantially in the desired final ratio to one another throughout the movement. The control system derives a separate control signal for driving each eccentric collar. The circuits for deriving the control signals include means for deriving from crown and steer magnitude signals, a series of crown and steer datum signals, one for each collar, which are proportional to the respective magnitude signals in selected ratios, the crown ratios being preselectable by a selection means and means for progressively increasing the magnitude signals from zero to the desired value.

REFERENCES:
patent: 3528274 (1970-09-01), Rostelli
patent: 4022040 (1977-05-01), Turley
patent: 4156359 (1979-05-01), Verbickas

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