Method and apparatus for controlling eccentricity of rolls in ro

Details Method and apparatus for controlling eccentricity of rolls in ro Method and apparatus for controlling eccentricity of rolls in ro

1975-05-29

1977-08-02

Mehr, Milton 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 21, B21B 3700

Patent

active

040388484

ABSTRACT:
A roll eccentricity control apparatus for use with an automatic gage control device of gage meter type for a rolling mill comprising rolls for rolling the material to be rolled, a hydraulic jack for providing the rolls with rolling pressure, a flow rate control valve and a valve control device for adjusting the roll gap by controlling the quantity of oil in the hydraulic jack, a setting device for applying a desired gage command to the valve control device and a gap detector for detecting the roll gap and feeding back the detected value to the valve control device; said apparatus comprising a correlation detector for detecting the correlation between the rolling pressure and a reference signal wave obtained from a roll rotation signal, a memory for storing the output of the correlation detector, and a device for retrieving the correlation output stored in the memory by the use of a signal associated with the rotation of the rolls and applying a command to the gate control device.

REFERENCES:
patent: 3460365 (1969-08-01), Howard
patent: 3543549 (1970-12-01), Howard
patent: 3709009 (1973-01-01), Shiozaki et al.
patent: 3792360 (1974-02-01), Carlow
patent: 3881335 (1975-05-01), Cook
patent: 3882705 (1975-05-01), Fox

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