Presses – Automatic or material triggered control – Of roll separation or speed
Patent
1976-02-26
1977-05-17
Feldman, Peter
Presses
Automatic or material triggered control
Of roll separation or speed
100162B, 100170, 29113AD, 29116AD, 72243, 72 20, B30B 1514, B30B 304
Patent
active
040234800
ABSTRACT:
An apparatus for controlling a deflection compensating press roll of a rolling mill having a pair of press rolls at least one of which is a deflection compensating roll having a support core, a roll shell rotatably mounted about the core, bearing means disposed between the core and the roll shell adjacent the shell ends, a plurality of support devices engaged between the core and the roll shell to exert forces therebetween and pressure means for pressing the rolls against each other, the control apparatus comprises a frame, a movable member mounted in the frame, means coupled with the support devices and the pressure means and responsive to the forces exerted thereby for exerting a force on the movable member which simulates the forces exerted by the support devices and the pressure means so that the movable member is maintained in an equilibrium position when the forces exerted by the support devices and the pressure means are substantially in equilibrium, means for sensing displacement of the movable member from the equilibrium position and means responsive to the sensing means for restoring the forces exerted by the support devices and pressure means substantially to equilibrium.
REFERENCES:
patent: 3077800 (1973-02-01), Taylor
patent: 3119324 (1964-01-01), Justus
patent: 3276102 (1966-10-01), Justus
patent: 3802044 (1974-04-01), Spillmann et al.
Escher Wyss Limited
Feldman Peter
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