Rolling mill looper control system

Details Rolling mill looper control system Rolling mill looper control system

1980-03-31

1981-12-29

Mehr, Milton S.

Metal deforming

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

Including plural sensors or sensor responsive to comparison...

72205, 226 25, B21B 3706, B65H 2500

Patent

active

043075916

ABSTRACT:
In a hot strip rolling mill a velocity damping compensator circuit is added to the current regulating loop of the looper motor drive generating a torque on the looper arm mechanism between roll stands, thereby to prevent disturbances when applying the looper arm and looper roller against the strip being rolled.

REFERENCES:
patent: 2192044 (1940-02-01), Lessmann
patent: 2363684 (1944-11-01), Montgomery
patent: 3169422 (1965-02-01), Sims et al.
patent: 3237439 (1966-03-01), Torrance
patent: 3332263 (1967-07-01), Beadle et al.
patent: 3399556 (1968-09-01), Bensema et al.
patent: 3848443 (1974-11-01), Peterson
patent: 4033492 (1977-07-01), Imai
patent: 4162624 (1979-07-01), Morooka et al.

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