Method and apparatus for roller leveler

Details Method and apparatus for roller leveler Method and apparatus for roller leveler

1988-05-27

1989-12-19

Crane, Daniel C.

Metal working

Method of mechanical manufacture

Assembling or joining

29 33B, 29 33S, 72 12, 72 16, 72164, 228 57, 228158, 364472, B21D 102

Patent

active

048873438

ABSTRACT:
In a roller leveler having a number of work rollers, an improvement is proposed when a junction of metal web passes. Position detecting circuitry detects the junction of the metal web to output a detection signal. In response to the detection signal, an arithmetic unit applies an instruction signal to a depression control unit so that an amount of adjustment to be given to the metal web in the roller leveler is controlled to a suitable value.

REFERENCES:
patent: 3180122 (1965-04-01), Evans et al.
patent: 3279050 (1966-10-01), Simich
patent: 3395559 (1968-08-01), Ungerer
patent: 3750437 (1973-08-01), Fuji et al.
patent: 3771215 (1973-11-01), Williams et al.
patent: 3835681 (1974-09-01), Shumaker
patent: 3852983 (1974-12-01), Cook
patent: 4142237 (1979-02-01), Yamasaki
patent: 4335435 (1982-06-01), Miura

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