Control system for unwind machine

Details Control system for unwind machine Control system for unwind machine

1996-08-27

1999-11-30

Jillions, John M.

Winding, tensioning, or guiding

Tension control or brake

Supply controlled

226 42, 226112, 2424172, B65H 23192

Patent

active

059927895

ABSTRACT:
An unwind machine has three tension free loops between the paper roll that is unwinding and the utilization device that must be fed paper at a rate that varies widely. One loop is conventionally controlled, and the other loops act in sequence to accommodate progressively larger ranges of web speed at the utilization device while maintaining rotational speed changes at the paper roll within reasonable limits.

REFERENCES:
patent: 2105824 (1938-01-01), Simonds
patent: 3258261 (1966-06-01), Vath et al.
patent: 3870215 (1975-03-01), Schiffer
patent: 5188580 (1993-02-01), Rutledge et al.
patent: 5320266 (1994-06-01), Noe et al.

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