Web tension control system

Details Web tension control system Web tension control system

1975-09-15

1977-04-05

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 2522

Patent

active

040157946

ABSTRACT:
In a web tension control system in which web drawn from a variably braked roll passes through a festoon, a selected amount of web is maintained in the festoon by variably braking the roll. The system maintains accurate control of the festoon dancer position over a wide range of web tensions and roll diameters by means of a separate control loop whose output is a relatively slowly changing voltage proportional to the average deviation of the festoon dancer from its selected reference position.

REFERENCES:
patent: 3283228 (1966-11-01), Asseo
patent: 3416058 (1968-12-01), Hill et al.
patent: 3497154 (1970-02-01), Lasarev et al.
patent: 3713009 (1973-01-01), Poppinger et al.

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