Method of controlling winding tension

Details Method of controlling winding tension Method of controlling winding tension

1979-05-22

1980-12-09

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 2320

Patent

active

042380847

ABSTRACT:
A method of winding a sheet into a roll by the center drive system, comprising the step of detecting a winding tension, the step of calculating the detected value by comparison with a desired tensile value conditioned by a dimension of the winding roll as based on a winding length growing with the progress of the winding, and the step of controlling the winding tension by the compared and calculated value. The tensile control adopts a theoretical equation in which the winding length is a variable and for which certain conditions are taken into consideration. The detected winding tension is compared with the preset appropriate tensile value, and is calculated in an analog or digital system so as to control a winding torque. The tensile control is accomplished by a torque actuator which is coupled to a winding axis.

REFERENCES:
patent: 3241785 (1966-03-01), Barrett
patent: 3595492 (1971-07-01), Furst
patent: 3701493 (1972-10-01), Welsch et al.
patent: 3749331 (1973-07-01), Nedreski
patent: 3749988 (1973-07-01), Pittner
patent: 3780961 (1973-12-01), Kahwati
patent: 3809327 (1974-05-01), Osman
patent: 3809335 (1974-05-01), Mantey

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