Apparatus for controlling winding tension

Details Apparatus for controlling winding tension Apparatus for controlling winding tension

1984-01-12

1985-04-02

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 2320

Patent

active

045082847

ABSTRACT:
An apparatus for winding a sheet into a roll by the center drive system, comprising a device for detecting a winding tension, a device for 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 a device for 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: 3061228 (1962-10-01), Andrade
patent: 3595492 (1971-07-01), Furst
patent: 3663806 (1972-05-01), Drankhan et al.
patent: 3871598 (1975-03-01), Kataoka
patent: 3910521 (1975-10-01), O'Callaghan
patent: 4052599 (1977-10-01), Whiteley et al.

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