Method and device for controlling contact pressure on touch roll

Details Method and device for controlling contact pressure on touch roll Method and device for controlling contact pressure on touch roll

1978-05-12

1979-04-24

Hornsby, Harvey C.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 752, B65H 1702, B65H 2300

Patent

active

041507975

ABSTRACT:
In a sheet winder for winding sheet material into rolls while holding the sheet roll in contact with a touch roller, the contact pressure between the sheet roll and the touch roll is maintained constantly at the optimum magnitude by a method which comprises determining the uncompensated contact pressure owing to the weight of the sheet roll and the rocking arm on which the sheet roll is supported, comparing the uncompensated contact pressure with an optimum contact pressure predetermined on the basis of various properties of the material of the sheet being wound and adjusting the actual contact pressure to the optimum contact pressure.

REFERENCES:
patent: 2872126 (1959-02-01), Rockstrom et al.
patent: 3599889 (1971-08-01), Pfeiffer
patent: 3604649 (1971-09-01), Dorfel
patent: 3670980 (1972-06-01), Mukai et al.
patent: 3687388 (1972-08-01), Pfeiffer
patent: 3844502 (1974-10-01), Toy
patent: 3977619 (1976-08-01), Nagata et al.

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