System for decelerating the drive of a web-winding apparatus

Details System for decelerating the drive of a web-winding apparatus System for decelerating the drive of a web-winding apparatus

1982-01-13

1984-03-27

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 36, 242 57, 242 7551, 242 78, 72 8, B65H 1712, B65H 2532

Patent

active

044388896

ABSTRACT:
A process for decelerating the drive of a web-winding apparatus including a yardage counter for the wound web and a speedometer for the web to be wound, comprising setting a computer for the nominal length of the web which computer, on the basis of the nominal length and of the instantaneous web speed, causes the drive to slow down to a standstill with a preset degree of deceleration; comparing said degree of deceleration with two different curves of which one would result in the nominal length of the web being undershot while the other would result in its being overshot if either curve alone were effective after deceleration has been initiated; and by means of the computer resetting the degree of deceleration on the basis of said two curves and switching from one to the other whenever the instantaneous degree of deceleration indicates the nominal length would be undershot or overshot.

REFERENCES:
patent: 2968451 (1961-01-01), Schneider
patent: 3151507 (1964-10-01), Canova et al.
patent: 3161365 (1964-12-01), Johnson et al.
patent: 3208683 (1965-09-01), Thompson
patent: 3214110 (1965-10-01), Ross
patent: 3421708 (1969-01-01), Nicholson et al.
patent: 3518857 (1970-07-01), Hancock et al.
patent: 3553992 (1971-01-01), Harbaugh

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