Web auto-splicer

Details Web auto-splicer Web auto-splicer

B - Operations, Transporting

65

H

B65H 19/18 (2006.01) B65H 19/16 (2006.01) B65H 19/24 (2006.01)

Patent

CA 2058979

ABSTRACT With the splicing get started, braking becomes strong and the old core decelerates, when the capstan roll comes to be free run. The speed reference to the second motor is a summed-up speed of "line speed minus capstan speed 2 and compensated portion of the tension. At once when the old core starts deceleration, the accumulation roll unit starts moving. The capstan roll is accelerated at a certain rate, when the new core is drawn out, up until the speed reaches "line speed Plus overrun speed". When the accumulation roll unit reaches the synchronous position, the overrun becomes "0" and the capstan roll synchronizes with the line speed.

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