Winding – tensioning – or guiding – Convolute winding of material – With particular drive
Patent
1995-09-14
1997-03-18
Nguyen, John Q.
Winding, tensioning, or guiding
Convolute winding of material
With particular drive
242534, 2425423, B65H 1814, B65H 1826
Patent
active
056115008
ABSTRACT:
A mechanism and method for the continuous winding of a web of paper into rolls including a shear type load cell for measuring the horizontal component of the reactive force on the winding drum with the output of the load cell being used to control the nip pressure between the winding drum and the roll being wound. Another load cell measures the tension of the incoming paper web, and this measurement is subtracted to give the net nip pressure. An initial reading is taken when the core on which the web is to be wound is lowered onto the load cell and an initial reading is taken to provide the index point of the weight of the core and reel, and when the core is being pivoted downwardly over the drum, the vertical and horizontal components with the total nip load are calculated to control the nip load. Thus, the nip load is carefully controlled at all positions to provide an improved drum winder obtaining controlled nip load and controlled density of the roll being wound.
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Beloit Technologies Inc.
Campbell Raymond W.
Mathews Gerald A.
Nguyen John Q.
Veneman Dirk J.
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