Rider roll relieving system

Details Rider roll relieving system Rider roll relieving system

1987-11-12

1989-03-14

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 751, 242 7551, B65H 1708

Patent

active

048119156

ABSTRACT:
A rider roll relieveing system includes a microprocessor for controlling the rider roll force applied to a roll of web material being wound which in turn controls the roll's density or hardness. The operator programs into the system the desired rider roll force or load at the start of the wind and a first diameter at which the rider roll relief is to begin. Also, the ending load at a second diameter at which relieving is to finish is programmed into the system. The microprocessor then provides for the progressive elief of the load as function of the roll's diameter, geometry, and weight between the two prestablished diameters to provide the desired hardness or the roll. The rider roll force is maintained constant until the web has been wound to the first diameter and after it has obtained the second diameter. The system digitally displays the winding roll's diameter and the rider roll force during the winding operation.

REFERENCES:
patent: 3599889 (1971-08-01), Pfeiffer
patent: 3937410 (1976-02-01), Justus

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