Winding a Uniform Roll on a Two-Drum Rewinder
Compute the roll un-weighting curve for a
2-Drum Rewinder to
rewind tissue parent rolls to produce rewound rolls with a
uniform bulk, and with minimal loss of bulk.
METHOD OF SOLUTION
"UNWAYT" Computer Program computes the desired unwighting and the psi curves, given the rewinder geometry and loading system.
MEASURE OF SUCCESS
In light-dry-crepe (LDC) process, the target roll diameter in a Perini winders in the converting department was achieved without the need for extra sheets.
In re-crepe process, the diameter/density consistency in the small roll winding operation significantly improved the wrapping operation.
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