Unwind Systems

The purpose of the unwind system is to unwind a material roll for use in a converting machine. Material is drawn into the process at a constant tension. A second unwind station is provided for loading a new material roll while the active roll (first unwind station) is expiring. The system can splice the material rolls without stopping the converting equipment.

A simplified unwind system consists of two air spindles,
a splice unit, a web accumulator and driven rolls.
Threads and elastics are unwound using different methods depending on whether the raw material is spooled or festooned in a box.

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