A parent roll goes through additional processes or rewinding at a later stage of production. Can be generated by the torque of the primary or secondary drive.
TENSION CONTROL: Controlling the amount of tension applied to the web to create a tightly wrapped roll.
TORQUE CONTROL: Controlling the amount of torque applied to the reel drum or reel spool.
First we'll describe what good roll structure is, then we'll review some terminology.
The parent roll must be wound up to be just as tight as to endure reeling, storage including roll transfers and later unwinding.