The Shanghai Department of Si Industrial Equipment Co. Ltd.

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Winding

Friction roller must be always precisely decelerated with the diminishing the diameter of roll which is being wound up.

During this stage, constant web tension is considered to play a key role in acccomplishing uninterrupted winding.The braking force is set by PLCs or PACs, which is supposed to keep tension stable. Even if during the different winding phases, braking force still could be regulated and hardly fluctuate.

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