Special designed multi-shaft running automatic rewinding device; Pneumatic shaftless unwinder.
特殊多轴旋转式自动收料机构；气压无轴式原料座。
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At each unwinder the film wraps around a load-cell-mounted roller, which monitors the film tension, providing the feedback signal for electronic automatic closed-loop tension control.
After the analyse of the whole rolling scene, the partitions of the scene are: the global picture of system, the picture of unwinder, the picture of loop and so on, which are controlled separately.