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How do paper roll slitter rewinder machine to caculate rolls diameter?

November 14,2022

Many clients always ask me how the Binbao paper roll slitter reiwnder machine to calculate the unwinder or rewinder rolls diameter? Is it accurate?

Measuring the diameter of the rolls is not only a production requirement, but also affects the performance of the slitter rewinder machine.

In the process of unwinding, the drive motor of the main machine continuously outputs force to pull the material forward. Because of inertia, if the unwinding is not braked, then the mother roll unwinding speed will be faster and faster.So how much force does the unwinding brake need to output to control the speed of unwinding? This force depends on the diameter of the master roll. The smaller the roll diameter, the smaller the force required.The reel diameter of the winding is getting bigger and bigger. The winding motor determines the diameter of the winding by detecting the number of revolutions of the winding shaft, and thus outputs the corresponding tension.

Therefore, we can find that the diameter detection of the paper jumbo or bopp opp film roll slitting and rewinding machine is done by the motor, system, sensor, etc.

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