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Why the slitters need use friction air shaft differential air shaft rings?

Why the slitters need use friction air shaft differential air shaft rings?

Why the slitters need use friction air shaft differential air shaft rings?

The slip shaft(differential air shaft) is composed of multiple slip rings(friction rings). During rewinding, the slip ring is controlled to slip with a certain value of slip torque, and the amount of slip just compensates for the resulting speed difference. In this way, the tension of each roll of material is accurately controlled, and the material is wound with a constant tension to ensure the quality of the winding.

The slip function is to wind up multiple rolls of material on one shaft at the same time, because the thickness of the material is uneven. Some of the coils are loose, some of the coils are tight, and the tight ones will slip and eliminate the tension to achieve the desired winding effect. The Differential air shaft adjusts the tension by adjusting the air pressure so that the entire shaft is at a stable value. When the material we are winding is too tight, the slip ring will slip with the shaft to achieve an ideal elastic state, and this loose tension is related to the magnitude of the air pressure, and finally to the magnitude of the tension.

The Differential air shaft can be described by a very visual example: the normal air shaft is multi-roll material on one service shaft, and the differential air shaft is multi-roll on multiple service shafts.Normal air shaft(one person) can't make the multi-roll material reach the ideal state at the same time, but the differential air shaft (multiple people) can work hard for an ideal standard at the same time, achieving the ideal winding effect.

 

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Helen Shen

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