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How can the production of slitting machinery cause the surface of plastic woven bags to be uneven?

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How can the production of slitting machinery cause the surface of plastic woven bags to be uneven?

作者: 济南万鑫舜点击: Release Date: 2019-02-19 Author: Jinan Wan Xi Shun click:

What causes the uneven surface of the plastic woven bag

1) The wrinkled part of the upper traction roller.

After the woven cloth passes the first traction roller, the base part presents a slack convex hull as shown in the "arc-out part", and the slack convex hull passes through the second traction roller to form a "pressed dead fold".

(2) Causes of wrinkles on the upper traction roller.

The woven cloth is folded into a flat woven cloth by the stent of the stent. The two ends of the woven cloth and the vicinity of the woven cloth pass through the stent. If one side of the sparger is not in close contact with the woven cloth, under the action of the progressive force of the upper traction roller, the two ends and the other side have conflict resistance, so that the woven cloth at both ends and the other side is pulled within the elastic range. Long, without the side that is in contact with the spreader, there is no conflict resistance at the base or the conflict resistance is very small, so the woven cloth at the base is not stretched or stretched very little. In this way, it seems that the woven fabric that the traction roller advances is equal, but the woven fabric that is improved at both ends and the other side is a woven fabric that is more elongated, and the side that is not in contact with the spreader rod is less elongated. After passing the traction roller, there is no traction, the pulling force of the winding torque is much smaller than the traction, the elastic stretched woven fabric at both ends and the other side is shortened more, and the base woven fabric that is not in contact with the spreader rod is shortened. Less, in this way, the two ends and the other side become tight edges, and the side of the base that is not in contact with the spreader lever is slack. The slack amount forms a convex hull when it passes the upper traction roller. When the slack amount reaches a certain value, it will be pressed out.

编织袋切缝一体机

Related tags: woven bag cutting and sewing machine

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