Instruction For Tension Control Of Solventless Lamination Machine

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pinkledstone

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1. During the solvent-free composite, the requirements for tension control are higher than that of ordinary compounds. The main reason is that there is no solvent composite initial adhesion, and the operational control is difficult, which may lead the quality problems. In addition, the solvent-free composite speed is much higher than the dry lamination machine. During the solvent-free composite, the tension after the thin film is slightly greater than the main arrangement, and the winding tension is greater than the rewinding tension. The winding taper is controlled within 20%. For different materials, each part of the tension control is different, and even the film of the same material produced by different manufacturers, its tension has to be slightly adjusted.
2. In the solventless composite, not only the accuracy of the tension control system, the matching of the tension between the two composite rolls is emphasized. Under the current technical conditions, many tension control systems have very high accuracy performance, which can meet the needs of solventless composite production. However, in the process of solventless composite operation, this is often encountered, which the matching of the two-layer materials is more difficult, which not only requires a good tension control system but also carefully understand the material features. More accurately, the tension of solvent-free composite requires that the elongation of the two-layer rolls is consistent by controlling the tension to ensure that the two-layer material does not occur the relative slip during the solventless composite.
3.The rewinding tension and pressure are the key to solventless composite tension control. Since the combination of the composite film and the overall condition of the material roll, are determined by the rewinding tension and pressure, adopting the segmentation independent tension and segment tension taper are the most ideal control mode.
It should be noted that the segment tension taper is mainly to compensate for the need for linear tension to the requirements of different material winding tension. Different tension tips can be effectively guaranteed to ensure the neatness of the winding while reducing the generation of core wrinkles.
https://www.sinstarsl.com/articles/detail/tension-control-of-solventless-lamination-machine.html
Posted 28 Apr 2021

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