保护膜切割时遇到的问题怎么处理? - 公司新闻

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保护膜切割时遇到的问题怎么处理?

发布日期:2019-09-03 作者:www.edkiller.com 点击:

  我们已经介绍了为什么需要对保护膜进行切割。下面是我们在切割保护膜的过程中经常遇到的一些问题的解释,以便在切割过程中便于加工。
  We have explained why we need to cut the protective film. The following is an explanation of some problems we often encounter in the process of cutting protective film, so as to facilitate processing in the process of cutting.
  1. 如何处理薄膜卷边和薄膜卷边轧制现象?
  1. How to deal with the phenomenon of film edge rolling and film edge rolling?
  原因:在裁切轻胶片时,胶片由于内部卷曲而产生边缘现象。
  Reason: When cutting light film, edge phenomenon occurs because of inner curl.
  解决方案:增加压扁辊的弧度,在薄膜边缘加入少量卫生级光滑粉末。
  Solution: Increase the radian of the flattening roll, and add a small amount of sanitary grade smooth powder to the edge of the film.
  2. 厚膜边缘翘曲的原因?
  2. Reasons for warping of thick film edge?
  卷膜边缘发生翘曲,厚膜边缘被卷绕叠加翘曲。通常的原因是刀太钝,导致切割时切口出现拉伸现象,导致薄膜线圈的边缘向外弯曲,复卷后发生翘曲,导致边缘翘曲。此时应及时更换切边刀,避免出现翘边现象。工具安装不当,卷取速度过快,卷取过紧也容易产生卷边。
  The edge of the film is warped, and the edge of the thick film is winded and superimposed. Usually, the reason is that the knife is too blunt, which leads to the stretching phenomenon of the incision during cutting, and causes the edge of the film coil to bend outward, warping after rewinding, leading to the edge warping. At this time, the edge cutter should be replaced in time to avoid the phenomenon of edge warping. If the tool is not properly installed, the coiling speed is too fast, and the coiling is too tight, the edge will be easily rolled.
  如何处理这些问题?
  How to deal with these problems?
  3.为什么膜卷会出现“爆裂筋”?
  3. Why does "bursting tendon" appear in membrane roll?
  由于膜厚公差的累积,“爆筋”是膜辊表面突出的突出物。这主要是电影本身导致的质量,质量指的是电影本身通过削减已经再次形成大型轴辊或切割成品的质量,如:膜厚度公差,电影圈状态,等等,所有的电影后切削体积具有重要影响的质量明显质量低劣的电影即使纵切复卷无法获得满意的质量。切割只是为了改善局部问题,而不是改变整个问题,要得到好的产品外观和缠绕质量,一方面在切割时进行适当的调整,另一方面,我们必须要求以前的成膜工艺来提高质量。
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  Due to the accumulation of film thickness tolerance, the "burst rib" is a prominent protrusion on the surface of the membrane roll. This is mainly caused by the quality of the film itself. Quality refers to the quality of the film itself, which has been re-formed by cutting large rollers or finished products, such as film thickness tolerance, film circle status, etc. All films with significant influence on the cutting volume after the film are obviously of poor quality, even if the vertical cutting and rewinding can not be satisfied. Quality. Cutting is only to improve the local problem, not to change the whole problem. In order to get a good product appearance and winding quality, on the one hand, appropriate adjustments should be made during cutting, on the other hand, we must require the previous film forming process to improve the quality.
  4. 为什么会出现皱纹?
  4. Why do wrinkles appear?
  卷膜底起皱只发生在卷膜的段,卷膜的起皱和条痕多而深,是由多种因素引起的。例如,在工艺参数、不同类型的切割机上,工艺参数的设置、方法、取值都是不同的。设备的性能和薄膜的内部性能对薄膜的切割和缠绕质量有很大的影响,但适当的工艺可以改善薄膜的纵纹、底皱等质量问题。不同的设备和不同规格的薄膜要采用合适的切割工艺,设备条件可以调整来弥补,但工艺调整时一定要小心。
  The wrinkling at the bottom of the rolled film only occurs in the first section of the rolled film. The wrinkling and streaks of the rolled film are many and deep, which are caused by many factors. For example, in the process parameters and different types of cutting machines, the setting, method and value of process parameters are different. The performance of the equipment and the internal performance of the film have a great influence on the cutting and winding quality of the film, but proper technology can improve the quality of the film, such as longitudinal lines and wrinkles. Different equipment and film of different specifications should adopt appropriate cutting technology. Equipment conditions can be adjusted to make up for it, but caution must be taken when adjusting technology.


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