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画册印刷套印不准原因分析!

  在相册打印中有很多不可预知的打印问题,一些人为因素,一些机器故障,一些天气原因,还有承印物的原因,让我们来看看相册打印套印的具体影响。

  In album printing, there are many unpredictable printing problems, some human factors, some machine failures, some weather reasons, and the causes of substrate。 Let's see the specific impact of album printing overprint。

  在套印中,有些印版属于金属材料,安装在印刷机的滚筒上,印版的压力会有轻微的变形,尤其是在长度和宽度方面会对套印的印版有一点影响,不是造成套印的原因。

  In overprinting, some plates belong to metal materials. When they are installed on the cylinder of the printing machine, the pressure of the plates will slightly deform, especially in terms of length and width, which will have a little impact on the overprinted plates, not the cause of overprinting.

  印版厚度和印版表面尺寸的变化也是造成套印相册印刷错误的原因,当印版安装在滚筒上时,必须人工弯曲。当金属物体被弯曲时,就会形成一个中性层,表面的内部被压缩,外部被拉伸。这就会使板的前后具有不同的半径,而表面的张力较大,造成“塌缩”现象,导致板的大小表面伸长。

  The change of plate thickness and plate surface size is also the cause of overprinter album printing error。 When the plate is installed on the cylinder, it must be bent manually。 When a metal object is bent, a neutral layer is formed, the interior of the surface is compressed, and the exterior is stretched。 This will make the front and back of the plate have different radii, and the surface tension is large, resulting in "collapse" phenomenon, leading to the elongation of the size surface of the plate。

  通过以上原因我们没有办法解决,那么在保证位置准确的时候,使用更小拉力值,减少拉版次数,使用厚度一致的印版。在印刷中要减少调整印版的数量,如一定要调整,也要遵循一个明确的方向,宁可少不可多,位置一定要准确,不要用力孟,否则印版很容易变形。

  Through the above reasons we have no way to solve, then in order to ensure the position is accurate, use the minimum tension value, reduce the number of plate pulling, and use the plate with the same thickness. In printing, it is necessary to reduce the number of adjustment plates. If it is necessary to adjust, it is also necessary to follow a clear direction, rather less than more, the position must be accurate, and do not use force, otherwise the plates will be easily deformed.

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  未印半成品的尺寸和规格应与印版相符。为了保证套印的准确性,叠纸机工作人员在叠纸前应进行抽样测试,看是否符合规格和印版尺寸。特别是在季节变化、室温和湿度不稳定的情况下,应引起充分重视,如果发现纸张尺寸超过允许的公差范围就不应印刷,需要重新调整湿度,以免造成套印和纸张问题。

  The dimensions and specifications of the unprinted semi-finished products shall be consistent with the plates. In order to ensure the accuracy of overprinting, the paper folding machine staff should carry out sampling test before paper folding to see whether they meet the specifications and plate sizes. Especially in the case of seasonal changes, room temperature and humidity instability, it should be paid full attention to. If the paper size is found to exceed the allowable tolerance range, it should not be printed. The humidity needs to be readjusted to avoid overprinter and paper problems.

  每台打印机使用的印版在安装之前都应该仔细检查。所有的印版应具有相同的尺寸,并在可能的情况下具有相同的厚度。

电竞平台  The plates used by each printer should be checked carefully before installation. All plates shall be of the same size and, where possible, of the same thickness.

  相册套印也有错的原因是承印物,纸张也占了很大一部分原因,尤其是在季节温度和湿度不一样的环境下很容易导致套印错误的原因。纸是由天然植物纤维交织成的一层薄薄的材料,具有很强的亲水性。而且,由纤维交织而成的纸具有无数不同粗细的毛细孔,对水有毛细的吸附作用,所以,纸是吸水性很强的材料。

  Album overprinting is also wrong because of the substrate, paper also accounts for a large part of the reason, especially in the seasonal temperature and humidity is not the same environment easily lead to overprinting errors. Paper is a thin layer of material interwoven with natural plant fiber, which has strong hydrophilicity. Moreover, the paper made of fiber interweaved has numerous pores of different thicknesses, which have capillary adsorption on water. Therefore, paper is a material with strong water absorption.

  图形打印记录不准确导致有时也在人类,有时条件下的切割刀不锋利,图片专辑和刀有点影响,所以这个区域是可以避免的,只要检查不觊觎一次性切割工具切割很多情况下是可以避免的,上面的一些小细节,画册印刷套印不准的印刷机和处理经过仔细仔细,以避免这些情况的发生。

  The inaccuracy of the graphic printing records sometimes results in that the cutting knife is not sharp, and the image album and knife have some influence。 Therefore, this area can be avoided as long as the inspection does not covet the cutting of the disposable cutting tool。 In many cases, it can be avoided as long as the small details above, the printing machine and processing of the inaccurate overprint of the album are carefully done to avoid these situations It happened。


 
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