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不干胶印刷的烫金工艺是怎么样的?

不干胶标签是在生活,工作等多个方面应用非常广的一种材料,不干胶的烫金工艺也是多种多样,接下来就其做下简单介绍:

  Self-adhesive label is a kind of material which is widely used in many aspects such as life, work and so on. There are many kinds of non-adhesive stamping processes. Next, I will briefly introduce them.

  烫金方法根据不干胶标签的加工方式,其烫金方法分为单张纸烫金和卷筒纸烫金。单张纸烫金向传统的烫金工艺相同,在专用烫金机上加工。卷筒纸烫金是在标签联动机上完成的,是应用广泛的一种加工方式。目 前,卷筒材料烫金有以下几种方式:

  The bronzing method is divided into sheet paper bronzing and roll paper bronzing according to the processing method of the sticker label. Single sheet paper gilding process is the same as traditional gilding process, which is processed on special gilding machine. Roll paper stamping is accomplished on label linkage and is a widely used processing method. At present, there are several ways of bronzing drum materials:

  ①标签机上平压平烫金凸版标签印刷机无论是平压平还是圆压平型设备,由于卷筒纸间歇给纸,所以烫金全部采用平压平方式。一般情况下烫金工位为独立的单元,也有一些机型烫金向模切共用一个单元,分开使用。

  (1) Flat-pressing and gilding relief label printing machine on label machine, whether flat-pressing or round-pressing equipment, because of the intermittent feeding of web paper, the flat-pressing and square-pressing method is used for all gilding. Generally, the stamping station is an independent unit, and some models share a unit for stamping and die cutting, which is used separately.

  ②多工位平压平烫金有些机型有两个工位的烫金单元,如日本Shiki的SMHC-45-MWL标签机,其一个单元靠近印版,完成横向烫金,另一个单元为独立单元,完成纵向烫金。该机型可同时进行双色烫金。

  (2) Multi-station flat stamping has two-station stamping units in some models, such as SMHC-45-MWL label machine in Shiki, Japan. One unit is close to the plate to complete horizontal stamping, and the other unit is independent unit to complete vertical stamping. The machine can be used for two-color bronzing at the same time.

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  ③加工机上平压平烫金加工机是专为加工印刷后的卷筒标签和不需印刷的标签而设计的。烫金是加工机的一个功能、加工机上的烫金装置普遍采用平压平方式,其工作原理同上述标签机。

  (3) The flat pressing and stamping machine on the processing machine is specially designed for the processing of printed drum labels and labels that do not need to be printed. Hot stamping is a function of the processing machine. Flat pressing and square pressing are commonly used in the stamping device on the processing machine. Its working principle is the same as that of the label machine mentioned above.

  ④轮转机上圆压圆烫金圆压圆烫金所用的烫金版为滚筒状,烫金时与压印滚筒对滚接触,实现烫金。圆压圆烫金适合在连续式输纸的轮转型标签机上使用,但对输纸速度有一定的要求,也就是说对印刷速度有影响。但相对于平压平烫金,大大提高了效率。圆压圆烫金辊制造成本高,所以只适合长版活烫金。

  (4) The gold plate used for round pressing and gilding on the rotary machine is in the shape of a cylinder. When gilding, it contacts with the impression cylinder to realize gilding. Round stamping is suitable for continuous paper feeding wheel transformation label machine, but it has certain requirements for paper feeding speed, that is to say, it has an impact on printing speed. But compared with flat stamping, it greatly improves the efficiency. Because of the high manufacturing cost of round pressing and gilding roll, it is only suitable for long-plate live gilding.

  ⑤轮转机上冷烫金这是一种烫金新工艺,不再使用加热后的金属印版,而是利用印刷粘合剂的方法,使金属箔转移,实现烫金。工艺流程是:在印品需要烫金的位置先印上UV压敏型粘合剂,经UV干燥装置使粘合剂干燥,而后使用特种金属箔同压敏胶复合,再剥离金属箔,于是金属箔上需要转印的部分就转印到了印刷品表面,实现冷烫金。冷烫金工艺成本低,节省能源,生产效率高,可利用现有的设备部件,不需增加附加装置,是一种很有发展前途的新工艺。

  _Cold stamping on the rotary machine is a new technology of stamping. It no longer uses the heated metal plate, but uses the method of printing binder to transfer the metal foil and realize stamping. 工艺流程是:在印品需要烫金的位置先印上UV压敏型粘合剂,经UV干燥装置使粘合剂干燥,而后使用特种金属箔同压敏胶复合,再剥离金属箔,于是金属箔上需要转印的部分就转印到了印刷品表面,实现冷烫金。 Cold stamping process has the advantages of low cost, energy saving and high production efficiency. It can make use of existing equipment and components without adding additional devices. It is a new process with great development prospects.


 
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