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烫金工艺烫印的镭射烫金压力
作者:admin 来源:http://www.sdhzyw.com 发布时间:2016-12-13 17:08:28 浏览次数:829
烫金压力是实现金箔转移到纸张上的重要条件。由于烫金时产品需要垫压处理,经垫压处理后的烫金图案的表面不可避免地存在有细微的凹凸状及厚薄不均的情况,若印刷压力不均匀时,版面上的印刷油墨必然会出现浓淡不均,网点变形、发虚,严重时会出现印刷不上的现象。
The pressure is transferred to the hot stamping foil paper on the important condition. The bronzing products need to pad surface treatment, after treatment by inevitable pressure pad stamping pattern there are uneven thickness and slight uneven, if uneven printing pressure, printing ink on the screen will appear uneven shades, dot deformation, virtual, printed on the phenomenon will be serious.

一般说来,烫金的压力不宜过大,但也不能太小。如果烫金的压力过大,胶印的处理办法是在橡皮布的背面、压印滚筒、包衬上进行局部垫压,但是这种方法不但耗时较多,而且也会对胶印设备造成损伤。而烫金压力太小,会造成电化铝与纸张的粘附强度不够而引起电化铝“反拉”和“掉粉”。

济南宣传单页印刷

Generally speaking, the pressure should not be too large, but it can not be too small. If the blocking pressure is too large, the solution is in the back of the offset blanket, lining, nano imprint lithography drum on local pad, but this method is not only time-consuming, but also can cause damage to the printing equipment. The hot stamping pressure is too small, will cause the electrochemical aluminum and paper adhesion strength is not enough to cause the "anti pull" and "drop out"".
由于胶印的垫版相对比较复杂且不易操作,较好的做法是从烫金上解决:
Due to the relatively complex and not easy to operate, the better way is to solve the:
提高烫金版的表面平整度
Improve the smoothness of the surface of the hot stamping plate
尽量减少烫金的局部垫压
Try to reduce the partial pressure of hot stamping
在烫金垫压时避免陡坡出现
In hot stamping pressure to avoid steep slopes appear
使烫金的压力与胶印压力合理匹配
Matching the pressure of hot stamping and offset pressure
应特别注意的是,烫金在进行局部垫压时,造成在同一块版上的压力不均,胶印印刷时会造成“印刷不实”,这时必须进行压力处理。在进行的压力处理时,会出现“一个版面上几种色相”的现象。所以,在烫金垫压时尽量不要在一个图案上采取局部垫压的补压方式。
Special attention should be paid to the local pad when stamping, resulting in the same piece of pressure on the plate, offset printing will cause "printing is not real", then the pressure must be processed. In the treatment of pressure, there will be one page of several color "phenomenon. So, as far as possible in the stamping pad pressure on a pattern to take the local pad pressure.
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This article from Ji'nan to promote a single page printing to provide help, more relevant content please click: http://www.sdhzyw.com we will be the details for you to answer!