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標簽印刷制版應該注意什么?

來源:http://tjanamera.com/ 日期:2021-02-11 發布人:shengfeng 標簽印刷制版注意事項:用柔性版印刷的標簽其圖文部分主要以實地、線條、文字等為主,所采用的承印材料大都為紙張、鋁箔、塑料薄膜、不干膠等。用水溶性或溶劑型油墨印刷吸收性承印材料時,經過紅外熱風烘干作用,材料會出現抽漲現象,從而影響套印精度,因此,在考慮印刷色序時要慎重,避免發生此類問題。
Notes for label printing and plate making: the graphic part of label printed by flexographic printing is mainly field, line, text, etc., and the printing materials used are mostly paper, aluminum foil, plastic film, self-adhesive, etc. When water-soluble or solvent-based ink is used to print absorbent substrate material, the material will swell after drying by infrared hot air, which will affect the overprint accuracy. Therefore, we should be careful when considering the printing color sequence to avoid such problems.
標簽印刷制版含有大面積實地的色版應盡可能地放在靠后的單元中印刷,因為承印物在吸收了大量油墨后再經過紅外烘干,實地單元的抽漲變化比其他單元自然要大一些,對印刷過程中套印的影響也較大,若將此類單元放在文字、線條后印刷,或多或少會給套印帶來一定的積極影響。如果必須將實地部分放在靠前的色組中印刷,可以有意識地將其上下方向上的補償稍稍做大一些,以彌補承印材料抽漲所帶來的損失,使得套印更加準確一些。
Label printing plate contains a large area of field color plate, should be placed as far as possible in the back of the unit printing, because the substrate after absorbing a lot of ink, and then after infrared drying, the field unit puff change is larger than other units, the impact of overprint in the printing process is also larger, if this kind of unit is placed in the text, line printing, more or less will give overprint belt To have a positive impact. If you have to print the field part in the front color group, you can consciously make the compensation in the up and down direction slightly larger, so as to make up for the loss caused by the substrate material inflation and make the overprint more accurate.
不干膠防偽標簽印刷
一、陷印
1、 Trapping
在制作柔性版時,一定量的陷印有利于印刷套準,前提是陷印大小合適。標簽印刷制版陷印設得過小或是不進行陷印處理,會造成印刷中出現套準不良(有漏白);而陷印設得過大則會在印品邊沿出現一個大的輪廓,以至于影響視覺效果,從而影響標簽的整體效果。
In the production of flexo, a certain amount of trapping is conducive to printing registration, provided that the trapping size is appropriate. If the trapping is set too small or not, it will cause poor registration (white leakage) in printing; if the trapping is set too large, a large outline will appear on the edge of the printed product, which will affect the visual effect and the overall effect of the label.
二、版式設計
2、 Layout design
由于柔印基本采用卷筒紙進行印刷,尤其是無接縫套筒技術的應用,大大節省了紙張,但有的柔印機并不能實現聯機模切,還是需要經過后續加工(裁切等)才能出成品,標簽印刷制版因此在對版面進行設就應充分考慮為后續加工留下充足的余量,不應片面考慮節紙率而忽略后續加工的合格率。
Because flexographic printing basically uses web paper for printing, especially the application of seamless sleeve technology, greatly saving paper, but some flexographic machines can not achieve online die cutting, or need to go through subsequent processing (cutting, etc.) to produce finished products, label printing plate making, so in the layout design, we should fully consider leaving sufficient margin for subsequent processing, should not be one-sided consideration Save paper rate and ignore the pass rate of subsequent processing.

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