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不干胶标签常用的几种印刷方式介绍

来源:http://www.shengfengyinshua.com/ 日期:2020-09-18 发布人:shengfeng
1、凸印
1. Embossing
采用凸印印刷不干胶标签,印版为感光树脂凸版,印刷标签具有墨色饱满的优点,但现在凸版印刷设备档次差别较大,有的仍在使用圆压平凸印机,有的使用普通轮转凸印机,有的已采用了的斜背式、卫星式或机组式不干胶标签印刷机,所以在转型时不能一概而论。以凸印为主的不干胶印刷机,都具备印刷薄膜标签的能力,但需要与供应商联系,换一些相关部件,如增加伺服电机控制的张力控制系统、增设薄膜表面处理单元,一些的机器还可增加套准系统。
The self-adhesive label is embossed with photosensitive resin. The printing label has the advantage of full ink color. However, the grade of relief printing equipment is quite different. Some are still using circular flat embossing machine, some are using ordinary rotary embossing machine, some have adopted professional slant back type, satellite type or unit type self-adhesive label printing machine, so they can not be used in the transformation On the other hand. Professional self-adhesive printing machines mainly for embossing have the ability to print film labels, but they need to contact the supplier and change some related parts, such as adding a tension control system controlled by servo motor, adding a film surface treatment unit, and adding a registration system for some professional machines.
2、胶印
2. Offset printing
胶印是我国标签印刷厂印刷纸质不干胶的主要方式。胶印的特点是图文精细,层次丰富,适于大批量印刷,且印刷设备可一机多用,适合我国标签市场的特点。但单张纸胶印不适于印刷表面没有吸收性的薄膜,因为薄膜标签多为卷到卷印刷,需要挥发性干燥油墨。胶印可印制较厚的塑料材料,如模内标签、标签吊牌,但给机器加装uv固化装置,需要一笔不小的费用。
Offset printing is the main way of printing paper self-adhesive in label printing factories in China. The characteristics of offset printing machine are rich in graphic and text printing equipment, and suitable for large-scale printing. However, sheet fed offset printing is not suitable for non absorbent film on the printing surface, because film labels are mostly roll to roll printing, which requires volatile dry ink. Offset printing can print thick plastic materials, such as in mold label and tag tag tag, but adding UV curing device to the machine will cost a lot.
山东透明不干胶标签印刷
3、柔印
3. Flexographic printing
目前柔性版印刷品的质量不亚于胶印,甚至有其的地方。这种印刷工艺的优点是机器结构简单,成本低,印刷质量可与胶印、凹印相媲美,且具有比胶印产品墨层厚实的优点,柔印采用水性油墨和uv油墨,不污染环境。但由于柔性版的弹性较大,阶调再现性与凹版和普通凸版不同,柔性版印刷的高光到中间调的网点增大较大,印刷反差小,高光层次容易出现断层,在印刷精细图文标签时,为了弥补层次缺陷,高光部分可采用调频网点,暗调或中间调用调幅加网以提。没有柔印机的标签印刷厂可引进专用于不干胶标签印刷的层叠式窄幅柔性版印刷机,此印刷机适于薄膜标签印刷。
At present, the quality of flexo printing is no less than offset printing, and even has its own place. This printing process has the advantages of simple machine structure, low cost, printing quality comparable to offset printing and gravure printing, and has the advantages of thicker ink layer than offset printing products. Flexographic printing uses water-based ink and UV ink, which does not pollute the environment. However, due to the flexibility of flexographic printing, the gradient reproducibility is different from that of gravure and ordinary relief printing. The dot from highlight to intermediate tone of flexo printing is larger, the printing contrast is small, and the highlight level is prone to fault. When printing fine graphic labels, in order to make up for the hierarchical defects, the highlight part can use FM dot, dark tone or am screening in the middle. Label printing plants without flexographic press can introduce a laminated narrow flexographic press for label printing, which is suitable for film label printing.
4、不干胶标签
4. Self adhesive label
由于柔性版印刷机都采用圆压圆模切,模切辊价格高,制作周期长,仅适用于长版活,对于国内不干胶标签短版活需求量大的特点不适应。但它是一种容易转型的标签印刷设备,可与薄膜分切、缝合、封口工序联机工作。
Because flexographic printing press adopts circular die cutting, the die-cutting roller is expensive and the production cycle is long. It is only suitable for long-term printing, which is not suitable for the large demand of domestic adhesive label short printing. But it is an easy to transform label printing equipment, which can work online with film cutting, sewing and sealing processes.
由于标签印刷技术的不断完善,老式平压平模切机不能连续给纸的问题已经得到了解决,在速度、自动套准、印后联机工作等功能上面已经可以与成熟的圆压圆模切机相提并论,由于平压平模切机的模切刀容易制作、周期短、价格低,所以在短线活上面可以大大降低生产成本。
Due to the continuous improvement of label printing technology, the problem that the old flat die-cutting machine can not continuously feed paper has been solved. In terms of speed, automatic registration, online work after printing and other functions, it can be compared with the mature circular die-cutting machine. Because the die-cutting knife of the flat die-cutting machine is easy to make, the cycle is short and the price is low, so it can be greatly reduced in short-term work Low production cost.
5、凹印
5. Gravure printing
凹版印刷采用短墨路输墨系统供墨,卷筒料印刷,自动化程度很高,使用溶剂型油墨,墨层干燥迅速,是薄膜类印刷的重要选择。一般凹版印刷机速度较高,许多凹版印刷机的后端还配置滚筒模切装置,可进行模切、压痕,适于各种标签的印刷。但由于凹版制版周期长、制版费用昂贵,只适合于大批量的标签生产。
Gravure printing adopts short ink path ink feeding system to supply ink and print on Web. It is highly automatic. Solvent based ink is used to dry ink layer quickly. It is an important choice for film printing. Generally, the speed of gravure printing machine is higher, and many gravure printing machines are equipped with roller die-cutting device at the back end, which can carry out die cutting and indentation, and is suitable for printing various labels. However, due to the long period and high cost of gravure plate making, it is only suitable for mass label production.

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