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印刷工艺Printing Methods

1、烫金工艺

烫金工艺的表现方式是将所需烫金或烫银的图案制成凸型版加热,然后在被印刷物上放置所需颜色的铝箔纸,加压后,使铝箔附着于被印刷物上。

烫金纸材料分很多种,其中有金色的、银色、镭射金、镭射银、黑色、红色、绿色等等多种多样。

2、覆膜工艺

覆膜工艺是印刷之后的一种表面加工工艺,是指用覆膜机在印品的表面覆盖一层透明塑料薄膜而形成的一种产品加工技术。经过覆膜的印刷品,表面会更加平滑、光亮、耐污、耐水、耐磨。

3、凹凸压印工艺

该工艺是利用凸版印刷机较

的压力,把已经印刷好的半成品上的局部图案或文字轧压成凹凸明显的、具有立体感的图文。凹凸压印工艺多用于印刷品和纸容器的后加工上,除了用于包装纸盒外,还应用于瓶签、商标以及书刊装帧、日历、贺卡等产品的印刷中。

4、UV防金属蚀刻印刷工艺

UV防金属蚀刻印刷又名磨砂或砂面印刷,是在具有金属镜面光泽的承印物(如金、银卡纸)上印上一层凹凸不平的半透明油墨以后,经过紫外光(UV)固化,产生类似光亮的金属表面经过蚀刻或磨砂的效果。

UV防金属蚀刻油墨可以产生绒面及亚光效果,可使印刷品显得柔和而庄重、高雅而华贵。

1, bronzing process the performance of the stamping process is the pattern of gold or silver needed to be made into a raised plate heating, and then placed on the printed material on the aluminum foil paper of the required color, pressure, so that the aluminum foil attached to the printed material. There are many kinds of gilding paper materials, including gold, silver, laser gold, laser silver, black, red, green and so on.

2. laminating process laminating process is a post-printing surface processing technology, is the use of laminating machine in the printing surface of a layer of transparent plastic film formed by a product processing technology. After covering the printed matter, the surface will be more smooth, bright, stain-resistant, water-resistant, wear-resistant.

3. gravure-embossing process this process utilizes the pressure of a letterpress press press press to press the local patterns or words on the printed semi-finished product into a clear and three-dimensional picture and text. GRAVURE and convex embossing process is mainly used in the post-processing of printing materials and paper containers. Besides packaging paper boxes, it is also used in the printing of bottle label, trademark, book binding, calendar, greeting card and so on.

4. UV ANTI-METAL ETCH PRINTING PROCESS UV anti-metal etch printing, also known as Matte or sand surface printing, is to have a metal mirror surface gloss substrate (such as gold, silver card paper) printed on a layer of uneven translucent ink, after ultraviolet (UV) curing, produce a similar bright metal surface after etching or sanding effect. UV anti-metal etching ink can produce Suede and matte effect, so that the printing appears soft and solemn, elegant and luxurious.

印刷工艺流程Printing Processings

1.设计稿。设计稿是对印刷元素的综合设计,包括图片、插图、文字、图表等。目前在包装设计中普遍采用电脑辅助设计,以往需要精确的黑白原稿绘制过程被省去,取而代之的是运用电脑对设计元素进行编辑设计。
2.照相与分色。对于包装设计中的图像来源,如插图、摄影照片等,要经过照相或扫描分色,经过电脑调整才能够进行印刷。目前,电子分色技术产生的效果精美准确,已被泛应用。
3.制版。有凸版、平版、凹版、丝网版等,但基本上都是采用晒版和腐蚀的原理进行制版。现代平版印刷是通过分色成软片,然后晒到PS版上进行拼版印刷的。

4.拼版。将各种不同制版来源的软片,分别按要求的大小到印刷版上,然后再晒成印版(PS版)进行印刷。

5.试印。晒版后的印版在打样机上进行少量试印,以此作为与设计原稿进行比对、校对及对印刷工艺进行调整的依据和参照。
6.印刷。根据合乎要求的开度,使用相应印刷设备进行大批印刷。
7.加工成型。对印刷成品进行压凸、烫金(银)、上光过塑、打孔、模切、除废、折叠、黏合、成型等后期工艺加工。

1. Design draft. Design draft is a comprehensive design of printing elements, including pictures, illustrations, text, diagrams and so on. Computer-aided design is now commonly used in packaging design, where the need for accurate black and white original drawing is eliminated and computer editing of design elements is used instead.

2. Photography and color separation. For the packaging design of the image source, such as illustrations, photographs, to be photographic or scanning color separation, through computer adjustment can be printed. At present, electronic color separation technology has been widely used for its exquisite and accurate effect.

3. Plate making. There are relief, lithography, intaglio, screen, but basically are using the principle of exposure and corrosion plate. Modern lithographic printing is through color separation into film, and then to the PS plate on the combination of printing.

4. Collages. Will be a variety of different plate-making source film, according to the size of the respective requirements to the printing plate, and then print into a printing plate (PS plate) for printing.

5. Trial Printing. A small amount of test printing is made on the printing plate after printing, which can be used as the basis and reference for comparing, proofreading and adjusting the printing process with the original design.

6. Printing services. According to the requirements of the opening, the use of the appropriate printing equipment for mass printing.

7. Kill. Processing Molding. On the printing finished products for embossing, bronzing (silver) , glazing through plastic, punching, die-cutting, waste, folding, bonding, molding and other post-processing.

印刷分类Printing Classifications

平版印刷又称为胶印,是一种最常用的印刷方式它是由早期石版印刷发展而来的,此后又改进为用金属锌或铝做版材,其特点是印纹部分与非印纹部分同处在一个平面上,利用油水相斥的原理,把图像印刷到一个橡皮胶印滚筒上,再由滚筒把图像印到纸上。胶印机有多个印刷装置,可以传送不同的颜色。平版印刷套色准确、制版简便、成本低廉、色调柔和、层次丰富。

凸版印刷是最早发明的,并且是一种最古老的印刷技术,其特点是将版面凸出部分的图像和文字上色后直接印在纸上。它的应用原理就像盖图章,凸起的地方着墨,直接印在承印物上。这种印刷方式不能印制多层次、色彩丰富的印刷品,其表现力受到很大制约,而对印刷大面积的单色印刷品具有优势。

凹版印刷是一种快速发展的印刷方式,它的原理与凸版印刷正好相反,印纹部分凹于版面,非印纹部分则是平滑的。凹下去的部分用来装填油墨,印前将印版表面的油墨刮擦干净,放上纸张并施以压力后,凹陷部分的印纹就被转印到了纸上。

凹版印刷具有油墨厚实色调丰富、版面酣印度强、颜色再现力强等优点。应用范围广泛,适合各种印刷材料和大批量印刷,但制版费用高,制版工艺较为复杂,不适合于小批量印刷。常用于画面精美的包装印刷。

孔版印刷又叫丝网印刷,即用丝网做版材的一种印刷方式。具体的方法是在印版上制作出图文和版膜两部分,版膜的作用是阻止油墨的通过,而图文部分则是通过外力的刮压将油墨漏印到承印物上,从而形成印刷图形。其原理为,在平面的版材上挖割孔穴,然后施墨,使墨料透过孔隙漏印到承印物上。

孔版印刷的范围广泛,从大型广告到名片都可以印制,而且可以在纸张、棉布、丝绸、塑料、玻璃、木材、金属等各种材质的承印物上印刷。比如:我们常见的汽车上的字体的印刷、外包装盒上图文的印刷等,尤其在包装容器的瓶体印刷上具有优势。

数码印刷是一项综合性很强的技术,涵盖了印刷电子、电脑、网络通信等多个技术领域。所谓数码印,就是电子档案由电脑直接传送到印刷机,取消了分色、拼版、制版、试车等步骤,对于印量不大(不足1000份)的四色印刷作业非常有效,从输入到输出,整个过程可以由一个人控制,实现一张起印。

Lithographic printing, also known as offset printing, is one of the most commonly used printing methods. It was developed from early lithographic printing and has since been improved to use metal zinc or aluminum plates, its characteristic is that the image is printed on a rubber offset printing cylinder by the principle of oil-water repulsion, and then the image is printed on the paper by the cylinder. An offset press has multiple printing devices that transmit different colors. Lithographic printing register accurate, plate-making simple, low cost, soft color, rich levels.

Relief Printing is the earliest invention and one of the oldest printing techniques, characterized by the printing on paper of images and text from the projection of the page. Its application principle is like a seal, raised place ink, directly printed on the substrate. This kind of printing method can not print multi-level, colorful printing, its performance is greatly restricted, and printing large area of monochrome printing has advantages.

INTAGLIO printing is a rapid development of the printing method, its principle and relief printing is the opposite, the print part of the gravure plate, the non-print part is smooth. The concave part is used to fill the ink. Before printing, the ink on the printing plate is scraped clean, put on the paper and pressed, the concave part of the image is transferred to the paper.

Gravure printing has the advantages of thick ink, rich color, good print quality and good color reproduction. Widely used, suitable for a variety of printing materials and mass printing, but plate-making cost is high, plate-making process is more complex, not suitable for small-batch printing. It is often used for the packaging and printing of exquisite pictures.

The hole plate printing is also called the Silk Screen Printing, namely uses the silk screen to do the plate one kind of printing way. The specific method is to make a printing plate and plate film two parts, plate film is to prevent the ink through, and the part of the picture and text is through the external force of scraping the ink leakage to the substrate, thus forming a printing pattern.

The principle is to cut holes in the plane plate, and then apply ink, so that the ink through the hole leakage to the substrate. Hole printing a wide range of printing, from large advertising to business cards can be printed, and can be printed on paper, cotton, silk, plastic, glass, wood, metal and other materials on the substrate. For example: We are common on the Car Font Printing, on the outer packaging box graphics and text printing, especially in the packaging container bottle printing has the advantage. Digital Printing is a comprehensive technology, covering printing electronics, computers, network communications and other technical fields.

The so-called digital printing, that is, electronic files are transferred directly from the computer to the printing machine, eliminating the steps of color separation, plate-making, test run and so on. It is very effective for four-color printing operations with a small print volume (less than 1000 copies) , from input to output, the whole process can be controlled by a single person to achieve a printing.

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