彩印简介
彩印乃是以直接或间接方法,将图像或文字原稿制为印版,在版上涂以色料印墨,经加压将色料印墨转移于纸张或其他承印物上,而迅速大量复制的一种工业工程。
Color printing is a kind of industrial engineering, which uses direct or indirect method to make the original image or text into a plate, coat the plate with color printing ink, transfer the color printing ink to paper or other printing materials under pressure, and quickly and massively duplicate.
现在彩印一般采用平板印刷。
Nowadays color printing is usually done with flat panel printing.
平版印刷有时也叫化学印刷,意思是说印刷图像与印刷版位于同一平面上。它是基于“油水不相混”的原理实现印刷的。此印刷类型是通过机械或手工把图像呈在石头或金属表面,然后对该表面进行化学处理使得图像部分亲墨,而其他空白部分不亲墨。印刷时,只有亲墨的图像部分转移到纸张上,形成印迹。照相版印刷、影印石版和胶印都属于平版印刷。
Lithography is sometimes called chemical printing, which means that the printed image is on the same plane as the printed version. It is based on the principle of "oil-water mixing". This type of printing is to render an image on a stone or metal surface by mechanical or manual means, and then chemically treat the surface so that part of the image is ink-friendly, while the other blank parts are not ink-friendly. When printing, only the image part of the ink is transferred to the paper to form imprinting. Photographic printing, lithography and offset printing are all lithographic printing.