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影响画册印刷的因素是哪些?
作者:admin 来源:http://www.sdhzyw.com 发布时间:2016-8-30 17:17:26 浏览次数:309
①橡皮布
The blanket
生产中常用的是气垫橡皮布和普通橡皮布两种,当与印版合压接触时,由于橡皮布表面有一定的吸附性能,印版表面附着的润版液有一部分转移到橡皮布表面。表面失去部分润版液就需要及时补充,补充量的大小就会出现平衡与不平衡的问题。
Production is commonly used in ordinary air cushion rubber blanket and blanket two, when the pressure in contact with the plate together, as the blanket surface has certain adsorption performance, fountain solution plate attached to the surface of a part of the transfer to the blanket surface. Loss of surface part of the fountain solution will need to be promptly added, the amount of the size of the supplement will appear the problem of balance and imbalance.
②着水辊
Water roll
着水辊是直接与印版接触并同时供应润版液的主要部件,它与印版的接触压力过重会损伤图像部分,润版液不能正常地均匀涂布印版,容易出现“花版”。若接触压力过轻,印版表面润版液涂布不正常,形成一种类似涂布的情况,印版表面明显出现“花版”现象。
With water roll and a printing plate is the main component of direct contact and at the same time the supply of fountain solution, and the contact pressure plate heavy damage part of the image, the fountain solution not normally uniformly coated plates, prone to "flower version". If the contact pressure is too light, the printing plate surface run version of the liquid coating is not normal, the formation of a similar coating, the printing plate surface obviously "flower version" phenomenon.
③印版图文面积
Graphic area of a printing plate
印版表面所需润版液用量的大小与图文面积有直接关系。图文面积大,相对空白的面积就小;图文面积小,相对空白的面积就大。在一般情况下,图文面积大的印版需要的润版液用量就少,反之润版液的用量就多。
The size of the fountain solution used in the printing plate surface is directly related to the picture and text area. Large graphic area, relative to the blank area is small; the picture and text area is small, the relative blank area is big. In general, a large area of the printing plate need to run version of the liquid amount is less, and vice versa fountain solution.
④墨层厚度
The ink layer thickness
印刷品的墨层厚度与印版表面润版液用量的大小有一定的关系。提高印刷墨层的厚度有两种途径:一是润版液的用量大小不变,加大油墨量;一是油墨量大小不变,减小润版液用量。这两种途径其道理是一样的,它们都是在“油包水”的条件下提高了油墨的含量,减少了版面上油墨中细小水滴的含量,从而达到提高墨层厚度的目的。
The ink layer thickness of the printed matter has a certain relationship with the size of the surface of the printing plate. There are two ways to increase the thickness of the printing ink layer: one is that the quantity of the fountain solution is constant, the quantity of ink is increased, the quantity of ink is constant, and the amount of ink is reduced. The two way is the same reason, they are in the "oil in water" conditions to improve the ink content, reducing the layout on the tiny drops of ink in the content, so as to improve the ink thickness to.
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This article is from Ji'nan to promote a single page printing to provide you with, our website is: http://www.sdhzyw.com we will be dedicated to provide you with a more quality service, welcome your visit!