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墨层较厚和较薄都会造成彩色印刷拖墨
作者:admin 来源:http://www.sdhzyw.com 发布时间:2018-5-9 15:10:03 浏览次数:262

  济南彩色设计印刷过程中会出现许多的问题,例如:堆墨:油墨或其他物质沉积在墨辊或橡皮布上,形成浮雕状的沉积物,影响油墨和印迹转移。脱墨:金属墨辊受湿润液侵蚀发生氧化而排斥油墨的现象。重影:在印刷品上同一色网点、线条或文字出现的双重轮廓。

  There are many problems in the process of printing, for example: the ink or other substances are deposited on the ink roll or rubber cloth to form embossed sediments that affect the transfer of ink and imprinting. Deinking: metal ink roller is attacked by wetting liquid and oxidized to repel ink. Ghosting: a double outline of the same dots, lines, or characters on printed matter.

  印刷是使用印版或其他方式将原稿上的图文信息转移到承印物上的工艺技术,也可以理解为使用模拟或数字的图像载体将呈色剂/色料(如油墨)转移到承印物上的复制过程。

  Printing is a process that uses a plate or other way to transfer the graphic information from the original to the substrate. It can also be understood as a process of transferring the color agent / color (such as ink) to the substrate using an analog or digital image carrier.

  拖墨与胶液分裂转移时的黏性有关,胶液的黏性越大,越容易出现拖墨现象。速度慢,则胶液浸润墨层的时间长,容易导致拖墨现象。这在含透明油墨的印刷膜上胶时尤其要注意。当上胶辊压力过大时或胶辊产生抖动造成局部压力过大等,就会使油墨牢牢地附着在网纹辊上,导致产生拖墨故障。

济南彩色设计印刷

  The viscosity of the towing ink is related to the splitting and transfer of the glue. The greater the viscosity of the glue is, the easier it is to drag the ink. When the speed is slow, the time that the glue infiltrates the ink layer is long. This should be noted when gluing the printing film containing transparent ink. When the pressure of the top roller is too large, or the jitter of the rubber roll causes the local pressure to be too large, the ink will be firmly attached to the reticle roll, resulting in the malfunction of the ink.

  油墨附着力极差,墨层可能局部被整块拉下,而且油墨会附在胶液盘里,导致胶液浑浊,变脏。油墨网辊网点边缘接触的点受到压力比较集中,而且还受到一些拉伸位移作用力,如果油墨的附着力、耐磨力不良的情况下回出现油墨被拖花现象。

  Ink adhesion is very poor, ink layer may be partially pulled down, and ink will be attached to the liquid disk, causing colloid turbidity, dirty. The point of contact of dot edge of ink net roller is concentrated by pressure, and it is also subjected to some tensile force. If the adhesive force and wear-resistance of ink are bad, the ink is dragged back.

  以上便是济南彩色设计印刷今天的分享,您还满意吗,欢迎关注我们的网站:http://www.sdhzyw.com并且关注我们的产品,我们将为您提供优良的产品,衷心的愿与您建立合作关系。

  The above is Ji'nan color design and printing today's sharing, are you satisfied, welcome to our website: http://www.sdhzyw.com and pay attention to our products, we will provide you with excellent products, sincerely wish to establish a cooperative relationship with you.