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凹印油墨干燥温度不要超过100℃
作者:admin 来源:http://www.sdhzyw.com 发布时间:2017-7-24 17:20:27 浏览次数:280

济南彩色设计印刷凹印油墨目前基本上都是溶剂型油墨,印刷时,操作者应根据承印材料的种类、印刷速度、图文面积、墨层厚度调整各单元的干燥温度。干燥温度不易过高,一般应控制在80℃以下,更高也不要超过100℃。否则会引起承印材料收缩,影响套准,过低则油墨干燥不良。

Gravure ink is basically solvent based ink, printing, the operator should be based on the type of printing materials, printing speed, graphics and text area, ink thickness to adjust the drying temperature of each unit. Drying temperature is not too high, generally should be controlled at 80 degrees below, the maximum should not exceed 100 degrees celsius. Otherwise, it will cause the material shrinkage, influence the registration, too low, the ink drying bad.

印刷品的反面,因堆放而粘有油墨,造成的原因是油墨中的溶剂,含有少量的高沸点的成分,致使溶剂蒸发速度过于缓慢,油墨中增塑剂及可塑性树脂过多,干燥装置不佳,印版着墨孔过深,印刷车间内相对湿度过大等。

Reverse printing, for depositing and sticky ink, cause ink solvent containing a small amount of high boiling point components, the solvent evaporation rate is too slow, too much plasticizer and plastic resin ink, printing ink drying device is poor, the hole is too deep, the relative humidity in the printing workshop too big.

排除的方法是选择溶剂脱离性好的树脂,减少油墨中的增塑剂、可塑性树脂的含量,适当加入反印防止剂,油墨中使用的溶剂尽量用沸点范围狭窄的溶剂。改进干燥装置,提高干燥效率。使用着墨孔浅的滚筒,并改善环境条件。

济南精装书制作价格

The exclusion method is to choose a good solvent from the resin, reduce the ink in the plasticizer content, plastic resin, adding anti India preventing agent, ink solvent used in a narrow range of solvent boiling point as far as possible. Improve drying equipment and improve drying efficiency. Use roller inking hole shallow, and improve environmental conditions.

引起印刷品上有刮痕的原因主要有刮墨刀损伤、刮墨刀加压不适当、刮墨刀角度不正确,油墨中混入异物、油墨粘度过高、油墨附着力太强、颜料粒子过于粗硬,印版滚筒有刮痕、凹凸不平、修正不良等。

The cause of scratches on the printed matter are scraping knife injury, scraping knife scraping knife, inappropriate pressure angle is not correct, the ink is mixed with foreign body, high viscosity ink, ink adhesion is too strong, the pigment is too coarse, the printing plate cylinder is uneven, scratch, repair is bad.

排除的方法是使用不含异物的油墨,使用剩墨前先过滤,调整油墨的粘度、干燥性、附着性,使用优质的刮墨刀,调整刮墨刀的压力及角度,修正印版滚筒。

The exclusion method is the use of free foreign ink, using ink left before filtration, adjust the ink viscosity, drying, adhesion, the use of high-quality scraping knife, pressure and adjust the angle of the scraping knife, fixed plate cylinder.

.调整压印滚筒 印版滚筒上好后即可调整压印滚筒。针对不同承印物,压印滚筒的印刷压力不同。例:玻璃纸、塑料薄膜,印刷压力为1~5Pa。铜板纸、薄卡纸,印刷压力为8~15Pa。白板纸等印刷压力为20-30Pa。

Adjust the impression roller, the plate cylinder can be adjusted after the impression cylinder. For different substrates, the printing pressure of the impression roller is different. Example: cellophane, plastic film, printing pressure of 1 ~ 5Pa. Copper paper, thin paperboard, printing pressure of 8 ~ 15Pa. Whiteboard, paper and other printing pressure of 20-30Pa.

本文的精彩内容来自济南彩色设计印刷详细内容请点击我们的官方网站: http://www.sdhzyw.com/谢谢您的到来!

The highlights of this article are from Ji'nan color design printing, please click on our official website: http://www.sdhzyw.com/, thank you for coming!