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墨杠产生的原因及消除办法是什么

2018-11-29 13:26 点击:
墨杠指的是在印刷平网或实地印刷时,印版版面及印件上出现轴向的一条条明显的深条痕,俗称“黑条杠”或者“黑条头”。
(1) 滚筒齿轮使用年久磨损,应重新更换一组新齿轮。
The drum gears are worn out for a long time and a new set of gears should be replaced.
(2) 印刷压力过大或印版滚筒与橡皮滚筒间的压力太大,应调整适当的压力。
If the printing pressure is too high or the pressure between the plate cylinder and the blanket cylinder is too high, the proper pressure should be adjusted.
(3) 齿轮间嵌有纸毛、墨皮等污物。应清除齿轮间各种污物,加入新的齿轮润滑油,加强对机器的清洁保养工作。
Contaminants such as paper, ink, and the like are embedded between the gears. The dirt between the gears should be removed, and new gear lubricants should be added to enhance the cleaning and maintenance of the machine.
(4) 印版与靠版辊之间压力过大,应调节靠版辊与印版的压力。
Contaminants such as paper, ink, and the like are embedded between the gears. The dirt between the gears should be removed, and new gear lubricants should be added to enhance the cleaning and maintenance of the machine.
(5) 靠版辊表面凹凸不平或辊芯弯曲、不直,应更换新的墨辊。
 If the surface of the plate roller is uneven or the core is bent or not straight, a new ink roller should be replaced.
(6) 油墨过稀,应加入适量的0#调墨油,以增强油墨的粘性。
If the ink is too thin, an appropriate amount of 0# varnish should be added to enhance the viscosity of the ink.
(7) 纸张粗糙,表面强度差。应勤洗橡皮布,并在油墨中加入6#调墨油以降低油墨的黏度,减轻纸张脱粉、掉毛的程度。

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