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印刷用纸的保管与窍门!

来源:   日期:2021-03-27

印刷中纸张与之息息相关,纸张也分铜板纸、艺术纸,在印刷中纸张占据是一个大的费用,印刷厂对于纸张的存放也是一个关键的问题。
In printing, paper is closely related to it. Paper is also divided into copperplate paper and art paper. In printing, paper occupation is a big cost, and the storage of paper in printing factory is also a key problem.
纸张的保管是一项十分重要的工作,纸张在运输过程中,切不可从高处向低处抛掷,以免发生散件和损伤,纸件切勿竖立储运,应当一律平放,不宜在露天停放时间过久,要及时搬进车间或者仓库。
The storage of paper is a very important work. In the process of transportation, the paper must not be thrown from high to low, so as to avoid the occurrence of loose parts and damage. The paper should not be stored and transported vertically, but should be placed horizontally. It is not suitable to park in the open air for too long. It should be moved into the workshop or warehouse in time.
纸张防潮,纸张对空气的湿度非常敏感,纸张中的水份含量总是随着空气中湿度的变化而变化的。储存纸张的库房应当清洁,干燥,或者直接放在胶印车间里,纸堆要离开地面一段距离,要离开墙壁。储放处的室内相对湿度保持在60%-70%,而其室温应以18-22℃为适宜。
Paper moisture, paper is very sensitive to the humidity of the air, the moisture content of the paper always changes with the change of humidity in the air. Storage of paper warehouse should be clean, dry, or directly in the offset printing workshop, paper stack to leave the ground for a distance, to leave the wall. The indoor relative humidity of the storage place should be kept at 60% - 70%, and the room temperature should be 18-22 ℃.
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纸张必须避免阳光直接曝晒,否则将因纸张中水份被蒸发而发脆、发黄,同时会使纸张变形上翘。如果变形那么无法使用印刷。纸张防热。纸张不应当储放在温度过高的地方,当一般纸张受到超过38℃的高温时,其强度显着降低,而且要翘曲变形,特别是铜版纸则会粘结成块造成报废。纸张防折,纸张储存应平摊堆齐,避免一折三叠那样放置,堆放时,切不可使纸张的两端交错突出,否则突出部分容易变质。
The paper must avoid direct sunlight exposure, otherwise it will be brittle and yellow due to the evaporation of water in the paper, and it will make the paper warped. If it is deformed, printing cannot be used. The paper is heat proof. The paper should not be stored in the place where the temperature is too high. When the general paper is exposed to the high temperature of more than 38 ℃, its strength will be significantly reduced, and it will be warped, especially the coated paper will be bonded into blocks, resulting in scrap. Paper folding, paper storage should be flat stack, avoid a fold three fold as placement, stacking, must not make the two ends of the paper staggered prominent, otherwise the protruding part is easy to deteriorate.
印刷用纸的厚度,紧度、平滑度、尘埃度,含水量,酸碱度及对平版胶印的影响,这些纸张的特性直接影响到印刷品的质量,对上机印刷速度等都有影响。纸张的厚度均匀一致的话,上机印刷的质量也就会更好。
The thickness, tightness, smoothness, dust content, water content, pH value of printing paper and their influence on offset printing directly affect the quality of printed matter and the printing speed. If the thickness of the paper is uniform, the quality of printing will be better.
平滑度,纸张的平滑度是需要纸张表面平整,光滑的程度,光滑了上机的速度也就可以畅通,提高印刷速度,印刷品也相对清晰。
Smoothness, the smoothness of the paper is the smoothness of the paper surface, smooth degree, smooth speed on the machine can also be smooth, improve the printing speed, print is relatively clear.
纸张是印刷的关键,印刷厂对于车间的温度湿度都要控制,如需紧缺纸张可以囤货,常用纸张价格不变的化,尽量库存少,随调随用也可以减少资金压力。
The paper is the key to printing. The printing factory should control the temperature and humidity of the workshop. If there is a shortage of paper, it can stock up. The price of commonly used paper should be kept unchanged, and the inventory should be as small as possible. It can also reduce the capital pressure when it is used.


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