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印刷初期需要注意哪些印刷方面的问题?

来源:http://www.xinfengyinshua.cn/   发布时间:2023-01-16
我们大家平时对皮面本记事本印刷产品一定不会感到陌生,皮面本记事本印刷产品大多是一些印刷和制作比较精美的印刷产品,正是因为皮面本记事本印刷产品的可读性非常强,在进行济南皮面本记事本印刷产品的生产制作过程当中,能够较好的保证其生产质量是非常关键的。
We will not be unfamiliar with leather notebook printing products at ordinary times. Most of the leather notebook printing products are printing products with exquisite printing and production. It is precisely because the readability of the leather notebook printing products is very strong. In the production and production process of Jinan leather notebook printing products, it is very important to ensure their production quality.
印刷初期需要注意上水量的变化
Pay attention to the change of water consumption at the beginning of printing
首先注意正式印刷初期上水的变化。试印时的上水量和进入正式印刷后的上水量多少都会有些变化,一定要一边注意观察样张有无重影、水扛子,一边注意调解印版的给水量。其次需要注意正式印刷过程中上水的变化。要密切注意机器主体发热和车间内的通风状况给上水带来的影响,酒精润版要注意润湿系统冷却装置,控制好润湿液的温度,上水过少,会使印版起脏;上水过多将引起油墨乳化,会带来一系列问题。
First of all, pay attention to the change of water at the beginning of formal printing. There will be some changes in the amount of water feeding during the trial printing and the amount of water feeding after the official printing. It is necessary to pay attention to the water feeding of the printing plate while observing whether the sample sheet has duplicate images and water carriers. Secondly, we need to pay attention to the change of water during the formal printing process. Pay close attention to the influence of the heating of the main body of the machine and the ventilation condition in the workshop on the water filling, pay attention to the cooling device of the wetting system and control the temperature of the wetting solution for alcohol plate polishing. Too little water filling will make the printing plate dirty; Too much water will cause ink emulsification, which will cause a series of problems.
印刷初期需要注意印刷油墨的变化、
Pay attention to the change of printing ink at the beginning of printing
济南皮面本记事本印刷
首先需要注意墨斗的油墨。墨斗的油墨从墨斗辊和墨斗刮刀之间的缝隙传出,是由油墨的自重而自然被挤压出来的。因此,墨斗中油墨量的多少,直接影响油墨的输出量。另外,印刷油墨具有触变性质。要经常用墨刀在墨斗中搅拌,或者安装油墨搅拌器。
First of all, we need to pay attention to the ink of the ink bucket. The ink from the ink bucket comes out from the gap between the ink bucket roller and the ink bucket scraper, and is naturally squeezed out by the weight of the ink. Therefore, the amount of ink in the ink bucket directly affects the output of ink. In addition, printing ink has thixotropic property. Always use an ink knife to stir in the ink bucket, or install an ink mixer.
其次需要防止油墨在机器上干燥。并且需要注意油墨均匀,印刷品的密度视上水量、室温、机器速度不同而发生变化。应经常与标准样张进行对比检查。注意防止出现墨色不均匀现象。从而保持润湿液的pH值,油墨中添加了辅助剂后,容易影响润湿液的pH值,如pH值增大则易造成印版起脏,因此要特别注意。
Second, we need to prevent the ink from drying on the machine. In addition, it is necessary to pay attention to the uniformity of the ink. The density of the printed matter varies depending on the water volume, room temperature and machine speed. Compare and check with the standard sample frequently. Pay attention to prevent uneven ink color. In order to maintain the pH value of the wetting solution, it is easy to affect the pH value of the wetting solution after the auxiliary agent is added to the ink. If the pH value increases, it is easy to cause the printing plate to be dirty, so special attention should be paid.
印刷过程中需要注意的其他工作
Other work needing attention during printing
首先是油墨的补充、搅拌和润湿液的补充。
The first is the supplement of ink, mixing and wetting liquid.
然后是除脏作业。因油墨的皮渣、纸粉、纸毛等赃物吸附在印版或橡皮布上,并反映在纸张上,有必要进行除脏。除脏作业一般应停机进行。除非有能在运转时除脏的装置。禁止用手在运转时直接除脏。
Then comes the cleaning operation. It is necessary to remove dirt due to the dirt of ink such as skin residue, paper powder and paper wool adsorbed on the printing plate or blanket and reflected on the paper. Generally, the machine shall be shut down for dirt removal. Unless there is a device capable of removing dirt during operation. It is forbidden to remove dirt directly by hand during operation.
再者是清洗橡皮布、擦版和涂胶作业。当橡皮布上堆积油墨、纸粉、喷粉粉末而影响油墨的转移时,必须停机清洗橡皮布,操作时要注意安全。擦版和涂胶作业也应注意安全。
Moreover, cleaning the rubber blanket, erasing and gluing. When the transfer of ink is affected by the accumulation of ink, paper powder and powder spraying on the blanket, the blanket must be shut down and cleaned. Pay attention to safety during operation. Attention should also be paid to safety during plate wiping and gluing.
后要注意印刷机的异常现象。注意机器运转时的声音、热度、振动、气味等,经常查看电流表,留意印刷机的异常情况。
After that, pay attention to the abnormal phenomenon of the printing machine. Pay attention to the sound, heat, vibration, smell, etc. when the machine is running, check the ammeter frequently, and pay attention to the abnormal conditions of the printing machine.
印刷将结束时,应确认印数是否与生产施工单相符。有缺数需补印的应通知生产管理人员,及时安排补印。更多相关内容就来我们网站http://www.xinfengyinshua.cn咨询吧!
At the end of printing, confirm whether the number of prints is consistent with the production order. If there is any shortage to be supplemented, the production management personnel shall be informed and the supplementary printing shall be arranged in time. Come to our website for more relevant content http://www.xinfengyinshua.cn Ask!
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