印刷包裝時(shí)總會(huì)有很多問題出現(xiàn)，所以就需要提前做好預(yù)防工作，以免給工作造成大的損失。今天我們就來說一說印刷包裝時(shí)的堵版故障的原因是什么。

　　There are always many problems in printing and packaging, so it is necessary to do preventive work in advance, so as not to cause big losses to the work. Today we say what is the cause of the blocking of printing and packaging.

　　由于某些因素（例如溶劑揮發(fā)過快），留在單元格中的墨水會(huì)部分干燥和凝固。當(dāng)印版滾筒再次進(jìn)入墨槽時(shí)，網(wǎng)穴中已固化的油墨難以完全溶解，油墨轉(zhuǎn)移率也隨之提高。累積效應(yīng)是細(xì)胞被越來越淺地阻塞，直到發(fā)生阻塞失敗。這種堵塞故障與油墨種類、粘度、干燥速度、溶劑種類、印刷速度、印刷機(jī)結(jié)構(gòu)等因素有關(guān)，其中比較常見的有以下兩種原因。

　　Due to certain factors, such as the rapid evaporation of the solvent, the ink left in the cell will partially dry and solidify. When the printing plate cylinder again into the ink tank, the net hole has been solidified ink is difficult to completely dissolve, ink transfer rate also increases. The cumulative effect is that the cells become shallower and shallower until the blockage fails. This blockage failure is related to the type of ink, viscosity, drying speed, solvent type, printing speed, printing machine structure and other factors, among which the following two reasons are more common.

　　油墨干燥速度。當(dāng)油墨干燥過快時(shí)，一部分油墨在轉(zhuǎn)移到承印材料上之前會(huì)形成一層薄膜，而油墨薄膜的溶解性差必然導(dǎo)致油墨轉(zhuǎn)移不良，經(jīng)過一段時(shí)間的積累，印刷盤子會(huì)被擋住。印刷車間的溫度和濕度會(huì)影響油墨的干燥速度。溫度過高或濕度過低都會(huì)加快油墨的干燥速度。如果墨水循環(huán)不良，墨水盒中的墨水很容易形成薄膜，從而導(dǎo)致堵塞。

　　Ink drying speed. When the ink dries too fast, part of the ink will form a film before transferring to the substrate, and the poor solubility of the ink film will inevitably lead to poor ink transfer, after a period of accumulation, the printing plate will be blocked. The temperature and humidity of the printing shop will affect the drying rate of ink. High temperature or low humidity will accelerate the drying speed of ink. If the ink circulates poorly, the ink in the cartridge can easily form a thin film, which can lead to blockage.

　　凹印設(shè)備問題。如果凹版印刷設(shè)備的各種機(jī)構(gòu)設(shè)計(jì)存在問題，如滾筒直徑大、印版滾筒在墨槽中浸入較淺等，干燥時(shí)漏出的熱風(fēng)盒子會(huì)直接吹到印版版面上，這會(huì)導(dǎo)致油墨在網(wǎng)版上在孔內(nèi)干燥。

　　Gravure printing equipment problems. If there are problems in the design of various mechanisms of gravure printing equipment, such as large diameter of the drum, shallow immersion of the plate drum in the ink tank, etc., the hot air box leaked during drying will be directly blown to the plate layout, which will lead to ink drying in the hole on the screen.

　　山東印刷包裝認(rèn)為雜質(zhì)從外部環(huán)境混入墨水中。凹版印刷速度快，高速運(yùn)轉(zhuǎn)時(shí)承印物容易產(chǎn)生靜電。在靜電吸附的作用下，可能會(huì)將周圍環(huán)境中的灰塵和從承印物上脫落的碎屑等雜質(zhì)帶入油墨中。

　　Shandong printing and packaging that impurities from the external environment mixed with ink. Gravure printing is fast and the substrate is easy to produce static electricity when running at high speed. Under the action of electrostatic adsorption, it may bring the dust in the surrounding environment and impurities such as debris off the substrate into the ink. Plate cell blockage is an important reason.

　　為防止此類事故的發(fā)生，應(yīng)在循環(huán)泵吸嘴處使用濾網(wǎng)除去油墨中的不溶性雜質(zhì)。凹版印刷網(wǎng)線數(shù)較多時(shí)，油墨中較大的顆粒、不溶性物質(zhì)和沉淀物會(huì)造成印版網(wǎng)孔堵塞。當(dāng)油墨本身發(fā)生顏料分離、沉淀、重新凝聚等變化時(shí)，會(huì)產(chǎn)生不易重新溶解的物質(zhì)，造成堵塞。

　　In order to prevent the occurrence of such accidents, the circulating pump suction nozzle should be used to remove insoluble impurities in the ink. Intaglio printing more network lines, ink in the larger particles, insoluble substances and sediments will cause plate mesh blockage. When the ink itself pigment separation, precipitation, re - coagulation and other changes, will not easily re - dissolved substances, resulting in blockage.

　　印刷包裝時(shí)有堵版故障出現(xiàn)怎么回事？從幾個(gè)方面來講解了問題的相關(guān)內(nèi)容，大家還有其他問題就來我們網(wǎng)站775828.cn進(jìn)行咨詢吧！

　　What happened when the printing and packaging blocked the plate? From several aspects to explain the relevant content of the problem, you have other questions to our website 775828.cn for consultation!