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生产用于制版和印刷的不干胶标签诀窍

来源:/ 日期:2019-10-21 发布人:admin
  我们经常会在不干胶标签印刷的日常过程中,遇到一些比较麻烦的问题。如果这些问题得不到及时有效的解决,不仅会影响正常的消费,还会造成一定的经济损失。我从事标签印刷多年,总结了一些印刷消费的小贴士,想在这里和大家分享一下。
  In the daily process of self-adhesive label printing, we often encounter some more difficult problems. If these problems cannot be dealt with in time and effectively, they will not only affect the normal consumption, but also may cause certain economic losses. I have been engaged in label printing for many years, summed up some tips in printing consumption, and would like to share with you here.
不干胶防伪标签印刷制作
  制版过程中的小诀窍
  Some tips in the process of plate making
  1.缩短曝光时间,处理过渡网点僵硬的问题
  1. Shorten the exposure time and deal with the problem of rigid transition dot
  笔者曾经印刷过一种有过渡网效果的药品标签,客户请求过渡网的效果要温和一些,可是打样印刷出的过渡网点比拟僵硬,不能满足客户的需求。笔者察看后发现,过渡网中的小网点在3%左右,根本上是凸印树脂版所能晒出的小网点了。假如再将网点减少后重新出胶片,晒版后很可能呈现小网点丧失的现象,所以不能经过重新出胶片的办法来处理此问题。由于凸印树脂版是靠光固化成像的,因而笔者让制版人员缩短曝光时间,使树脂版上晒出的网点比正常曝光时间所晒出的网点小一些,再次打样后,过渡网效果变得温和,客户对其很称心,我们也胜利完成了这一订单。
  The author once printed a kind of drug label with the effect of transition network. The effect of the transition network requested by the customer is more moderate, but the transition network printed by proofing is relatively rigid and can not meet the needs of the customer. The author found that the minimum dot in the transition network is about 3%, which is basically the minimum dot that can be exposed by the embossing resin plate. If you reduce the dot and then re out of the film, after printing is likely to show the phenomenon of small dot loss, so you can not re out of the film to deal with this problem. Because the embossing resin plate is imaged by light curing, the author asked the plate maker to shorten the exposure time, so that the dots exposed on the resin plate are smaller than those exposed in the normal exposure time. After proofing again, the effect of the transition network becomes mild, and the customer is very satisfied with it. We also successfully completed this order.
  2.背曝光处理大面积过渡网掉点问题
  2. Back exposure to deal with the drop of large area transition network
  熟习柔版制版工艺的人都晓得,柔性版制版过程中有背曝光工序,其目的就是为了让图文与版基分离得愈加结实。但可能许多人不晓得这种背曝光工艺同样能够应用于凸印树脂版的制版过程。在日常消费中,我们经常会遇到有大面积平网或大面积过渡网的活件,在晒版过程中经常由于曝光时间控制不好而呈现小网点丧失的问题,特别是制造有大面积过渡网的印版,对曝光时间的请求更苛刻:时间太长可能糊版,时间太短则可能掉网点。此时,能够在制版时采用背曝光的工艺,即让树脂版的反面承受曝光,背曝光的时间要依据不同的活件灵敏控制。理论证明:经背曝光处置后的树脂版材在晒大面积过渡网点时就不容易呈现掉网点的现象。
  People who are familiar with flexographic plate making know that there is a back exposure process in the flexographic plate making process, whose purpose is to make the separation of image and text and the plate base more solid. However, many people may not know that this back exposure process can also be used in the process of letterpress resin plate making. In daily consumption, we often encounter loose parts with large area flat screen or large area transition network. In the process of printing, due to poor exposure time control, small dot loss often occurs. Especially for printing plates with large area transition network, the requirements for exposure time are more stringent: too long time may paste, too short time may drop dot. At this time, the back exposure process can be used in plate making, that is, the back side of the resin plate is exposed, and the back exposure time should be controlled sensitively according to different movable parts. The theory proves that the resin plate after back exposure is not easy to lose the dot when it is exposed to a large area of transition dot.
  印刷过程中的小诀窍
  Tips in the printing process
  1.印刷撤淡剂去除白点
  1. Printing lightening agent to remove white spots
  笔者以前遇到过这样一例问题:在印刷一批急需交货的活件时,原资料外表灰尘太多,但由于没有时间改换原资料,而且除尘布也用完了,招致印刷时呈现大面积的白点。为理解决这个问题,笔者采用了一个不常用的方法:制一块实地版,在原资料外表先印刷一遍UV撤淡剂,然后再按正常工艺印刷油墨。由于先印刷的UV 撤淡剂曾经将原资料外表的灰尘粘走或掩盖,后面印刷油墨时根本上就不会呈现白点了。而且,由于UV撤淡剂的颜色很淡,不会影响到后面印刷油墨的色相。但是这样做会大大进步消费本钱,因而只能够用来应急,并不能作为一种常规的处理办法。
  The author has encountered such a problem before: when printing a batch of loose parts which are in urgent need of delivery, there is too much dust on the surface of the original materials, but there is no time to change the original materials, and the dedusting cloth is also used up, causing a large area of white spots in printing. In order to understand and solve this problem, the author adopts an unusual method: making a field version, printing UV light remover once on the surface of the original material, and then printing ink according to the normal process. Because the UV light remover printed first has stuck or covered the dust on the surface of the original material, the ink printed at the back will not show white spots at all. Moreover, because the color of UV light remover is very light, it will not affect the color of the printing ink behind. But this will greatly improve the cost of consumption, so it can only be used for emergency, not as a conventional way to deal with it.
  2.巧除静电干扰
  2. Eliminate electrostatic interference skillfully
  笔者也曾遇到过这样的问题:北方某不干胶印刷厂冬季印刷薄膜资料,经常会呈现资料收卷不齐和印刷机操作系统死机的现象。该厂采用的是琳得科LPM300型间歇不干胶印刷机,设备性能稳定,但为什么会呈现操作系统死机的状况呢?后来发现“罪魁祸首”就是印刷薄膜资料时所产生的大量静电。由于静电的干扰招致设备的操作系统经常死机而不能正常工作,同时也招致薄膜资料收卷不齐。可当时消费任务紧急,没有时间在设备上装置除静电安装,于是笔者倡议在车间里加了两台加湿器,进步车间的相对湿度,大大消弭了静电对设备和资料的影响,终消费得以顺利停止。
  The author has also encountered such a problem: in the winter printing of film materials in a self-adhesive printing factory in the north, the phenomenon of uneven roll up of materials and the printing machine operating system crash often occurs. The factory adopts lindko lpm300 intermittent self-adhesive printing machine with stable performance, but why does the operating system crash? Later, it was found that the "culprit" is the large amount of static electricity generated when printing film materials. Due to the interference of static electricity, the operating system of the equipment often crashes and can not work normally. At the same time, it also leads to the uneven winding of film data. But at that time, the consumption task was urgent and there was no time to install the device to remove static electricity. So the author proposed to add two humidifiers in the workshop to improve the relative humidity of the workshop, greatly eliminate the influence of static electricity on the equipment and data, and finally the consumption was stopped smoothly.
  3.部分调整贴版的双面胶厚度,到达理想印刷效果
  3. Partially adjust the thickness of the double-sided adhesive to achieve the ideal printing effect.
  在不干胶标签印刷过程中常常会呈现部分区域印刷颜色过深或过浅的状况,此时能够经过调整部分贴版双面胶厚度的办法来处理,而无须重新出胶片晒版。详细的做法是:若部分区域印刷颜色过深,能够将该区域印版下面的双面胶除掉,相当于减轻了部分的印刷压力,印刷颜色会浅一些。同样的,若部分区域印刷颜色过浅,能够在该区域的印版下面再加一层双面胶,这样相当于增加了部分的印刷压力,印刷颜色能够加深。经过这种方式调理图文部分压力,常常能处理一些问题并可以防止重新出胶片、制版带来的费事,同时也节约了版材。
  In the process of label printing, the printing color of some areas is often too deep or too light. At this time, it can be processed by adjusting the thickness of double-sided adhesive of part of the plate, without the need to re print the film. The detailed method is: if the printing color of some areas is too deep, the double-sided adhesive under the printing plate of this area can be removed, which is equivalent to reducing the printing pressure of some areas, and the printing color will be lighter. Similarly, if the printing color of some areas is too light, a layer of double-sided tape can be added under the printing plate of this area, which is equivalent to increasing the printing pressure of some areas, and the printing color can be deepened. After this way to adjust the pressure of the image and text part, it can often deal with some problems and prevent the trouble caused by the re production of film and plate making, and at the same time, it can save the plate material.
  5.铜版纸起泡现象的处理
  5. Treatment of blistering of coated paper
  曾经有一次,笔者在运用斜背印刷机印刷大面积实地标签时呈现了资料起泡的现象。当时用的是铜版纸不干胶资料,奇异的是气泡是在不干胶资料的面材上产生的。以前笔者也曾经遇到过资料起泡的现象,但气泡呈现在不干胶资料的面材和胶黏剂之间,在面材上起气泡的现象还是初次遇到。经剖析以为,气泡是由于黏力作用使面材别离产生的。斜背式标签印刷机在印刷大面积实地标签时容易产生黏纸现象,主要缘由是油墨黏度大或印刷压力大。但是若将油墨调到稀的状态,同时将印刷压力减到小状态后,还是会偶然呈现不干胶资料面层起泡的现象。这标明不只仅是油墨和印刷压力方面的问题,那还会有其他什么缘由呢?终笔者找到了这个缘由,就是树脂版变形。由于树脂版放置一段时间后会因失去水分而变形,通常表现为中间凹陷、周围翘起。当时运用的是一块旧的树脂版,这样的印版假如不经过温水浸泡而直接运用,外表上看是贴平了,但实践上还是中间低、周围高。斜背式标签印刷机采用的是平压平的方式,因而版面中心凹陷就会招致印刷时产生很强的黏力,从而使不干胶资料的面材分层。理解到这个状况后,笔者将树脂版放在温水里浸泡了一段时间,使树脂版充沛吸收水分后恢恢复来外形;然后再上机印刷,起泡现象消逝。
  Once upon a time, the author used the slant back printing machine to print a large area of field labels, which presented the phenomenon of data bubble. At that time, we used the self-adhesive data of copperplate paper, and the strange thing is that the bubbles were generated on the surface material of the self-adhesive data. In the past, the author has also encountered the phenomenon of data bubble, but the bubble appears between the surface material and the adhesive of the present self-adhesive data, and the phenomenon of bubble on the surface material is the first time. Through analysis, it is believed that bubbles are caused by the separation of surface materials due to the effect of viscosity. Inclined back label printing machine is easy to produce sticky paper phenomenon when printing large-area field labels. The main reason is that the ink viscosity is large or the printing pressure is large. However, if the ink is adjusted to the thinnest state and the printing pressure is reduced to the minimum state, the phenomenon of blistering on the surface layer of self-adhesive data will occasionally appear. This indicates that it's not only about ink and printing pressure, but also about other reasons. Finally, the author found out the reason, that is, resin plate deion. Due to the resin version after a period of time will lose water and deion, usually for the middle of the depression, warping around. At that time, an old resin plate was used. If such a plate is directly used without soaking in warm water, it looks flat on the surface, but in practice, it is still low in the middle and high around. The slant back label printing machine adopts the method of flattening, so the concave of the center of the layout will lead to a strong adhesive force when printing, so as to make the surface material of the adhesive material layered. After understanding this situation, the author soaked the resin plate in warm water for a period of time to make the resin plate fully absorb water and recover its shape; then it was printed on the machine, and the blistering phenomenon disappeared.
  以上几点是笔者在多年的消费理论中总结的一些小诀窍,希望能对广阔的印刷业同行有所协助。技术的传承和开展需求的是交流,只要同行业人员多多交流,扬长避短,去粗取精,不干胶标签印刷技术才干够得到很好的开展和创新。同时,也等待有更多的同行把日常消费中总结的一些经历、诀窍与大家分享。
  The above points are some tips summed up in the author's consumption theory for many years, hoping to help the vast printing industry. The inheritance and development of technology requires communication. As long as we have more communication with industry personnel, develop our strengths and avoid weaknesses, eliminate the rough and extract the refined, the self-adhesive label printing technology can be well developed and innovated. At the same time, we are waiting for more colleagues to share some experiences and know-how summarized in daily consumption with you.
  今天给大家引见的不干胶防伪标签印刷制造厂家的精彩内容到这里就完毕了,小编在这里非常感激大家的阅读,假如大家想要理解更多的相关咨询,能够把我们的网址:<tjanamera.com>添加到珍藏。
  Today, the wonderful contents of self-adhesive anti-counterfeiting label printing and manufacturing introduced to you are over here. The editor is very grateful for your reading here. If you want to understand more relevant consultation, you can add our website: tjanamera.com to the collection.

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