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生產用于制版和印刷的不干膠標簽訣竅

來源:http://tjanamera.com/ 日期:2019-10-21 發布人:admin
  我們經常會在不干膠標簽印刷的日常過程中,遇到一些比較麻煩的問題。如果這些問題得不到及時有效的解決,不僅會影響正常的消費,還會造成一定的經濟損失。我從事標簽印刷多年,總結了一些印刷消費的小貼士,想在這里和大家分享一下。
  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.
不干膠防偽標簽印刷制作
  制版過程中的小訣竅
  Some tips in the process of plate making
  1.縮短曝光時間,處理過渡網點僵硬的問題
  1. Shorten the exposure time and deal with the problem of rigid transition dot
  筆者曾經印刷過一種有過渡網效果的藥品標簽,客戶請求過渡網的效果要溫和一些,可是打樣印刷出的過渡網點比擬僵硬,不能滿足客戶的需求。筆者察看后發現,過渡網中的小網點在3%左右,根本上是凸印樹脂版所能曬出的小網點了。假如再將網點減少后重新出膠片,曬版后很可能呈現小網點喪失的現象,所以不能經過重新出膠片的辦法來處理此問題。由于凸印樹脂版是靠光固化成像的,因而筆者讓制版人員縮短曝光時間,使樹脂版上曬出的網點比正常曝光時間所曬出的網點小一些,再次打樣后,過渡網效果變得溫和,客戶對其很稱心,我們也勝利完成了這一訂單。
  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.背曝光處理大面積過渡網掉點問題
  2. Back exposure to deal with the drop of large area transition network
  熟習柔版制版工藝的人都曉得,柔性版制版過程中有背曝光工序,其目的就是為了讓圖文與版基分離得愈加結實。但可能許多人不曉得這種背曝光工藝同樣能夠應用于凸印樹脂版的制版過程。在日常消費中,我們經常會遇到有大面積平網或大面積過渡網的活件,在曬版過程中經常由于曝光時間控制不好而呈現小網點喪失的問題,特別是制造有大面積過渡網的印版,對曝光時間的請求更苛刻:時間太長可能糊版,時間太短則可能掉網點。此時,能夠在制版時采用背曝光的工藝,即讓樹脂版的反面承受曝光,背曝光的時間要依據不同的活件靈敏控制。理論證明:經背曝光處置后的樹脂版材在曬大面積過渡網點時就不容易呈現掉網點的現象。
  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.
  印刷過程中的小訣竅
  Tips in the printing process
  1.印刷撤淡劑去除白點
  1. Printing lightening agent to remove white spots
  筆者以前遇到過這樣一例問題:在印刷一批急需交貨的活件時,原資料外表灰塵太多,但由于沒有時間改換原資料,而且除塵布也用完了,招致印刷時呈現大面積的白點。為理解決這個問題,筆者采用了一個不常用的方法:制一塊實地版,在原資料外表先印刷一遍UV撤淡劑,然后再按正常工藝印刷油墨。由于先印刷的UV 撤淡劑曾經將原資料外表的灰塵粘走或掩蓋,后面印刷油墨時根本上就不會呈現白點了。而且,由于UV撤淡劑的顏色很淡,不會影響到后面印刷油墨的色相。但是這樣做會大大進步消費本錢,因而只能夠用來應急,并不能作為一種常規的處理辦法。
  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.巧除靜電干擾
  2. Eliminate electrostatic interference skillfully
  筆者也曾遇到過這樣的問題:北方某不干膠印刷廠冬季印刷薄膜資料,經常會呈現資料收卷不齊和印刷機操作系統死機的現象。該廠采用的是琳得科LPM300型間歇不干膠印刷機,設備性能穩定,但為什么會呈現操作系統死機的狀況呢?后來發現“罪魁禍首”就是印刷薄膜資料時所產生的大量靜電。由于靜電的干擾招致設備的操作系統經常死機而不能正常工作,同時也招致薄膜資料收卷不齊。可當時消費任務緊急,沒有時間在設備上裝置除靜電安裝,于是筆者倡議在車間里加了兩臺加濕器,進步車間的相對濕度,大大消弭了靜電對設備和資料的影響,終消費得以順利停止。
  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.部分調整貼版的雙面膠厚度,到達理想印刷效果
  3. Partially adjust the thickness of the double-sided adhesive to achieve the ideal printing effect.
  在不干膠標簽印刷過程中常常會呈現部分區域印刷顏色過深或過淺的狀況,此時能夠經過調整部分貼版雙面膠厚度的辦法來處理,而無須重新出膠片曬版。詳細的做法是:若部分區域印刷顏色過深,能夠將該區域印版下面的雙面膠除掉,相當于減輕了部分的印刷壓力,印刷顏色會淺一些。同樣的,若部分區域印刷顏色過淺,能夠在該區域的印版下面再加一層雙面膠,這樣相當于增加了部分的印刷壓力,印刷顏色能夠加深。經過這種方式調理圖文部分壓力,常常能處理一些問題并可以防止重新出膠片、制版帶來的費事,同時也節約了版材。
  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.銅版紙起泡現象的處理
  5. Treatment of blistering of coated paper
  曾經有一次,筆者在運用斜背印刷機印刷大面積實地標簽時呈現了資料起泡的現象。當時用的是銅版紙不干膠資料,奇異的是氣泡是在不干膠資料的面材上產生的。以前筆者也曾經遇到過資料起泡的現象,但氣泡呈現在不干膠資料的面材和膠黏劑之間,在面材上起氣泡的現象還是初次遇到。經剖析以為,氣泡是由于黏力作用使面材別離產生的。斜背式標簽印刷機在印刷大面積實地標簽時容易產生黏紙現象,主要緣由是油墨黏度大或印刷壓力大。但是若將油墨調到稀的狀態,同時將印刷壓力減到小狀態后,還是會偶然呈現不干膠資料面層起泡的現象。這標明不只僅是油墨和印刷壓力方面的問題,那還會有其他什么緣由呢?終筆者找到了這個緣由,就是樹脂版變形。由于樹脂版放置一段時間后會因失去水分而變形,通常表現為中間凹陷、周圍翹起。當時運用的是一塊舊的樹脂版,這樣的印版假如不經過溫水浸泡而直接運用,外表上看是貼平了,但實踐上還是中間低、周圍高。斜背式標簽印刷機采用的是平壓平的方式,因而版面中心凹陷就會招致印刷時產生很強的黏力,從而使不干膠資料的面材分層。理解到這個狀況后,筆者將樹脂版放在溫水里浸泡了一段時間,使樹脂版充沛吸收水分后恢恢復來外形;然后再上機印刷,起泡現象消逝。
  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 deformation. Due to the resin version after a period of time will lose water and deformation, 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.
  以上幾點是筆者在多年的消費理論中總結的一些小訣竅,希望能對廣闊的印刷業同行有所協助。技術的傳承和開展需求的是交流,只要同行業人員多多交流,揚長避短,去粗取精,不干膠標簽印刷技術才干夠得到很好的開展和創新。同時,也等待有更多的同行把日常消費中總結的一些經歷、訣竅與大家分享。
  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.
  今天給大家引見的不干膠防偽標簽印刷制造廠家的精彩內容到這里就完畢了,小編在這里非常感激大家的閱讀,假如大家想要理解更多的相關咨詢,能夠把我們的網址:<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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