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手提袋圖案印刷前制版七大注意事項

來源:http://www.703248.com/   發布時間:2021-09-06
在手提袋圖案的印刷過程中,因前制版不到位而導致的質量問題時有發生,輕則浪費材料與工時,重則導致產品報廢,造成嚴重的經濟損失。要想杜絕以上問題的發生,應注意以下幾個方面。
In the printing process of handbag pattern, quality problems often occur due to inadequate plate making, ranging from waste of materials and man hours to scrapping of products, resulting in serious economic losses. To eliminate the above problems, we should pay attention to the following aspects.
一、不同種類的紙袋需要拼在一張印版上進行印刷時,如果拼版時色調相同或相近的產品沒有拼在同一縱向位置上,可能會出現A款產品能達到打樣稿標準,B款產品基本接近打樣稿標準,C款產品與打樣稿有輕微色差,D款產品與打樣稿色差較大的現象。因此,在拼版時應將暖色調、冷色調、中間色調的產品拼在同一縱向位置上,以便于印刷出優良的產品。
1、 When different kinds of paper bags need to be assembled on a printing plate for printing, if the products with the same or similar colors are not assembled in the same longitudinal position during assembly, there may be a phenomenon that product a can meet the proofing standard, product B is basically close to the proofing standard, product C has a slight color difference with the proofing, and product D has a large color difference with the proofing. Therefore, the warm tone, cold tone and intermediate tone products should be put together in the same vertical position during the composition, so as to print excellent products.

二、紙袋圖案拼版時如果將紙盒的非圖文部分放于叼口處,而拖梢處放的不是連續調圖像,是平網或實地的話,那么紙袋圖案印刷時就很容易產生“鬼影”,嚴重影響產品質量。此時應將非圖文部分放于拖梢處,這樣就不會出現“鬼影”。
2、 When making up the paper bag pattern, if the non graphic part of the carton is placed at its mouth, and the trailing tip is not a continuously adjustable image, but a flat screen or field, it is easy to produce "ghost" during the printing of the paper bag pattern, which seriously affects the product quality. At this time, the non graphic part should be placed at the trailing tip, so that there will be no "ghost".
三、紙袋圖案拼版時還應注意不能為了節省膠片而將紙盒成品線省去,而是依靠曬版和印刷人員計算叼口和成品的位置,這樣會大大影響生產效率,還可能會因為曬版和印刷人員一時疏忽,造成重大事故。
3、 When making up paper bag patterns, it should also be noted that the carton finished product line should not be omitted in order to save film, but rely on the printing and printing personnel to calculate the position of its mouth and finished products, which will greatly affect the production efficiency and may cause major accidents due to the negligence of the printing and printing personnel.
四、紙袋圖案輸出的膠片上通常不含拉規標識線,但如果遇到叼口與拖梢均為空白的情況,會給紙盒的印刷定位帶來大不便。對此,有必要在膠片上制作出拉規標識線。凡是不需要裱瓦楞紙板的包裝紙盒,拉規標識線制作于靠身部位;需要裱瓦楞紙板的包裝紙盒,拉規標識線制作于朝外部位。
4、 The film of paper bag pattern output usually does not contain pull gauge identification line, but if the mouth and trailing tip are blank, it will bring great inconvenience to the printing and positioning of carton. For this reason, it is necessary to make drawing gauge identification lines on the film. For packaging cartons that do not need to be mounted with corrugated board, the pull gauge identification line shall be made at the body part; For the packaging carton that needs to be mounted with corrugated board, the pull gauge identification line is made at the outward part.
五、紙袋圖案確保膠片符合印刷要求,膠片輸出后認真核對膠片上的圖文是否與打樣稿一致(作為核對基準的紙盒刀版線須規范)。
5、 The paper bag pattern ensures that the film meets the printing requirements. After the film is output, carefully check whether the pictures and texts on the film are consistent with the proofing draft (the carton knife plate line as the check benchmark must be standardized).
六、紙袋圖案保證不同膠片之間的正確套準,這是因為一套膠片一般分兩次輸出,其套印精度很容易受到一些客觀因素的影響。輸出的膠片一旦出現質量問題,應重新制作。
6、 The paper bag pattern ensures the correct registration between different films, because a set of films is generally output twice, and its overprint accuracy is easily affected by some objective factors. Once the output film has quality problems, it shall be made again.
七、紙袋曬版前應認真比較膠片與打樣稿,如果主色調的膠片密度偏大,就應加曬版時的曝光時間,避免印刷色調偏重;如果密度偏小,則應減少曬版時的曝光時間,以免網點丟失影響色彩再現。
7、 Before printing, the paper bag shall carefully compare the film with the proofing draft. If the film density of the main color is too large, the exposure time during printing shall be added to avoid printing color bias; If the density is too small, reduce the exposure time during printing to avoid dot loss affecting color reproduction.
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