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        1. 當前位置:首頁-常見問題解答>>不干膠防偽標簽印刷制作上光時有哪些注意事項

          不干膠防偽標簽印刷制作上光時有哪些注意事項

          來源:http://www.apersianrug.com/ 日期:2019-05-14 發布人:admin   為了保護不干膠標簽的 印刷 圖紋和提升標簽的品質, 目前很多不干膠標簽印刷后都選擇了覆膜、上光和燙金等表面整飾處理。
            In order to protect the printing pattern and improve the quality of labels, many labels have been printed with coating, polishing and bronzing.
            不干膠標簽印刷UV上光工藝注意事項
            Cautions for UV polishing process of sticker label printing一、不干膠標簽的 UV 上光
            I. UV polishing of sticker labels
            上光工藝主要應用于鏡面銅版紙、 銅版紙類標簽的表面涂布, 目的是增加其表面的光澤 度,并達到防污、防潮濕、保護圖紋的作用。根據加工方式,不干膠標簽材料的上光分為單 張紙上光和卷筒紙上光,其中卷筒紙上光是不干膠標簽印刷工藝中較普遍采用的方法。
            The polishing process is mainly applied to the surface coating of mirror-coated paper and copper-coated paper labels. The purpose is to increase the gloss of their surface, and to achieve the functions of anti-fouling, moisture-proof and protection of patterns. According to the processing method, the polishing of adhesive label materials can be divided into sheet paper polishing and web paper polishing, among which web paper polishing is the most commonly used method in the printing process of adhesive label.
            卷筒紙不干膠標簽的上光是在輪轉型標簽機上進行的。 目前普遍采用 UV 上光工藝, 即:在 印刷 后的圖紋表面均勻地涂布一層 UV 上光油。 對于水基墨柔印標簽, 上光是必不可少的 一道工序。
            The polishing of drum paper sticker label is carried out on the wheel transformation label machine. At present, UV polishing technology is widely used, that is, a layer of UV polishing oil is uniformly coated on the printed pattern surface. For water-based ink flexographic labels, polishing is an indispensable process.
            二、進行 UV 上光工藝應注意以下有關事項:
            2. The following matters should be paid attention to in the process of UV polishing:
            1、上光油質量的檢定
            1. Verification of polishing oil quality
            UV 上光油品種多,都有一定的儲存周期,并且對環境有一定的要求,所以,使川用前 應檢查一下上光油的顏色及其定量涂布后的干燥情況, 以及添加劑的匹配情況, 還要注意觀 察與所用的印刷油墨是否有反應。一般要求先進行上光試驗,而后再投入正常生產。
            There are many kinds of UV polishing oils, which have a certain storage period and have certain requirements for the environment. Therefore, we should check the color of the polishing oil and its drying condition after quantitative coating, as well as the matching of additives before using it in Sichuan, and pay attention to the reaction between the polishing oil and the printing ink used. Generally, it is required that the polishing test be carried out first and then put into normal production.
                                               不干膠防偽標簽印刷制作
            2、上光油的厚度
            2. Thickness of polishing oil
            UV 上光油的流平特性不如溶劑型上光油,若涂布量太大就會使上光后的表面出現條 紋, 影響光反射效果。 涂布量過大還會使上光油干燥不徹底, 僅表層干燥, 造成復卷后粘連。
            The leveling property of UV polishing oil is not as good as that of solvent polishing oil. If the amount of coating is too large, stripes will appear on the polished surface, which will affect the light reflection effect. Excessive amount of coating will make the polishing oil not dry thoroughly, only the surface layer is dry, resulting in adhesion after rewinding.
            3、上光油粘度和表面張力
            3. Viscosity and surface tension of polishing oil上光油的粘度對其流平特性、干燥速度、 表面光澤都有影響。 要根據不同的紙張, 調整 適合的粘度。 在調控粘度的同時, 還要注意上光油表面張力的變化情況。 要使上光油的表面 張力小于 印刷 品油墨層的表面張力,這樣,上光油才能完全潤濕上光表面,避免出現針眼、 條痕等質量問題。
            The viscosity of polishing oil has an effect on its leveling property, drying speed and surface gloss. The suitable viscosity should be adjusted according to different paper. While controlling the viscosity, we should also pay attention to the change of the surface tension of polishing oil. To make the surface tension of polishing oil less than the surface tension of printing ink layer, so that polishing oil can completely wet the polishing surface, avoid needle eye, streak and other quality problems.
            4、速度、涂布量、壓力、烘干溫度
            4. Speed, coating quantity, pressure and drying temperature上光涂布速度、 涂布量、 壓力和烘干溫度四者是互相制約的, 需根據不同的紙張表面對 上光油的潤濕、吸收情況,合理調整它們之間的關系。
            The polishing speed, amount, pressure and drying temperature are mutually restrictive. The relationship between them should be adjusted reasonably according to the wetting and absorption of polishing oil on different paper surfaces.
            5、定期檢查 UV 烘干裝置
            5. Regular inspection of UV drying deviceUV 烘干裝置中的紫外線燈管隨著使用時間的延長,有效功率在逐漸降低,一般 UV 燈 管的有效時間是 1000小時。 生產中應定期檢測其有效功率, 當使用時間接近 1000小時應及 時更換。
            The effective power of the ultraviolet lamp in the UV drying device decreases gradually with the prolongation of the use time. The effective time of the general UV lamp is 1000 hours. The effective power should be tested regularly in production, and should be replaced in time when used indirectly for nearly 1000 hours.
            想要了解更多關于不干膠防偽標簽印刷制作的知識,請關注我們網站更新To learn more about the printing of anti-counterfeiting labels, please pay attention to the update of our website.
           

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