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    解決印刷紙張掉毛的四個措施

    來源:http://www.mbtshoesclearanceinc.com/   發布時間:2021-05-12
    紙張出現掉毛、脫粉故障,一般是由于紙張的產品質量不佳所引起的。除了建議造紙廠家盡快提高產品的質量和要求退貨之外,操作者也可根據所印紙張的具體條件,采取相應的補救措施:
    The paper appears to drop hair, de powder fault, generally due to the poor quality of paper products caused by. In addition to the suggestion that the paper manufacturer should improve the quality of the products as soon as possible and require the return of the products, the operator can also take corresponding remedial measures according to the specific conditions of the printed paper
    一、紙張由于原料及制造工藝等原因,在印刷過程中可能會脫粉、掉毛,堆積在橡皮布的表面上,從而影響網點正確傳遞,嚴重時每印1千張左右就得擦洗橡皮布,否則橡皮布上粘滿了脫粉掉毛,印刷出來的產品光澤度明顯下降。有條件的情況下在紙張表面上套印一道白墨和清水,一般應多擦洗橡皮布。
    1、 Due to the reasons of raw materials and manufacturing process, paper may be dusted and fluffy in the printing process, which will accumulate on the surface of blanket, thus affecting the correct transmission of dot. In serious cases, the blanket will have to be scrubbed for every 1000 sheets printed, otherwise the blanket will be covered with dusting and fluffy, and the gloss of the product will be significantly reduced. If possible, overprint a white ink and water on the surface of the paper. Generally, scrub the blanket.
    二、適當調節好所用油墨的粘度,在油墨中加入適量的撒粘劑和稀釋劑,降低油墨中的粘度,以此改善油墨的粘結性對紙張的影響。因為油墨粘性過大也容易使紙張掉毛脫粉。
    2、 Properly adjust the viscosity of the used ink, add appropriate amount of dispersant and diluent in the ink to reduce the viscosity of the ink, so as to improve the effect of the adhesiveness of the ink on the paper. Because the ink viscosity is too large, it is also easy to make the paper off hairy powder.
    三、調節印刷壓力,使橡皮滾筒與壓印滾筒之間的壓印力適當減小。或者選擇合適的印刷速度,以適當降低速度為好。這樣在壓印之后,橡皮布與紙張之間的剝離拉力就可以減小。
    3、 Adjust the printing pressure to reduce the printing force between the rubber roller and the impression roller. Or choose the right printing speed, in order to reduce the speed. In this way, after imprinting, the stripping force between blanket and paper can be reduced.
    四、對容易出現掉毛脫粉的紙張,如膠版紙、凸版紙、書寫紙等,在太原宣傳單印刷前一定要進行晾紙處理,將紙張表面上的紙屑、紙粉、紙灰和塵土、破爛紙等清除干凈。
    4、 The paper prone to exfoliation, such as offset paper, relief paper, writing paper, etc., must be air dried before Taiyuan flyer printing, and the paper scraps, paper powder, paper ash and dust, ragged paper, etc. on the surface of the paper must be removed.
    綜上所述,印刷紙張產生脫粉、掉毛的原因除因紙張的表面強度低而引起以外,填料與膠料選用的不適當,壓光不實也是產生的原因。
    To sum up, besides the low surface strength of the paper, the improper selection of fillers and binders, and poor calendering are also the reasons for the de dusting and hair loss of printing paper.
    濟南印刷廠講解的內容  更多的內容  請咨詢公司官網http://www.mbtshoesclearanceinc.com/

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