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首页> 外文会议>Appita Annual Conference and Exhibition incorporating the ISWFPC(International Symposium on Wood, Fibre and Pulping Chemistry) vol.1: Appita Conference Sessions; 20050516-19; Auckland(NZ) >Comparison of size distributions of lint particles from different printing operations
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Comparison of size distributions of lint particles from different printing operations

机译：比较来自不同印刷操作的皮棉颗粒的尺寸分布

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摘要

Linting is the removal of material from the surface of newsprint grades during the offset. Excessive linting leads to a reduction in image quality and can reduce press productivity. In this paper, the length and size distributions of lint from a large commercial offset press, a small commercial offset press and a laboratory pick test were measured. The lint removed on the large commercial press at the first colour was smaller in both area and length than at application of the last colour. The lint removed in the last printing station of the commercial press had similar distributions in size and length to the lint removed in the small commercial printing press. The size and area of the lint removed in the small commercial press did not depend on the tack of the ink. As was expected, the pick test removed far more lint than either commercial press. The length and area of the lint was also far larger than the material removed as lint on the commercial press. This disparity between the size distributions of the lint produced in the commercial and laboratory pick test suggests that the results of the pick test cannot be assumed automatically to be relevant to linting in commercial offset printing.
机译：掉毛是在胶印过程中从新闻纸牌号表面去除的材料。过多的掉毛会导致图像质量下降，并可能降低印刷机的生产率。在本文中，测量了大型商业胶印机，小型商业胶印机和实验室拾取测试的皮棉的长度和尺寸分布。在大型商业印刷机上，从第一种颜色除去的棉绒在面积和长度上都比在施加最后一种颜色时小。在商业印刷机的最后印刷站中去除的棉绒在尺寸和长度上的分布与在小型商业印刷机中去除的棉绒的分布类似。在小型商业印刷机中除去的棉绒的大小和面积不取决于油墨的粘性。不出所料，抽签测试去除的皮棉比任何一家商业出版社都要多。棉绒的长度和面积也远大于在商业印刷机上作为棉绒去除的材料。在商业和实验室抽签测试中产生的皮棉尺寸分布之间的这种差异表明，抽签测试的结果不能自动假定为与商业胶印中的棉绒有关。

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