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| 基于图像处理的胶版印刷过程纸张掉毛掉粉问题预测方法研究 |
| Research on Prediction Method of Paper Linting and Dusting in Offset Printing Process Based on Image Processing |
| 收稿日期：2022-06-02 |
| DOI：10.11980/j.issn.0254-508X.2023.01.012 |
| 关键词: 纸张 掉毛掉粉 耐印长度 耐印性 胶版印刷 |
| Key Words:paper linting and dusting print-resistant length printing resistance offset printing |
| 基金项目:浙江省“尖兵”研发攻关计划项目（2022C01066）；浙江省自然科学基金项目（LY20C160006）。 |
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| 摘要:本研究建立了一种胶版印刷加工过程中，纸张表面掉毛掉粉问题的量化预测方法。选用某纸企的5个不同批次低定量涂布纸为纸样，研究了耐印性与表面性能、掉毛掉粉颗粒面积及数量等相关参数的关系。在实验建立的测试方法条件下，在纸张后加工过程中，耐印性与大颗粒（颗粒面积0.02~0.3 mm2）及小颗粒（颗粒面积<0.02 mm2）的数量均呈负相关性。通过对另一纸企纸样进行测试方法验证，发现由预测耐印长度曲线得到的耐印长度预测值与实际耐印长度相符。 |
| Abstract:A quantitative prediction method for the problem of paper surface linting and dusting in offset printing process was established in this study. Five different batches of light weight coated paper from a paper enterprise were selected as paper samples， and the relationship between printing resistance and related permeants such as surface performance， particle area and number of linting and dusting was studied. Under the conditions of test method established in the experiment， the print resistance of the paper in the post-processing was negatively correlated with both of the number of large particles （particle area of 0.02~0.3 mm2） and the number of small particles （particle area <0.02 mm2）. By testing the paper samples from another paper enterprise， the predicted print-resistant length value obtained from the print-resistant length prediction curve was consistent with the actual print-resistant length. |
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