| 加网线数对网点复制特性影响的实验研究 |
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| 引用本文： | 蒋文燕,薛国兴,司莉莉.加网线数对网点复制特性影响的实验研究[J].杭州应用工程技术学院学报,2009(2):115-118. |
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| 作者姓名： | 蒋文燕 薛国兴 司莉莉 |
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| 作者单位： | [1]浙江理工大学材料与纺织学院,杭州310018 [2]浙江科技学院轻工学院,杭州310023 |
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| 基金项目： | 浙江省教育厅科研计划项目（Y200805700） |
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| 摘 要： | 采用实验研究方法对不同加网线数下基于CTP流程的胶印印刷品的网点复制特性、不同加网线数下PS版网点的再现进行了测试和分析。分析了不同加网线数下印刷品在实地密度、网点面积、光谱值、色度值、相对反差、网点扩大等方面的差异及其原因，提出了进一步提高印刷质量的方法，从而获得了对印刷企业实施规范化、标准化生产，提高和稳定产品质量具有指导和实用价值的结论。
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| 关 键 词： | 计算机直接制版 加网线数 网点扩大 相对反差 |
Experimental study on the influence of screen ruling to the dot reproduction characteristics |
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| JIANG Wen-yan,XUE Guo-xin,SI Li-li.Experimental study on the influence of screen ruling to the dot reproduction characteristics[J].Journal of Hangzhou Institute of Applied Engineering,2009(2):115-118. |
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| Authors: | JIANG Wen-yan XUE Guo-xin SI Li-li |
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| Affiliation: | 1. Faculty of Materials and Textiles, Zhejiang Sci-Tech University, Hangzhou 310018, China; 2. School of Light Industry, Zhejiang University of Science and Technology, Hangzhou 310023, China) |
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| Abstract: | By using experiment methods, the dot reproduction charcteristics in offset printing based on computer to plate process with differnt screen rulings are tested and carried out, and the different reproduction conditions of the dot on presensitised plate are measured and analysed, too. The different charecteistics of the prints with different screen rulings are detail analysed, such as solid density, dot size, light spectrum, chromaticity of Lab, relative contrast, and dot gain. The method to improve printing quality is put forward. Conclusions are drawn, which can be used for normalizing the manufacturing process to upgrad and stablize the prints＇ quality. |
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| Keywords: | computer to plate screen ruling dot gain relative contrast |
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