李双芝,武吉梅,唐嘉辉.单张纸印刷机理纸部纸张的空气动力学分析与机构优化[J].包装工程,2023,44(9):306-311.
LI Shuang-zhi,WU Ji-mei,TANG Jia-hui.Aerodynamic Analysis and Optimization of Paper Arrangement Section in Sheet-fed Printing Press[J].Packaging Engineering,2023,44(9):306-311. |
| 单张纸印刷机理纸部纸张的空气动力学分析与机构优化 |
| Aerodynamic Analysis and Optimization of Paper Arrangement Section in Sheet-fed Printing Press |
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| DOI：10.19554/j.cnki.1001-3563.2023.09.037 |
| 中文关键词: 理纸机构 纸张 空气动力学 射流 |
| 英文关键词: paper arrangement section paper aerodynamics air-jet flow |
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| 中文摘要: |
| 目的 提高单张纸印刷机理纸机构的理纸效率，使纸张快速、平稳地降落到收纸台上，从而提高整个印刷机的工作速度。方法 本文从空气动力学的角度，对单张纸印刷机高速运行状态下待收的纸张进行受力分析，构建单张纸印刷机理纸机构气流的空气动力学模型，用于指导理纸机构的优化。结果 提出了基于空气动力学分析的胶印机理纸机构优化思路，对南京造币公司J20型印刷机的理纸机构进行了优化改进。实验结果表明，优化后的机构理纸故障率减少了30%左右。结论 该研究对印刷机理纸机构的机构设计与优化开创了一个新的思路，此优化设计的机构收纸故障率明显降低。 |
| 英文摘要: |
| The work aims to improve the efficiency of the sheet-fed printing press, and make paper fall on the delivery table quickly and smoothly, so as to improve the speed of the press. From the perspective of aerodynamics, the force of the paper to be received under high-speed operation of the sheet-fed printing press was analyzed and the aerodynamic model of the air-jet flow was constructed and used to guide the optimization of the paper arrangement section. The optimization idea of the paper arrangement section of offset press based on aerodynamic analysis was put forward. The paper arrangement section of J20 press in Nanjing Mint Company was optimized and improved. The experimental results showed that the failure rate of the optimized paper arrangement section was reduced by about 30%. This study provides a new idea for design and optimization of the paper arrangement section, which significantly improves the paper delivery efficiency. |
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