文章摘要
陈锦华,何邦贵,段正红,金琨,张吕良,夏家良,王琪.提高镭射光柱卡纸色标光检测信号识别精度研究[J].包装工程,2023,44(9):275-281.
CHEN Jin-hua,HE Bang-gui,DUAN Zheng-hong,JIN Kun,ZHANG Lyu-liang,XIA Jia-liang,WANG Qi.Improvement of Identification Accuracy of Color Label Light Detection Signal in Laser Column Paperboard[J].Packaging Engineering,2023,44(9):275-281.
提高镭射光柱卡纸色标光检测信号识别精度研究
Improvement of Identification Accuracy of Color Label Light Detection Signal in Laser Column Paperboard
  
DOI:10.19554/j.cnki.1001-3563.2023.09.033
中文关键词: 镭射光柱纸  色标检测传感器  套印色标  滤光镜片
英文关键词: laser column paper  color label detection sensor  set color label  filter lens
基金项目:云南省科技计划项目(2019DC005);云南九九彩印有限公司合作项目(649320200029);大理美登印务有限公司合作项目(2022K0004A)
作者单位
陈锦华 昆明理工大学 机电工程学院昆明 650500 
何邦贵 昆明理工大学 机电工程学院昆明 650500 
段正红 大理美登印务有限公司云南 大理 671000 
金琨 大理美登印务有限公司云南 大理 671000 
张吕良 大理美登印务有限公司云南 大理 671000 
夏家良 云南九九彩印有限公司昆明 650000 
王琪 云南九九彩印有限公司昆明 650000 
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中文摘要:
      目的 针对凹版印刷以镭射光柱纸作为承印物,镭射光柱对色标检测传感器产生干扰,致使镭射光柱纸不能使用传统套印工艺进行印刷,提出一种可直接在镭射光柱区域直接印刷套准色标的新工艺与技术方案。方法 对色标传检测感器检测原理进行分析,分析镭射光柱纸的特点以及对色标传感器造成的干扰。根据镭射光柱光谱反射率曲线来进行滤光镜片的选取,同时也加入衰减镜片以及消光膜进行组合实验测量电压,实验使用松德凹印机组进行。以白卡纸套印电压作为参考,选取不同镜片组合进行生产打样。结果 镜片组合可以滤除镭射光柱,色标传感器能准确检测色标光信号,上机打样满足高精度多色套印,且不需要复杂的镂空、遮盖工艺,节省了一组色序,并节省了2%的承印物原材料。结论 对色标检测传感器检测原理的分析以及对镭射光柱纸的光谱反射率曲线的测量,实现了使用滤光镜片组合对镭射光柱的滤除,证明了套准标记可直接印刷在镭射光柱区域的可行性。同时,提高了承印物的利用率,减低了油墨使用量。
英文摘要:
      In the gravure printing with laser column paper as the printing material, the laser column interferes with the color label detection sensor, causing the laser column paper unable to be printed by the traditional overprinting process. Therefore, the work aims to propose a new process and technology solution to print the registration color label directly in the laser column area. The detection principle of the color label sensor was analyzed, and the characteristics of the laser column paper and the interference caused to the color label sensor were analyzed. The filter lenses were selected based on the spectral reflectance graph of the laser column, and the attenuating lenses and extinction films were also combined for the experimental measurement of voltage, which was carried out by the Songde gravure printing machine set. Different combinations of lenses were selected for production proofing with the ivory board overprint voltage as a reference. The combined lenses could filter out the laser column, the color label sensor could accurately detect the color light signal, and the onboard proofing met the high precision multi-color overprinting. In addition, complicated hollowing and masking process were not required, which saved a set of color sequence and 2% of printing raw materials. The analysis on the detection principle of the color label detection sensor and the measurement of the spectral reflectance curve of the laser column paper enable the filtering of the laser column by a combination of filter lenses and demonstrate the feasibility of printing the registration label directly in the laser column area. At the same time, the utilization of printing materials is improved and the amount of ink used is reduced.
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