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BuKePrinting >> Bookprinting >> 如何檢測平版印刷品的質量

如何檢測平版印刷品的質量

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-30 | 478 Views | Share:
如何檢測平版印刷品的質量

如何檢測平版印刷品的質量

(1)平版印刷品質量的檢測條件為:作業環境呈白色;作業環境防塵、整潔;作業間溫、濕度的要求為,溫度23℃±5℃,相對濕度50%~75%;觀樣光源符合GY/T3的規定



(2)檢驗形式是,印刷過程中檢驗和產品乾燥後抽檢



(3)檢驗儀器或工具有:密度計,30~50倍讀數放大鏡,常規檢驗用10~15倍放大鏡;符合規定的計量工具,網點增大值的計算方法,相對反差值(K值)的計算方法,測控條,對光譜無選擇、漫反射、具有1.50~0.20ISO視覺反射密度的黑色底襯。



(4)檢驗方法


①測量方法用規定的儀器和工具檢驗印刷品質量,印刷品應放置在符合要求的黑色底襯上,如果印刷承印物透光程度很高,


②計演算法用專門的數學模型檢驗印刷品質量。


③目測法目測或借助工具檢驗印刷品質量


④比較法以常規條件印刷的色標、梯尺和測控條為參照物,檢驗印刷品質量。


⑤專家鑒定法由出版、設計和印刷專家檢驗印刷品質量。

如何檢測平版印刷品的質量
如何檢測平版印刷品的質量

 

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