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BuKe factory >> knowledge >> 印刷公司印刷機旋轉式遞紙牙的故障

印刷公司印刷機旋轉式遞紙牙的故障

From:Buke printing factory of China深圳步殼印刷廠 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-18 | 411 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
印刷公司印刷機旋轉式遞紙牙的故障原因及排除故障方法如下：
印刷公司印刷機旋轉式遞紙牙的故障

印刷公司印刷機旋轉式遞紙牙的故障原因及排除故障方法如下：

海德堡多色膠印機產生拖梢紙皺,造成套印不準。

其原因是海德堡102型膠印機印刷過程中,發現印刷產品的拖梢部位有紙皺現象,並有套印不準的情況發生。

經分析檢查發現印刷的紙張拖梢有“荷葉邊”時,就會出現紙皺現象。

排除的方法:可以通過調節遞紙滾筒叼牙軸中心的“套印補償裝置”來解決,調節範圍在0.2~0.6m之間。如果該補償裝置還不能調好,則可以採用再調整遞紙牙的叼紙力的辦法。

該機構的遞紙牙墊在叼紙牙叼紙時,它與遞紙牙臺面成90°,當叼牙叼住紙張後,牙墊的上部先仰開逐漸大於90°,並同時略向下運動,故叼紙牙在叼紙的瞬間,若叼紙牙松緊不一致,每個叼紙牙叼住紙的距離不等。

緊的早叼,叼紙距離小;而松的遲叼,叼紙距離大,此時可將兩端紙邊上的叼紙牙叼紙力調松一些,讓它叼紙邊大些,再送往壓印滾筒進行印刷時,把紙張的“荷葉邊”糾正過來,印刷後的產品紙皺和拖梢部位套印不準的問題即可解決。

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