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BuKe factory >> knowledge >> 印刷公司印刷機遞紙牙墊磨損造成套印不準

印刷公司印刷機遞紙牙墊磨損造成套印不準

From:Buke printing factory of China深圳步殼印刷廠 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-18 | 488 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
印刷公司印刷機遞紙牙墊磨損,造成套印不準。其原因是:膠印機印刷過程中,發現印張上局部出現網點拖後現象,而且無規律地出現。對照印品位置檢査遞紙牙的叼紙力比較正常,再檢查遞紙牙墊發現磨損嚴重。
印刷公司印刷機遞紙牙墊磨損造成套印不準

印刷公司印刷機遞紙牙墊磨損,造成套印不準。其原因是:膠印機印刷過程中,發現印張上局部出現網點拖後現象,而且無規律地出現。對照印品位置檢査遞紙牙的叼紙力比較正常,再檢查遞紙牙墊發現磨損嚴重。

故遞紙牙叼紙後加速遞送時,紙張局部有錯動並磨損牙墊,久而久之使牙墊已被磨損得高低不平。故叼紙力不夠,造成遞給壓印滾筒叼牙的紙張不穩定,在壓印滾筒叼牙叼紙帶其印刷時,由於壓力的作用,造成紙張產生變形,使局部套印不準。

排除的方法:
檢查遞紙牙墊磨損情況,如果磨損不太嚴重,可以通過調節叼紙力來解決。如果磨損嚴重,則應取下牙墊磨平,使所有牙墊都處於同一平面上,然後安裝好,調好壓力即可使用。

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