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BuKe factory >> knowledge >> 印刷公司印刷機叼紙壓力不一致造成套印不準

印刷公司印刷機叼紙壓力不一致造成套印不準

From:Buke printing factory of China深圳步殼印刷廠 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-18 | 570 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
印刷公司印刷機遞紙牙的叼紙壓力不一致,造成套印不準。其原因是:膠印機遞紙牙的叼紙力的大小,經調整後才開機印刷,但機器使用一段間後,由於遞紙牙在擺動中沖擊磨損及螺釘松動等因素影響下,有的叼牙的叼紙力變小,在印刷過程中,叼紙力小的牙,叼紙過程特別是在加速遞送中紙張在叼牙上有錯動,在交給壓印滾筒叼牙時,紙張的叼口尺寸不一致,在印刷過程中由於印刷壓力的影響,造成印張上局部套印不準。
印刷公司印刷機叼紙壓力不一致造成套印不準

印刷公司印刷機遞紙牙的叼紙壓力不一致,造成套印不準。
其原因是:膠印機遞紙牙的叼紙力的大小,經調整後才開機印刷,但機器使用一段間後,由於遞紙牙在擺動中沖擊磨損及螺釘松動等因素影響下,有的叼牙的叼紙力變小,在印刷過程中,叼紙力小的牙,叼紙過程特別是在加速遞送中紙張在叼牙上有錯動,在交給壓印滾筒叼牙時,紙張的叼口尺寸不一致,在印刷過程中由於印刷壓力的影響,造成印張上局部套印不準。
出現這種現象時,把印張局部套印不準部分對準遞紙牙排檢查,才能發現問題

排除的方法:
停機對著已經找到的遞紙牙排的叼牙檢查並進行壓力調節。調節時轉動調節螺絲,以改變撐簧的壓縮量,即可增加叼紙力。
如果此時叼紙力還達不到要求。則需松開緊固螺釘動改變箍牙軸的固定位置,增加撐簧的壓縮量使遞紙牙得到所需要的壓力,調好後緊固螺釘,以防回松,然後開機印刷,即可解決問題。

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