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BuKe factory >> knowledge >> 印刷公司印刷機軸承磨損造成縱向套印不準 ​

印刷公司印刷機軸承磨損造成縱向套印不準 ​

From:Buke printing factory of China深圳步殼印刷廠 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-18 | 479 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
印刷公司印刷機遞紙牙排軸承磨損,造成縱向套印不準。其原因是:在膠印機的印刷中,印品應該套印準確,但是,隨著印刷速度的提高,印品出現了前規套印不準,而且印跡逐步向著拖梢方向移動,側規套印不準確。
印刷公司印刷機軸承磨損造成縱向套印不準

印刷公司印刷機遞紙牙排軸承磨損,造成縱向套印不準。其原因是:在膠印機的印刷中,印品應該套印準確,但是,隨著印刷速度的提高,印品出現了前規套印不準,而且印跡逐步向著拖梢方向移動,側規套印不準確。

於是主要檢查遞紙牙機構,發現遞紙牙叼紙位置和交紙位置發生變化,此時對遞紙牙軸上的三個滾針軸承檢查發現是由於長時間缺油潤滑,而使滾針之間相互乾摩擦,造成滾針錯位,使滾針之間的間隙變大,迫使軸承內外圈壓力不均,使內外圈之間間距大小不一致,當印刷速度提高以後,在遞紙牙擺動沖擊下,影響遞紙牙交接紙張的準確位置,造成套印不準。

排除的方法:
更換同類型軸承,並進行潤滑,將遞紙牙軸裝好再試印,若無問題即可。

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