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BuKePrinting >> knowledge >> 深圳印刷公司印刷機水輥兩端粘墨的原因

深圳印刷公司印刷機水輥兩端粘墨的原因

From:Buke printing factory of China深圳步殼印刷廠 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-18 | 681 Views | Share:
印刷公司印刷機印版襯墊不合理造成著水輥兩端粘墨。其原因是:在國產膠印機上,操作者將襯墊紙寬度與印版寬度相同,當機器在印刷過程中,經常出現洗版擦膠等操作,不免使印版下的襯紙被水浸濕,然後浸濕的襯紙就會膨脹,此時相當於增加了印版襯墊的厚度,也就是增加了著水輥與印版滾筒之間的壓力,嚴重時會使著水輥失去傳水作用,反而使著水輥兩端粘墨。
深圳印刷公司印刷機水輥兩端粘墨的原因

印刷公司印刷機印版襯墊不合理造成著水輥兩端粘墨。其原因是:在國產膠印機上,操作者將襯墊紙寬度與印版寬度相同,當機器在印刷過程中,經常出現洗版擦膠等操作,不免使印版下的襯紙被水浸濕,然後浸濕的襯紙就會膨脹,此時相當於增加了印版襯墊的厚度,也就是增加了著水輥與印版滾筒之間的壓力,嚴重時會使著水輥失去傳水作用,反而使著水輥兩端粘墨。

如果印版襯紙比印版短得多,印版滾筒兩端同著水輥之間失去壓力,使印版兩端接觸不到水,會使印版滾筒兩端粘墨,而且會逐漸堆積,最後導致著水輥兩端嚴重粘墨。這樣著水輥粘墨依靠調節壓力不能解決問題。

排除的方法:當發現上述兩種情況的任何一種,經過調節著水輥與串水輥、著水輥與印版滾筒之間壓力未能排除故障的情況下,要拆下印版,檢查一下襯紙寬度尺寸(一般情況下比印版寬度尺寸小15mm左右為宜)。

發現印版襯墊紙幾乎與印版寬度相同,此時用千分尺測量襯紙總厚度,並數清襯紙張數,然後打出相同的襯紙,相同的張數(如果不相同的紙,則應保持厚度尺寸一致),並測量襯紙的總厚度,若厚度不同,就等於改變了印版滾筒直徑,為此引起其他故障麻煩,然後裝好印版,開機試印,故障即可排除。

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