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印刷廠深圳-印刷畫冊-紙盒定做-愛採購
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深圳印刷廠-畫冊印刷-包裝盒定做-阿裡巴巴1688

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深圳印刷廠-畫冊印刷-包裝盒定做-包裝廠家-深圳步殼印刷廠

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在印刷中膠輥的正確使用方法

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-06-17 | 1381 Views | Share:
首先要把膠輥兩邊清洗乾凈,然後選用規格、型號等均符合機台設計要求的軸承,並在各個配合面上均勻塗抹一層潤滑油,再用安裝軸承的專用套管對軸承均勻用力,使其順利地安裝到位。切忌對軸承錶面直接施力,以免損壞軸承。

  1.正確安裝膠輥軸承


  首先要把膠輥兩邊清洗乾凈,然後選用規格、型號等均符合機台設計要求的軸承,並在各個配合面上均勻塗抹一層潤滑油,再用安裝軸承的專用套管對軸承均勻用力,使其順利地安裝到位。切忌對軸承錶面直接施力,以免損壞軸承。


  2.規範調節水墨輥之間的壓力

印刷廠

  印刷過程中,水輥、墨輥必須連續不斷地、均勻地向印版提供適量的水和墨,這樣才能獲得墨色一致的印品。因此,膠輥與膠輥之間、膠輥與印版之間,必須保持恰當的壓力,才能實現油墨的良好傳遞。為了確保水輥、墨輥之間的壓力,須採用軋墨杠寬度的方法,主要包括以下幾點。


  (1)在乾凈的膠輥上均勻添加適量的黃墨,然後運轉機器,使油墨均勻地分佈在墨輥錶面。


  (2)點動印刷機,查看壓杠寬度,值得註意的是每次查看壓杠寬度前,要使印刷機靜止20秒左右,再點動印刷機,就可再次得到清晰的壓杠。


  (3)應優先調節靠版墨輥和串墨輥之間的壓力,再調節靠版墨輥和印版的接觸壓力,然後再分別調節其他串墨輥之間的壓力。


  (4)參照印刷機操作說明,墨輥之間的壓杠寬度一般以4mm為宜。但對於直徑較小、敏彈性較好的墨輥,其壓杠寬度以3mm為宜;反之,其壓杠寬度以5mm為宜。


  (5)水輥之間的壓杠寬度應以5~6mm為宜。水輥對計量輥的壓力,一般應以水輥兩端的水膜層剛好沒有明顯的水珠為宜。


  (6)當所有的水輥、墨輥壓力調好後,要及時把各個調節螺絲固定好,以免印刷機轉動後又全部跑位。

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