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深圳印刷廠車間里印刷機的叨口-深圳步殼印刷廠

From:Buke printing factory of China步殼印刷 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-10 | 769 Views | 🔊 Click to read aloud ❚❚ | Share:
與打印機不同的是,單張紙印刷機為了保證印刷品多色印刷時的套印準確,每台印刷機都安裝有叼牙裝置。一般叼牙叼住紙張的尺寸為10mm,印刷機無法在這一區域里進行印刷,這就是我們通常說的叼口白邊為10mm。因此在印前設計時,最終拼版印刷的圖案必須
先預留出10mm的叼口白邊。當然當紙張的幅面尺寸比較緊張時,這10mm的白邊可適當利用,但至少需留出6mm的空白
深圳印刷廠車間里印刷機的叨口

與打印機不同的是,單張紙印刷機為了保證印刷品多色印刷時的套印準確,每台印刷機都安裝有叼牙裝置。一般叼牙叼住紙張的尺寸為10mm,印刷機無法在這一區域里進行印刷,這就是我們通常說的叼口白邊為10mm。因此在印前設計時,最終拼版印刷的圖案必須
先預留出10mm的叼口白邊。當然當紙張的幅面尺寸比較緊張時,這10mm的白邊可適當利用,但至少需留出6mm的空白

深圳印刷廠

不同的印刷版面安排,對叼口白邊的要求也有所不同。印刷時版面的安排通常分為套版印和翻版印兩種情況。所謂套版印刷是指雙面印刷時,印刷完一面後須更換一塊或一組印
版,並將紙張翻一個面再進行另一面的印刷。這種情況下,由於印刷機叼牙叼住的是紙張的同一側,所以,印前設計時,只需考慮在紙張一側留下叼口白邊即可。翻版印刷是指雙面印刷時,印刷完一面後不需更換印版,只將紙張翻一面再進行同樣內容的印刷。翻版印刷時,在一個刷版面內,圖案內容必然存在偶數重復的關系,但根據版面圖案分佈的不同可分為自翻版和大翻版兩種情況。當印刷版面內圖案為左右偶數對稱重復時,就採用自翻版印刷,印刷時只需在保持紙張叼口位置不變的情況下,將紙張左右翻身即可。這種情況與套版印一樣只需在紙一邊留下叼口白邊。而當圖案為上下偶數對稱時,印刷時需將紙張上下翻身這時就需在紙張上下兩邊各留出10mm的叼口白邊

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