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BuKePrinting >> Questions >> 什麽是印刷廠家按需噴墨印刷

什麽是印刷廠家按需噴墨印刷

From:Buke printing factory of China深圳步殼印刷廠 | Author:China Bukeprinting factorybook0755 | Published time: 2020-08-08 | 813 Views | Share:
印刷廠家按需噴墨( drop-on-demand)是指僅在需要噴墨的圖文部分噴出墨滴,而在空白部分則沒有墨滴噴出。

什麽是印刷廠家按需噴墨印刷

印刷廠家按需噴墨( drop-on-demand)是指僅在需要噴墨的圖文部分噴出墨滴,而在空白部分則沒有墨滴噴出。

按需噴墨方式避免了墨滴帶電、偏轉及墨水回收的復雜性和不可靠性,簡化了印刷機的設計和結構;噴頭結構簡單,容易實現噴頭的多嘴化,輸出質量更為精細;通過脈沖控制,數字化容易;分別選用黃品青油墨和噴頭即可實現彩色記錄;但一般墨滴噴射速度較低


按需噴墨系統必須以脈沖的方式工作,墨滴噴射的動力來源與技術有關。

例如熱噴墨系統的墨滴噴射動力來自氣泡生長和破裂,壓電噴墨設備的墨滴噴射動力來自壓電元件按輸入電壓或電流等比例地輸出的墨水腔的物理變形,相變噴墨打印頭則因採用壓電原理,需加熱固體油墨,與常規壓電噴墨不同。

由此可見,不同的按需噴墨技術必須按不同的工作原理為打印頭的墨滴生成和噴射提供動力,歸結為提供不同的驅動脈沖。

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