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BuKePrinting >> 包裝印刷廠的印刷方式之凹版印刷

包裝印刷廠的印刷方式之凹版印刷

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-08-18 | 701 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
凹版印刷,簡稱凹印。顧名思義,其印版版面圖文部分凹入,空白部分高於圖文部分。印刷時將做成滾筒形狀的印版浸泡在油墨槽中,同時不停地旋轉,此時版面塗布上一層油墨,經刮墨刀將印版錶面的油墨刮凈後,印版上僅有凹入的圖文部分含有油墨,然後在印刷機壓力的作用下,使印版上的油墨轉移到承印物上。

包裝印刷廠的印刷方式之凹版印刷

凹版印刷,簡稱凹印。顧名思義,其印版版面圖文部分凹入,空白部分高於圖文部分。

包裝印刷廠的印刷方式之凹版印刷

印刷時將做成滾筒形狀的印版浸泡在油墨槽中,同時不停地旋轉,此時版面塗布上一層油墨,經刮墨刀將印版錶面的油墨刮凈後,印版上僅有凹入的圖文部分含有油墨,然後在印刷機壓力的作用下,使印版上的油墨轉移到承印物上。

凹印印版由於圖文部分凹入版面,其凹入的深淺不一致,凹入越深的地方,印刷產生的墨層就越厚,呈現的色彩就越濃,反之,呈現的色彩就越淡。

因此,凹版印刷借助於墨層厚薄的不同來真實地表現圖像層次變化(濃淡層次),這類似於連續調原稿,它在表現畫稿的中間調時效果更好,能真實地再現原稿的層次變化,由此加工出來的包裝印刷品,墨層厚實,層次清晰,特別適合包裝、裝潢印刷效果的要求。

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