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BuKe factory >> Questions >> 印刷包裝廠確定最佳印刷壓力的條件是什麽

印刷包裝廠確定最佳印刷壓力的條件是什麽

From:Buke printing factory of China步殼印刷 | Author:China Bukeprinting factorybook0755 | Published time: 2020-07-10 | 590 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
印刷機工作正常。平版印刷機滾筒在壓印時必須保持中心線平行,滾筒齒輪分度圓相切,滾筒實際半徑相等,各滾筒(包襯後)錶面線速度一致。​(2)根據紙張調整壓縮量。不同的紙張、橡皮布滾筒和壓印滾筒之間的壓縮量不同。銅版紙錶面平滑、質地緊密,所需的壓縮量就小,若壓縮量過大,印跡的變形增大,很容易糊版。膠版紙、書寫紙等紙張錶面粗糙度大、質地疏鬆,需要的壓縮量就大,若不增大壓縮量,有的地方就有可能印不上
印刷包裝廠確定最佳印刷壓力的條件是什麽?

印刷包裝廠確定最佳印刷壓力的條件有以下幾點:

印刷包裝廠

(1)印刷機工作正常。平版印刷機滾筒在壓印時必須保持中心線平行,滾筒齒輪分度圓相切,滾筒實際半徑相等,各滾筒(包襯後)錶面線速度一致。

(2)根據紙張調整壓縮量。不同的紙張、橡皮布滾筒和壓印滾筒之間的壓縮量不同。銅版紙錶面平滑、質地緊密,所需的壓縮量就小,若壓縮量過大,印跡的變形增大,很容易糊版。膠版紙、書寫紙等紙張錶面粗糙度大、質地疏鬆,需要的壓縮量就大,若不增大壓縮量,有的地方就有可能印不上

(3)保持水墨平衡。水墨平衡是印刷質量的保證。隨著印刷壓力的變化、水墨平衡也隨之改變,印刷壓力過大,印跡易鋪展,導致水大墨大的惡性循環,破壞了水墨平衡。

(4)印刷條件最佳。印版親水性、印刷色序、環境、溫濕度等因素都必須達到最佳適性,才能達到最佳的印刷壓力。
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