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BuKePrinting >> Bookprinting >> 印刷上光工藝印品起泡的解決

印刷上光工藝印品起泡的解決

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-09-30 | 420 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
當光油的性能不好、壓光速度過快、壓光鋼帶溫度過高或錶面有雜質、壓光壓力過大等不良情況存在時,容易使壓光後的印品出現起泡故障。

印刷上光工藝印品起泡的解決

當光油的性能不好、壓光速度過快、壓光鋼帶溫度過高或錶面有雜質、壓光壓力過大等不良情況存在時,容易使壓光後的印品出現起泡故障。



預防和解決辦法:

(1)選擇上光油時,要求它的成膜性好,能與面紙和油墨良好地親和,並具有較好的熱塑性,在一定的壓光溫度和壓力條件下,塗料膜層能夠迅速軟化變薄,進而產生鏡面光澤效果。


(2)適當降低壓光速度,以防止剝離過快產生過強的張力。



(3)切忌採用超高溫進行壓光,要根據材料的厚薄、機器的特性和速度等情況,採用合適的溫度進行壓光。



(4)對壓光鋼帶錶面經常進行清潔,防止異物黏附在鋼帶上。



(5)用適度的壓力進行壓光,避免壓力過大而破壞塗料膜層。

印刷上光工藝印品起泡的解決
印刷上光工藝印品起泡的解決

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