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BuKe factory >> Design >> 印刷覆膜工藝常見故障5.皺紙

印刷覆膜工藝常見故障5.皺紙

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-10-23 | 475 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
印刷覆膜工藝常見故障5.皺紙

印刷覆膜工藝常見故障5.皺紙

覆膜用紙張一般為銅版紙、膠版紙及白板紙等。在覆膜時出現紙張起皺現象,一般有以下幾種情況。


①車間的溫濕度控制不當。相對濕度過高,紙張吸潮起“荷葉邊”,造成覆膜過程中紙張起皺,必須嚴格控制車間的溫濕度。


②環境溫度過高或覆膜溫度偏高,紙張會緊邊也可能起皺。可用壓板壓平,覆膜前增加對紙張敲和揉的次數,並降低環境及覆膜溫度。


③輥子壓力不均勻,造成覆膜過程中紙張起皺。遇到這種情況,應先校正壓力,然後再開機操作。


④膠輥不平,造成覆膜中紙張起皺,應調換新的膠輥或將舊膠輥磨平再用。


⑤膠輥上有污物,造成覆膜時紙張起皺,應該及時清洗膠輥,使其經常保持清潔。

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印刷覆膜工藝常見故障5.皺紙
印刷覆膜工藝常見故障5.皺紙

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