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BuKe factory >> Design >> 印刷覆膜工藝常見故障4.皺膜

印刷覆膜工藝常見故障4.皺膜

From:Buke printing factory of China | Author:China Bukeprinting factorybook0755 | Published time: 2020-10-23 | 408 Views | 🔊 Click to read aloud ❚❚ ▶ | Share:
印刷覆膜工藝常見故障4.皺膜

印刷覆膜工藝常見故障4.皺膜

①薄膜傳送輥不平衡。應調整傳送輥


②薄膜兩端松緊不一致,出現波浪邊。應更換合格薄膜


③膠層過厚,溶劑蒸發不徹底,影響了黏合劑黏度受壓力滾筒擠壓,紙張(印刷品)與薄膜之間產生滑動。應調整塗膠量,提高烘道溫度


④電熱輥與膠輥兩端不平,壓力不一致,線速度不相等。應調整兩個輥子


⑤拉力不夠使薄膜走速不均勻,會引起薄膜起皺應調整壓力,使之正常。


⑥薄膜上塗料層錶面乾燥不徹底,也會引起薄膜起皺。提高烘乾溫度即可解決。


⑦溫度偏高,進紙時引起薄膜起皺。覆膜工藝中,加溫的目的是使薄膜軟化,使紙張與塑料薄膜相黏合,因此應採用風扇冷卻,關閉電熱絲或其他加熱設備,盡快使溫度恢復正常。

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印刷覆膜工藝常見故障4.皺膜
印刷覆膜工藝常見故障4.皺膜

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