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首頁 > 鋼管百科 > 螺旋鋼管防腐涂層厚度不均勻的原因分析

螺旋鋼管防腐涂層厚度不均勻的原因分析

日期:2020-08-11

螺旋鋼管涂裝過程中如果涂裝厚度不均勻,將不可避免地形成屠夫數據變質,這是由于要確保最薄的涂裝厚度達到最小規格,厚的部分厚度將大于涂裝規格厚度。而且,在不均勻的涂層條件下,很容易在最薄的鋼管上形成不符合標準條件的涂層厚度。生產過程中厚度不均勻的原因表明,幾天的不均勻排出,鋼管曲折有幾個主要原因。

螺旋鋼管防腐涂層厚度不均勻的原因分析

3PE防腐鋼管防腐蝕涂料不均勻的情況是有用的,以調節擠壓模數,使幾種防腐蝕涂料的厚度盡可能均勻,不合格的管材涂覆方法不是在線策略。

涂料外觀皺紋:聚乙烯材料擠壓纏繞到鋼管軋輥上的壓力要求,調節不當的過程可能會形成涂層外觀皺紋擠壓。另外,聚乙烯材料從擠出過程中的擠出方式中熔融膜破裂時會出現類似質量缺陷的褶皺,起皺現象,由于相應的控制方法不得不調整硬度和壓力輥及壓力輥的觀點,適量的聚乙烯擠出控制熔體膜破裂。

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