关于喷漆的问题 工件喷漆死角都有什么解决方法?最好详细点,谢谢。

2025-03-15 16:44:14
推荐回答(2个)
回答1:

工件喷漆前的相关表面处理方法,工件表面有的会有氧化皮、焊渣其他污物,这样喷漆不能使其牢固的附着在工件的表面,即使有涂层防护下也能继续腐蚀,使涂层剥落,影响工件的机械性能和使用寿命,要对工件做相关的表面处理,才能牢固地附着在工件的表面上,涂漆前对工件表面的处理有以下几点:无油污及水分,无锈迹及氧化物,无粘附性杂质,无酸碱等残留物,工件表面有一定的粗糙度
手工处理:用手工可以除去工件锈迹和氧化皮,这样操作效率非常低,而且质量也差。
化学处理方法:利用酸性或碱性溶液与工件表面待清理物发生化学反应,使其溶解在酸性或碱性的溶液中,以达到去除工件表面锈迹氧化皮及油污的目的。如果时间控制不当,会使工件产生过蚀现象。对于较复杂的结构件经酸性溶液酸洗后,浸入缝隙中的余酸不容易彻底清除,将成为工件腐蚀的隐患。
机械处理方法:利用离心力将弹丸加速,抛射至工件进行除锈清理的方法。缺点是灵活性差,清理工件时有些盲目性,在工件内表面易产生清理不到的死角。
用喷丸进行表面处理效果明显,对薄板工件处理时容易使工件变形,在现有的工件表面处理方法中,清理效果最佳的还数喷砂清理,用于工件表面要求较高的清理。其建设费用高,维修工作量及维修费用极大,喷砂过程中产生大量的矽尘无法清除,严重影响操作工人的健康并污染环境。

回答2:

软管喷枪,刷涂,电泳

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