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Home > Technical support > 锌酸盐滚镀锌​不上镀的原因

锌酸盐滚镀锌​不上镀的原因

Release Date:2019-09-18 Content Comes From:http://jlwjdd.com/en/

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锌酸盐滚镀锌不上镀的原因:
1、前处理除油除锈是否彻底;
2、镀槽温度是否过高(最好低于30度);
3、滚筒转速是否过快(7-12转/min),滚筒眼是否过小;
4、镀液成分、性能是否正常(通过分析和赫尔槽试验了解);
5、滚筒内导电坠(棒)导电及整个滚镀槽导电是否正常,装载量是否过大或少(一般滚筒体积60%),电流是否过小;
6、镀件形状结构是否适合滚镀(镀件都是片状平面结构容易叠粘在一起)等。

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