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钣金工件表面工艺之磷酸盐皮膜处理

2018-06-28 23:17:58 腾讯分分彩开奖直播 阅读

钣金加工行业近几年发展的十分迅速,人们对它的关注度也是越来越大,但还是有一些大家不太了解的。比如说钣金加工中的表面处理技术,它的工艺操作流程是怎么样的?

专门针对钣金加工件进行的表面处理有很多,其中常用的主要是磷酸盐皮膜处理,也是说我们常说的磷化处理。处理后的工件会有一层磷酸盐皮膜,从而使得工件各方面的性能都有所增强,这是因为磷酸盐皮膜有着良好的性质。

比如说它的耐蚀性非常好,只是不能耐酸;由于磷酸盐膜具有多孔构,因此它还有较好的吸附性;并且在电绝缘方面也有显著的效果;更关键的是,这种物质不粘附熔融金属,因此可以保护不需要浸涂的部分。

The sheet metal processing industry has developed rapidly in recent years, and people pay more and more attention to it. For example, surface treatment technology in sheet metal processing, what is its technological operation process?

There are many surface treatments specially for sheet metal parts. The phosphate coating is commonly used, which is also the phosphating treatment we often talk about. The treated workpiece will have a layer of phosphate film, which makes the performance of the workpiece increased in all aspects, which is due to the good properties of the phosphate film.

For example, its corrosion resistance is very good, but it can not withstand acid; because the phosphate film has a porous structure, it has better adsorption; and it has a significant effect on electrical insulation; more importantly, this substance does not adhere to the molten metal, so it can protect the parts that do not need to be impregnated.



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