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What are the cautions for electroplating hard chromium?

   Release time:2018-03-19 16:23   Come from:Linyi nine Sheng Power Machinery Co., Ltd.

Now many parts are processed by electroplating hard chromium process, so that the hardness, wear resistance, resistance to mild and corrosion resistance of parts can be increased. Its thickness is generally over 20 m. Do you know what matters need to pay attention to when plating hard chrome? Let's take a look at the advice we give you.
Some problems to be paid attention to when hard chromium electroplating is carried out.
1, the surface roughness of the parts requiring hard chromium plating is greater than 6.3 in order to ensure the surface quality.
2, in addition to oil to rust, the surface may not visible parts of the oil film and rust, otherwise it should be appropriate to extend the time to go to the net so far, but should avoid long time immersion, so as not to damage the parts. If there is black ash on the surface of the part after treatment, it must be brushed clean.
3. The parts of chromium plating should be treated without insulation before plating.
4, rack and parts should be connected firmly, good electrical conductivity, hanging method should be appropriate.
5. The impact current of the anode corrosion is 1.5 to 2 times of the normal Dk, and the time is 0.5 min ~ 2min.
I don't know how you do it when you have hard chrome plating. If you have a better way, welcome to share it with us.

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