Electropolishing of stainless steel decorative plate is the principle that the anode on the metal surface is first dissolved in a specific electrolyte and has an appropriate current density.
I. advantages of electrolytic polishing
1, the internal and external color is consistent, luster lasting, difficult to use mechanical polishing hard materials, soft materials and thin wall, complex shape, small parts and products can be processed;
2, polishing time is short, can simultaneously polish multiple stainless steel decorative plate, high production efficiency, low cost.
Advantages and disadvantages of electropolishing and chemical polishing of stainless steel decorative plate
3, increase the corrosion resistance of the workpiece surface.
4, the polishing surface will not have deterioration layer, no additional stress, can remove or reduce the original stress layer.
Disadvantages of electrolytic polishing: mainly in the pre-polishing process of complex, poor universality of electrolyte, short service life, strong corrosion, difficult to deal with.Applications of electropolishing are limited.
Chemical polishing
1. The essence of chemical polishing is similar to that of electrolytic polishing. It is also the method of dissolving the surface of stainless steel decorative plates and the selective dissolving of chemical reagents on the uneven surface of samples to eliminate wear marks, etches and leveling.
2. Advantages of chemical polishing: chemical polishing equipment is simple and can handle parts with more complex shapes.
3. Disadvantages of chemical polishing: the quality of chemical polishing is not as good as that of electrolytic polishing;The adjustment and regeneration of solutions for chemical polishing is difficult and limited in application;In the process of chemical polishing, nitric acid will release a large amount of yellow-brown harmful gas, which is very serious to the environment.
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Post time: May-22-2019