Sheet Metal Parts
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The keyboard keycap also has a variety of styles, metal keycap in the process of reproduction will need to be polished, because the top of the metal keycap generally has radian, and the overall trapezoid, so that it's in the process of grinding cumbersome.


What are the methods of metal polishing?


In current industrial production, the most common process is electrolytic polishing, magnetic polishing, chemical polishing.


Electrolytic polishing process, the anode is polished workpiece, inactive metal as the cathode, the poles are placed in the electrolytic cell, direct current, the anode is polished workpiece dissolved, so as to remove the workpiece surface roughness, so as to achieve better brightness.


Magnetic polishing process, the use of magnetic force drag stainless steel needle abrasive, rapid rotation, thus, to remove burrs, to achieve the role of brightness.


Chemical polishing process, chemical polishing agent is commonly used to selectively dissolve the concave and convex area of the metal surface, kill scratches, erosion leveling, and achieve the effect of surface brightness.

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