Abstract

The aim of this paper is to improve the quality of surface roughness of precision molds, which is difficult to control in the traditional polishing technology, and to provide a kind of equipment which is simple and easy to operate in orderto obtain a high precision in surface finishing and polishing. The combination of magnetic force polishing and electrophoretic polishing is mainly to combine the magnetic grinding mechanism with the electrophoretic deposition method to conduct finishing and polishing experiments. From the experimental results we can see that the combination of magnetic force and electrophoretic polishing can make the original roughness of the discharge surface of 1.7μm down to 0.08μm which is mirror effect after improving for 20 minutes. The experimental results show that the precision polishing combined with electrophoresis and magnetic grinding can effectively improve the surface roughness and therefore reduce technical and personnel training costs, shorten the production cycle time, and thus improve production efficiency. It can be concluded as a quite competitive technology in the industry.

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