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Abstract

The disclosure relates to a permanent magnet-electromagnet hybrid array type magnetorheological polishing device, comprising a polishing mechanism, a main excitation device arranged on the polishing mechanism, and auxiliary permanent magnet sets used for driving magnetorheological liquid to be recycled. The main excitation device is a permanent magnet-electromagnet hybrid array comprising main excitation permanent magnets and fine-adjustment electromagnetic excitation devices connected with the main excitation permanent magnets. Each fine-adjustment electromagnetic excitation device comprises a coil and a coil retaining pile. The main excitation device further comprises a permanent magnet-electromagnet device connecting plate made from a non-magnetically conductive material. The disclosure can improve magnetorheological polishing efficiency, reduce the size of the excitation device, and balance and control the thickness of a ribbon array, thus realizing high-accuracy and high-quality machining of the surfaces of elements and recycling of magnetorheological liquid.

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First Claim