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| Study on Remove of Free-Form Surface Structure by Magnetic Polishing |
| LIN Longqiao, WANG Zhenzhong, CHEN Shiping |
| (School of Aerospace Engineering, Xiamen University, Xiamen 361000, China) |
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Abstract Magnetic polishing technique has wide application potential due to the high adaptability of flexible tool to
the workpiece surface. The relevant polishing tools were developed, and a test platform was established in the paper. The
workpiece finish had been greatly improved after spot polishing on stainless steel flat parts, and the average removal efficiency
was 0.231μm /10 min, which verified the feasibility of the magnetic polishing method. Then two kinds of free-form
surface structures were polished by magnetic polishing method. First, stainless steel parts with different curvatures were
polished by two different polishing feed movement ways. Experimental results showed that two polishing methods had the
ability to remove the contours of each curvature, and the removal amount falls between 0.14-1.33μm. Secondly, the removal
efficiency was between 8.957-12.587μm /10min after spot polishing the microstructured free-form surface, and the
smoothness of the contour is improved. Preliminary experiments showed that the magnetic polishing method had the ability
to remove both free-form surface structures, so it can explore further magnetic polishing technology used in deterministic
polishing of free-form surface structure.
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2017, 
