Optimization of process parameters for finishing the bottom surface of inner groove by magnetic grinding

CHEN Fayu; SUN Yuli; WANG Liaoyuan; ZHANG Peng; SHENG Yi; NISHIKAWA Naohiro

doi:10.13394/j.cnki.jgszz.2021.0122

Volume 42 Issue 2

May 2022

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CHEN Fayu, SUN Yuli, WANG Liaoyuan, ZHANG Peng, SHENG Yi, NISHIKAWA Naohiro. Optimization of process parameters for finishing the bottom surface of inner groove by magnetic grinding[J]. Diamond & Abrasives Engineering, 2022, 42(2): 216-222. doi: 10.13394/j.cnki.jgszz.2021.0122

Citation:

CHEN Fayu, SUN Yuli, WANG Liaoyuan, ZHANG Peng, SHENG Yi, NISHIKAWA Naohiro. Optimization of process parameters for finishing the bottom surface of inner groove by magnetic grinding[J]. Diamond & Abrasives Engineering, 2022, 42(2): 216-222. doi: 10.13394/j.cnki.jgszz.2021.0122

Citation:

CHEN Fayu, SUN Yuli, WANG Liaoyuan, ZHANG Peng, SHENG Yi, NISHIKAWA Naohiro. Optimization of process parameters for finishing the bottom surface of inner groove by magnetic grinding[J]. Diamond & Abrasives Engineering, 2022, 42(2): 216-222. doi: 10.13394/j.cnki.jgszz.2021.0122

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Optimization of process parameters for finishing the bottom surface of inner groove by magnetic grinding

doi: 10.13394/j.cnki.jgszz.2021.0122

1.
College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2.
Nanjing Xinghe Precision Intelligent Manufacturing Research Institute, Nanjing 211106, China
3.
Iwate University, Morioka 020-8551, Japan
4.
Nanjing Huaceda Precision Machinery Co., Ltd., Nanjing 211106, China

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Received Date: 2021-11-02
Accepted Date: 2022-02-18
Rev Recd Date: 2022-01-27

Abstract

Abstract

To improve the efficiency and effect of magnetic grinding the bottom surface of inner groove and seek a solution of finishing inner groove of the special-shaped waveguide, the orthogonal test was used to investigate the effect of three major process parameters, namely steel grit size, process gap and magnetic pole rotating speed, on the surface roughness reduction rate ΔR_a. Meanwhile, the process parameters were analyzed and optimized by the range analysis method and the variance analysis method. The best process parameters were confirmed: steel ball diameter of 1.0 mm, process gap of 1 mm, and magnetic pole rotation speed of 800 r/min. It demonstrated that after 30 minutes of processing, many protrusions on the surface were removed and the surface morphology was improved. The roughness value R_a was reduced from the initial 11.059 μm to 1.513 μm with the maximum reduction of 86.3%, significantly improving the surface quality.
- magnetic grinding,
- orthogonal test,
- bottom surface of inner groove,
- process parameter optimization,
- roughness reduction rate,
- surface morphology

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References(21)

References

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Optimization of process parameters for finishing the bottom surface of inner groove by magnetic grinding

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