CN 41-1243/TG ISSN 1006-852X
Volume 43 Issue 4
Aug.  2023
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LI Bin, SONG Xiaoyu, WU Yuanyuan, ZHANG Xiaopeng, REN Dongxu, ZHAO Zexiang. Supersmooth grinding technology of spindle outer circle[J]. Diamond & Abrasives Engineering, 2023, 43(4): 447-454. doi: 10.13394/j.cnki.jgszz.2022.0224
Citation: LI Bin, SONG Xiaoyu, WU Yuanyuan, ZHANG Xiaopeng, REN Dongxu, ZHAO Zexiang. Supersmooth grinding technology of spindle outer circle[J]. Diamond & Abrasives Engineering, 2023, 43(4): 447-454. doi: 10.13394/j.cnki.jgszz.2022.0224

Supersmooth grinding technology of spindle outer circle

doi: 10.13394/j.cnki.jgszz.2022.0224
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  • Received Date: 2022-12-19
  • Accepted Date: 2023-03-01
  • Rev Recd Date: 2023-02-05
  • In order to improve the surface roughness and roundness of the outer cylindrical surface of the spindle after precision grinding, a novel vertical precision grinding method was proposed, and a vertical grinding device was developed. This paper analyzes the influence of cylinder pressure, grit size, and spindle speed on the machining accuracy of shaft parts in the vertical lashing mode. Firstly, the standard L9(34) orthogonal table was designed based on the orthogonal experiment, and the experimental workpiece was processed strictly according to the experimental numbers in the orthogonal table. Then, the data of the processing results were analyzed by the S/N response method and ANOVA variance method, and the optimal combination of process parameters was obtained. Finally, based on the combination of optimized process parameters, the grinding experiment was conducted on the outer cylinder surface of the spindle made of 40Cr material, with the size of 50 mm × 160 mm. The results show that the average material removal rate is 7 μm/h, the average roundness error decreases from 4.12 μm to 1.47 μm, and the surface roughness reduces from 326 nm to 41 nm.

     

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