CN 41-1243/TG ISSN 1006-852X
Volume 42 Issue 5
Oct.  2022
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Article Contents
ZHANG Bisheng, WU Yao, QU Meina. Evaluation of grinding performance for micromotor rotor shaft by microcrystalline ceramic corundum grinding wheel[J]. Diamond & Abrasives Engineering, 2022, 42(5): 578-584. doi: 10.13394/j.cnki.jgszz.2021.5004
Citation: ZHANG Bisheng, WU Yao, QU Meina. Evaluation of grinding performance for micromotor rotor shaft by microcrystalline ceramic corundum grinding wheel[J]. Diamond & Abrasives Engineering, 2022, 42(5): 578-584. doi: 10.13394/j.cnki.jgszz.2021.5004

Evaluation of grinding performance for micromotor rotor shaft by microcrystalline ceramic corundum grinding wheel

doi: 10.13394/j.cnki.jgszz.2021.5004
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  • Received Date: 2021-11-25
  • Accepted Date: 2022-03-21
  • Rev Recd Date: 2022-03-20
  • In view of frequent dressing of grinding wheel in process of centerless cylindrical grinding of micromotor rotor shaft, this paper proposes to use microcrystalline ceramic corundum grinding wheel instead of traditional corundum grinding wheel to grind micromotor rotor shaft. By building a surface grinding process platform and referring to the dressing and grinding parameters of centerless grinding wheel, grinding performance of microcrystalline ceramic corundum grinding wheel and corundum grinding wheel was compared and analyzed in grinding temperature, surface processing quality, and grinding ratio. Compared with corundum grinding wheel, microcrystalline ceramic corundum grinding wheel can not only effectively improve the grinding temperature (reduce 38.5%), improve the surface processing quality (reduce the surface roughness by 78.6%), but also has a higher grinding ratio (increase 2.2 times). In addition, microcrystalline ceramic corundum grinding wheel was selected to verify centerless grinding production of micromotor rotor shaft. The test results of centerless grinding sample of micromotor rotor shaft meet requirements of actual production index, and dressing cycle is twice longer than that of traditional corundum grinding wheel, which improves processing quality and production efficiency significantly.

     

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