CN 41-1243/TG ISSN 1006-852X
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doi: 10.13394/j.cnki.jgszz.2023.0272
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  • Received Date: 2023-12-14
  • Accepted Date: 2024-02-20
  • Rev Recd Date: 2024-01-22
  • Available Online: 2024-02-21
  • As a crucial area of aircraft engine blades, the precision of the blade edge directly affects the aerodynamic performance of the blades. Reducing the surface roughness and improving the contour of the blade edge are crucial for enhancing the engine's service life. Therefore, this study designed and developed resin-bonded diamond polishing wheels, investigating the polishing process of blade edges based on a robotic platform. Orthogonal experimental design was employed to explore the impact of four main process parameters (spindle speed, feed rate, processing pressure, abrasive particle size) on the surface roughness and contour of the blade edge. The experiments determined the optimal combination of process parameters: spindle speed at 800 r/min, feed rate at 6 mm/min, processing pressure at 4 N, and abrasive particle size ranged between 10 to 14 μm. With this parameter combination, the polishing effect on the workpiece was significantly improved. The surface morphology was enhanced, the surface roughness of the blade edge decreased from the initial 1.165 μm to 0.243 μm, and the contour reduced from the initial 0.048 mm to 0.016 mm, meeting the usage requirements.

     

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    通讯作者: 陈斌, bchen63@163.com
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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