Dr. Chen Li Profile

Dr. Chen Li

at Harbin Institute of Technology

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Proceedings Article | 28 October 2016 Paper

Design and experimental research of the on-line detection system for diamond arc grinding wheel

Feihu Zhang, Chen Li, Zhongde Liu, Lele Ren, Haisheng Xie

Proceedings Volume 9683, 96830Q (2016) https://doi.org/10.1117/12.2241629

KEYWORDS: Diamond, Genetic algorithms, Sensors, Data acquisition, Aluminum, Metals, LabVIEW, Composites, Copper, Data storage

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The principle of measuring displacement by eddy current sensor was derived. The calibration experiment was carried out for 5 kinds of different materials, which showed that the linearity of eddy current sensor was better, and the sensitivity of eddy current sensor varied with different materials. Based on the principle of measuring displacement by eddy current sensor, the on-line detection system for diamond circular wheel was designed, and the data acquisition was realized by using LABVIEW software. By moving the eddy current sensor in the vertical direction with the grinding wheel fixed, the coordinate of arc in the grinding wheel was obtained. The radius of the grinding wheel was fitted by using the genetic algorithm, which showed that the fitting results were accurate. The data acquisition of the grinding wheel was carried out in a cycle by fixing the electric eddy current sensor and the circulars of the grinding wheel in different processes, namely before dressing, after dressing and after shaping. The results showed that the circular of the grinding wheel after dressing and after shaping were significantly improved compared with that before dressing.

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