Mr. Zhengjian Li Profile

Zhengjian Li

at National Univ of Defense Technology

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Proceedings Article | 24 October 2017 Paper

Modeling and simulation for fewer-axis grinding of complex surface

Zhengjian Li, Xiaoqiang Peng, Ci Song

Proceedings Volume 10460, 104600J (2017) https://doi.org/10.1117/12.2283257

KEYWORDS: Modeling and simulation, Mathematical modeling

Read Abstract +

As the basis of fewer-axis grinding of complex surface, the grinding mathematical model is of great importance. A mathematical model of the grinding wheel was established, and then coordinate and normal vector of the wheel profile could be calculated. Through normal vector matching at the cutter contact point and the coordinate system transformation, the grinding mathematical model was established to work out the coordinate of the cutter location point. Based on the model, interference analysis was simulated to find out the right position and posture of workpiece for grinding. Then positioning errors of the workpiece including the translation positioning error and the rotation positioning error were analyzed respectively, and the main locating datum was obtained. According to the analysis results, the grinding tool path was planned and generated to grind the complex surface, and good form accuracy was obtained. The grinding mathematical model is simple, feasible and can be widely applied.

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