首页|Study on a probabilistic algorithm for the forming and 3D characterization of special-shaped surfaces under profile grinding
Study on a probabilistic algorithm for the forming and 3D characterization of special-shaped surfaces under profile grinding
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Profile grinding is the most crucial method for the ultra-precision machining of special-shaped surfaces.However,profile grinding produces a unique machining profile,and many random factors in the machining process lead to complex surface characteristics.In this study,the structural and probabilistic characteristics of the profile grinding of a special-shaped surface were analyzed,and a probabilistic algorithm for the forming and 3D characteriza-tion of special-shaped surfaces under profile grinding was developed.The forming process of a GH738 blade tenon tooth surface was considered as an example to demon-strate the algorithm.The comparison results showed that the simulation results had similar surface characteristics to the measurement results,and the relative error range of the 3D roughness parameter was 0.21％-19.76％,indicating an accurate prediction and characterization of the complex special-shaped surface under the action of multiple factors.
Zhao-Qing Zhang、Kai-Ning Shi、Yao-Yao Shi、Yi-Hui Song、Zhe He、Ya-Song Pu
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School of Mechanical Engineering,Northwestern Polytechnical University,Xi'an 710072,People's Republic of China
Key Laboratory of High Performance Manufacturing for Aero Engine(Northwestern Polytechnical University),Ministry of Industry and Information Technology,Xi'an 710072,People's Republic of China
Engineering Research Center of Advanced Manufacturing Technology for Aero Engine(Northwestern Polytechnical University),Ministry of Education,Xi'an 710072,People's Republic of China
国家自然科学基金National Major Science and Technology Projects of China
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