Analysis of Milling Force and Optimization of Milling Trajectory for the NC Machining of Small Integral Impeller

In order to reduce the deformation of small integral impeller and improve the surface quality of blade in the process of NC machining, the influence of trajectory parameters on the milling force in the process of impeller NC finishing is studied and the orthogonal experiment with trajectory paramete...

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Bibliographic Details
Published in:Journal of physics. Conference series 2023-05, Vol.2501 (1), p.12015
Main Authors: Yao, Hui, Li, Jinpei, Bai, Yu, Wang, Zhiji
Format: Article
Language:English
Subjects:
Deformation
Impellers
Inspection
Milling (machining)
Optimization
Parameters
Physics
Simulation
Surface properties
Trajectory optimization
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Summary:In order to reduce the deformation of small integral impeller and improve the surface quality of blade in the process of NC machining, the influence of trajectory parameters on the milling force in the process of impeller NC finishing is studied and the orthogonal experiment with trajectory parameters as the main influencing factor is designed. In Deform 3D process simulation system, the physical dynamic simulation of NC milling force is carried out, the influence rules of the trajectory parameters on the milling forces in X, Y and Z directions are analysed, and then the range analysis method is used to optimize the simulation data to get the optimal combination of the trajectory parameters. Taking the actual production of a small integral impeller as an example, the trajectory parameters before and after optimization are respectively applied to 5-axis NC machining and the data of product inspection show that the optimized trajectory parameters not only improve the rigidity of the blade root and reduce the overall deviation of the blade, but also verify that the small milling force is obtained after the optimization of the trajectory parameters for the finish machining aiming at the surface quality and the optimization scheme of the trajectory parameters proposed in this paper is feasible.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2501/1/012015