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ISSN (Print): 1872-2121
ISSN (Online): 2212-4047

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Research Article

Research on Finite Element Simulation and Parameters Optimization of Milling 7050-T7451 Aluminum Alloy Thin-walled Parts

Author(s): Song Yang, Tie Yin and Feiyue Wang

Volume 16, Issue 1, 2022

Published on: 02 September, 2020

Article ID: e210421185517 Pages: 12

DOI: 10.2174/1872212114999200902153633

Price: $65

Abstract

Background: Thin-walled parts of aluminum alloy are easy to occur in machining deformation due to the characteristics of thin wall, low rigidity, and complex structure.

Objective: To reduce and control the machining deformation, it is necessary to select reasonable machining parameters.

Methods: The influence of milling parameters on the milling forces, milling temperature, and machining deformation was analyzed through the established model based on ABAQUS. Then, the corresponding empirical formula was obtained by MATLAB, and parameter optimization was carried out as well. Besides, a lot of patents on machining thin-walled parts were studied.

Results: The results showed that the prediction error of milling forces is about 15%, and 20% of milling temperature. In this case, the optimized milling parameters are as follows: ap=1 mm, ae=0.1 mm, n=12 000 r/min, and f=400 mm/min. It is of great significance to reduce the machining deformation and improve the machining quality of thin-walled parts.

Keywords: Thin-walled parts of aluminum alloy, high-speed milling, finite element simulation, machining deformation, parameters optimization.

Graphical Abstract

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