Design of Anodizing Tooling for Fuselage Frame Parts Based on Finite Element Simulation and Its Experimental Verification

GAO Xiaoying; GUO Quanqing; MENG Baoli; ZHU Xinyi; HU Shengshuang; ZHAO Peng

doi:10.19554/j.cnki.1001-3563.2026.09.035

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Packaging Engineering ›› 2026, Vol. 47 ›› Issue (9) : 335-341. DOI: 10.19554/j.cnki.1001-3563.2026.09.035

Design of Anodizing Tooling for Fuselage Frame Parts Based on Finite Element Simulation and Its Experimental Verification

GAO Xiaoying¹, GUO Quanqing^1,*, MENG Baoli¹, ZHU Xinyi¹, HU Shengshuang¹, ZHAO Peng²

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Abstract

The work aims to control the coating distribution uniformity on the surface of complex parts during anodizing, and use quantitative calculation instead of the manual trial and error method. Taking the anodizing of fuselage frame parts as the research object, a model was established using the finite element simulation software Elsyca Anodizing Manager, and simulation was carried out. The thickness uniformity of the anodized coating on the surface of the fuselage frame was adjusted using the stealing and masking scheme. The influence of the size and position of stealing and masking on the surface current distribution and anodized coating distribution of the fuselage frame parts was systematically studied to determine the structure and size of the fuselage frame anodizing equipment. The finite element simulation was verified through subsequent actual production. The results indicated that when the stealing diameter of the tooling was 10 mm, the distance from stealing to the parts was 20mm, and the distance from the masking to the parts was 20 mm, the thickness of the anodized coating on the surface of the fuselage frame parts met the delivery requirements of 8-12 μm. Using this tooling for anodizing experiments, the difference in thickness distribution of the anodized coating compared with simulation results is within 5%, indicating reliable simulation outcomes. Additionally, the tooling design cycle is shortened by 80%.

Key words

anodizing / tooling design / finite element simulation / coating distribution / current distribution

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GAO Xiaoying, GUO Quanqing, MENG Baoli, ZHU Xinyi, HU Shengshuang, ZHAO Peng. Design of Anodizing Tooling for Fuselage Frame Parts Based on Finite Element Simulation and Its Experimental Verification[J]. Packaging Engineering. 2026, 47(9): 335-341 https://doi.org/10.19554/j.cnki.1001-3563.2026.09.035

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