Optimization Method of Floating Fixture Layout for Distortion Control of Low-Stiffness Thin-Walled Beams.

Junping Feng, Jiawei Wang, Zhuang Mu, Yifei Gu, Zongyang Du, Wenbo He, Kean Aw, Yinfei Yang

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Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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8 authors.

Junping FengSchool of Mechanical Engineering, Jiangsu University of Technology, Changzhou 213001, China.

Jiawei WangSchool of Mechanical Engineering, Jiangsu University of Technology, Changzhou 213001, China.

Zhuang MuCollege of Mechanical and Electrical Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016, China.

Yifei GuSchool of Mechanical Engineering, Jiangsu University of Technology, Changzhou 213001, China.

Zongyang DuSchool of Mechanical Engineering, Jiangsu University of Technology, Changzhou 213001, China.

Wenbo HeNanjing Hangdian Intelligent Manufacturing Technology Co., Ltd., Nanjing 210014, China.

Kean AwDepartment of Mechanical and Mechatronics Engineering, University of Auckland, Auckland 1010, New Zealand.ORCID 0000-0001-9308-508X

Yinfei YangCollege of Mechanical and Electrical Engineering, Nanjing University of Aeronautics & Astronautics, Nanjing 210016, China.

Funding

National Natural Science Foundation 52075251

6 · The paper itself

Abstract

The aim is to reduce the elastic deformation of the web and side walls of low-stiffness thin-walled beams when the floating fixture method is used. This paper takes the number and position of fixture points as the optimization variables, establishes a calculation model of elastic deformation, and constructs the objective function of maximum total elastic deformation. An optimized solution utilizing the augmented multiplier method is employed, which forms the basis for the fixture layout optimization method to reduce the elastic deformation of low-stiffness thin-walled beams. A theoretical calculation, simulation analysis, and the fixture layout optimization of total maximum elastic deformation were completed using an aluminum alloy low-stiffness thin-walled beam as an example. The results show that based on the optimized layout, the average relative error between the calculated value and the simulated value of total maximum elastic deformation is 17.43%, and the simulated value of maximum elastic deformation is reduced by 48.49% after optimizing the fixture layout. The measured value is reduced by 0.02 mm on average, and deformation is reduced by 74.07%, which verifies the effectiveness of the floating fixture layout optimization control of machining elastic deformation proposed in this paper.

Indexed as

elastic deformation controlfloating fixturelayout optimizationlow-stiffness thin-walled beams

Identifiers

PMID39274623

DOI10.3390/ma17174226

PMCPMC11395973

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