Finite Element Analysis and Multi-Objective Optimization of the Precision Horizontal Machining Center Bed

Xue Yan Li; Wen Tie Niu; Jun Qiang Wang; Ling Jun Xue

doi:10.4028/www.scientific.net/AMR.889-890.130

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 889-890Finite Element Analysis and Multi-Objective...

Finite Element Analysis and Multi-Objective Optimization of the Precision Horizontal Machining Center Bed

Abstract:

In order to improve dynamic and static performance of the precision horizontal machining center, the method of multi-objective optimization based on the response surface model was applied for optimizing design of the bed structure. The design variables were the layout parameters of the rib plates. Sample points were obtained by the Box-Behnken design experiment, and responses of sample points were analyzed by SAMCEF. The maximum deformation of guide rails and the low-order natural frequency were extracted to fit the response surface model by least square method. The layout parameters of the rib plates were optimized through the application of multi-objective genetic algorithms. Then, relationship between the lightening holes and the performance were analyzed to determine the suitable diameter. The results verify the validity of the optimization method, and the paper provides methodological guidance for optimization of machine tool structural parts.

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Periodical:

Advanced Materials Research (Volumes 889-890)

Pages:

130-134

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.889-890.130

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Online since:

February 2014

Authors:

Xue Yan Li, Wen Tie Niu*, Jun Qiang Wang, Ling Jun Xue

Keywords:

Finite Element Analysis (FEA), Machine Tool Bed, Multi-Objective Optimization (MOP)

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* - Corresponding Author

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