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Analysis and Improvement of Machine Tool Dynamic Performance Based on ANSYS/WORKBENCH

Huaying Cun

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Abstract

Based on Pro/E and ANSYS WORKBENCH co-simulation and optimization platform,the FEM model of the column of some precision horizontal machining center was established.To increase natural frequencies,the optimizations of the structure and dimension parameters were performed.The optimal results were validated by testing the virtual model of the whole machining center joining with surface elements.Results show that the quality of the machining center is decreased while the dynamic stiffness of the whole machine is increased.Optimization results provide an important basis for the machine tool design.

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What this paper is about

Based on Pro/E and ANSYS WORKBENCH co-simulation and optimization platform,the FEM model of the column of some precision horizontal machining center was established.To increase natural frequencies,the optimizations of the structure and dimension parameters were performed.The optimal results were validated by testing the virtual model of the whole machining center joining with surface elements.Results show that the quality of the machining center is decreased while the dynamic stiffness of the whole machine is increased.Optimization results provide an important basis for the machine tool design.

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Available abstract

Based on Pro/E and ANSYS WORKBENCH co-simulation and optimization platform,the FEM model of the column of some precision horizontal machining center was established.To increase natural frequencies,the optimizations of the structure and dimension parameters were performed.The optimal results were validated by testing the virtual model of the whole machining center joining with surface elements.Results show that the quality of the machining center is decreased while the dynamic stiffness of the whole machine is increased.Optimization results provide an important basis for the machine tool design.

Key concepts: Workbench, Machining, Machine tool, Stiffness, Finite element method, Dimension (graph theory), Mechanical engineering, Engineering

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