The Research of the Assembly Precision of CNC Machine Tools Considering the Joint Surface Characteristics

Wan Yu Li; Cong Lu; Zhuo Yang

doi:10.4028/www.scientific.net/AMM.397-400.198

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 397-400The Research of the Assembly Precision of CNC...

The Research of the Assembly Precision of CNC Machine Tools Considering the Joint Surface Characteristics

Abstract:

In order to evaluate the assembly precision of the CNC machine tools influenced by the joint surface characteristics effectively, a method is proposed in this paper. Finite element analysis is used to obtain joint surface deformation data, and then a second-order response surface model is established as a surrogate model to express the function of joint surface static characteristics and deformation. The error propagation in assembly sequence is obtained, so that the assembly precision of CNC machine tools can be evaluated effectively.