Sensitivity Analysis of Temperature Measuring Points for Machine Tool Spindle Based on Grey System Theory

Qian Feng Wang; Song Zhang; Yan Chen; Qing Zhang; Bin Zhao

doi:10.4028/www.scientific.net/MSF.800-801.720

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HomeMaterials Science ForumMaterials Science Forum Vols. 800-801Sensitivity Analysis of Temperature Measuring...

Sensitivity Analysis of Temperature Measuring Points for Machine Tool Spindle Based on Grey System Theory

Abstract:

This paper presents a sensitivity analysis method of temperature measuring point of the machine tool spindle based on grey system theory. The initial finite element analysis (FEA) is conducted on the spindle model to determine the temperature distribution of the spindle model and ascertain the resultant structural deformation, and eight nodes of the spindle model are selected as temperature measuring points. By means of grey system theory, temperature measuring points of machine tool spindle model are analyzed and then the effects of the different temperature measuring point on the spindle axial deformation are conducted. Finally, the validity of this sensitivity analysis method is verified by conducting the theoretical analysis and developing the linear estimate equation. The analysis results show that this sensitivity analysis method can effectively determine the thermal sensitivity of temperature measuring points, ensure the accuracy of the thermal compensation model and eliminate the coupling problems.

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Periodical:

Materials Science Forum (Volumes 800-801)

Pages:

720-725

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.800-801.720

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Online since:

July 2014

Authors:

Qian Feng Wang, Song Zhang*, Yan Chen, Qing Zhang, Bin Zhao

Keywords:

Finite Element Analysis (FEA), Grey System Theory, Sensitivity Analysis, Temperature Measuring Points, Thermal Deformation

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