Abstract
The minimization of error generation in machine tool spindle is important because high-speed and ultra-precision machining are extensively utilized in industrial fields. The thermal deformation of the machine tool spindle generated by the frictional heat between the outer and inner bearings can deteriorate the machining accuracy. In this study, a TiC−SUS431 composite was fabricated using the liquid pressing infiltration method to suppress thermal deformation, and its thermal properties were obtained by thermal characteristic tests. For the transient thermal analysis with finite element analysis, the parameters of the machine tool spindle-bearing model were selected, and the boundary conditions were calculated. The temperature and thermal deformation of the analysis model were compared by applying SCM415 and TiC−SUS431 to the material of the machine tool spindle and changing the rotation speed. From the analysis results, it was demonstrated that the TiC−SUS431 machine tool spindle can improve the machining accuracy by minimizing the spindle thermal deformation.
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Acknowledgments
This study was supported financially by the Fundamental Research Program of the Korea Institute of Materials Science (KIMS) (PNK7480). This work was supported by BK21 FOUR Program by Pusan National University Research Grant, 2021.
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Wonjun Bae received his B.S. degree from the School of Mechanical Engineering at Pusan National University. He is currently a Master & Doctor integrated course student at Pusan National University, majoring in precision manufacturing systems at the School of Mechanical Engineering. His research interests include wavelength-scanning interferometry, fringe analysis using phase extraction formula, and thermal and dynamic analysis of machine tool spindle/bearing using finite element analysis (FEA) software.
Junghwan Kim received his Ph.D. degree at the Department of Mining and Materials Engineering, McGill University in 2016. He is currently a Senior Researcher at the Department of Functional Composites, Korea Institute of Materials Science (KIMS). His research interests include metal matrix composites, and metallurgical thermodynamics.
Seungchan Cho received his Ph.D. degree at the Department of Materials Processing, Tohoku University in 2010. He is currently a Principal Researcher at the Department of Functional Composites, Korea Institute of Materials Science (KIMS). His research interests include metal matrix composites and ceramic matrix composites.
Yangjin Kim is an Associate Professor at the School of Mechanical Engineering, Pusan National University. He obtained his B.S. and Ph.D. degrees at the Department of Mechanical Engineering, The University of Tokyo, in 2007 and 2015, respectively. Prof. Kim was a researcher at the Korea Institute of Machinery and Materials (KIMM) from 2009 to 2012 as a military service. His research interests include precision measurement, wavelength-scanning Fizeau interferometry, fringe analysis using phase shifting.
Sang-Kwan Lee is currently the Head of the Materials Innovation Leading Division, Korea Institute of Materials Science (KIMS). He received Ph.D. degree at the Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) in 2002. His research interests include electromagnetic wave absorbing/shielding composites, structural/functional metal matrix composites, and energy storage smart structural composites.
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Bae, W., Kim, J., Cho, S. et al. Suppression of thermal deformation of machine tool spindle using TiC-Fe composite. J Mech Sci Technol 36, 2511–2520 (2022). https://doi.org/10.1007/s12206-022-0433-y
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DOI: https://doi.org/10.1007/s12206-022-0433-y