Optimization and Verification of Sliding Saddle Structure in Machining Centers
DOI:
https://doi.org/10.54097/wnr3st63Keywords:
Machining center; saddle; finite element analysis; modal analysis.Abstract
As one of the key components of CNC machining centers, the structural performance of the saddle plays an important role in the machining accuracy of CNC machine tools. Taking the high-precision machining center of a certain factory as the research object, a finite element model of the sliding saddle is established. The ANSYS software is used to perform static analysis on the sliding saddle under extreme working conditions, analyze the deformation of the sliding saddle under this working condition, identify the weak links of the sliding saddle, and optimize its structure and size. Static stiffness verification and modal analysis verification are carried out. The results show that the optimized machining center saddle has high static stiffness and does not exhibit resonance under normal working conditions.
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[1] Qi Jibao, Yang Weimin. Geometric error compensation method of NC machine tool based on differential variation construction method [J]. Transactions of Agricultural Machinery, 2016, 47(9): 398-405.
[2] Lei Yonghong, Wang Meng. Discussion on technological improvement of machine tool sliding saddle castings [J]. Casting Equipment And Technology, 2022, (04):22-24.
[3] Zhao Lei. Static analysis and structural optimization of sliding saddle of horizontal turn-milling complex machining center [J]. Mechanical Engineer,2023,(12):129-131.
[4] Zhu Zanbin, Li Meng, FENG Shijie. Improved design and statics analysis of sliding saddle for 5-axis machining center [J]. Manufacturing Technology & Machine Tool, 2020,(03):43-46.
[5] Zhu Jun. Saddle mechanism design of high speed precision CNC machine tool based on finite element analysis [J]. Mechanical Design and Manufacturing Engineering, 2020, 49(04): 46-50.
[6] Su Yufeng, Yuan Wenxin, Liu Deping, et al. Thermal characteristics analysis of bed saddle in high speed turning and milling complex machining center [J]. Combined Machine Tools and Automated Processing Technology, 2011,(4) : 31-32,36.
[7] Li Jie, Liu Deping, Su Yufeng, et al. Temperature field modeling and thermal deformation analysis of saddle for high speed milling machine[J].Machinery Design and Manufacture, 2011, (7) : 211-212.
[8] Hungsun S, Choi H J, Park H W.Design and dynamic analysis of an arch-type desktop reconfigurable machine [J]. International Journal of Machine Tools and Manufacture, 2010, 50( 6) : 575-584.
[9] Altintas Y,Stepan G,Merdol D,et al. Chatter stability of milling in frequency and discrete time domain[J].CIRP Journal of Manufacturing Science and Technology,2008,1( 1) : 35-44.
[10] Wang Yanning, Gao Yue. Structural Stiffness analysis and lightweight design of machine tool based on finite element method[J].Equipment Machinery,2023,(04):30-32+59.
[11] Li Qi, ZHAO Yan, Fang Hui, et al. Finite element analysis and structure optimization of five-axis CNC tool grinding machine [J]. Combined Machine Tools and Automated Processing Technology, 2023,(05):169-173.
[12] Yang Xiaojing, Chen Zichen, Liu Jianxiong, et al. Optimization design of key parts of XK640 CNC milling machine based on ANSYS static stiffness analysis[J].Machine Tool & Hydraulics,2007,(09):42-45.
[13] Xu Kaiyuan, Xu Wubin, TANG Manbin. Dynamic characteristic analysis of machine tool sliding saddle structure based on finite element method [J]. Machinery Design and Manufacture, 2011,(04):170-172.
[14] Tang Wencheng, Yi Hong, Xing Yan. Structure analysis of machining center bed[J].Mechanical Strength,1998 (1) : 13-15,20.
[15] Qin Wenhao, Zuo Zhengxing. Dynamic characteristic analysis of machine tool [J]. Machine Design, 2000 (24): 24-26.
[16] Chen Weiguo, Zhao Suna. Resonance suppression analysis of CNC machine tool servo shaft based on FANUC [J]. Automation Technology and Application, 2011, 30(09): 42-45.
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