Analysis of Dynamic Characteristics of the Dual Ball Screw-Driven Linear Feed System in Z Direction

Abstract:

The vibration modals and harmonic responses of the dual ball screw-driven feed system in Z direction are analyzed by the software ANSYS. In this paper, the equivalence of characteristics of fixed and rolling joints is emphasized, while the influence of joint faces on the dual ball screw-driven feed system is analyzed. In addition, the FEM results of spindle and spindle box connecting the feed system are compared with the modal testing value. The results show that the relative errors between corresponding order natural frequency and the test results are within 10%, which verified the accuracy of the modeling method, and the influence of combination on the analysis of the ball screw feed system can't be ignored. Depending on the above, weaknesses of dual ball screw-driven feed structure is found out, which provides the basis for structural optimization.

• Periodical: Applied Mechanics and Materials (Volume 470)
• Pages: 593-597
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.470.593
• Online since: December 2013
• Authors: Jun Huang, Zhen Hua Wang, Jun Tang Yuan
• Keywords: Dual Ball Screw, Dynamic Characteristic, Joint Surface, Modal Test

References

[1] E. Abele, Y. Altintas, C. Brecher. Machine tool spindle units[J]. CIRP Annals-Manufacturing Technology, 2010, 59(2): 781-802.

DOI: 10.1016/j.cirp.2010.05.002

[2] WENG De-kai, CHENG Yu, XIA Ling-ling, LI Kui. The dynamic characteristics analysis of feeding system of a vertical machining center based on conjoint interfaces[J]. Machinery Design ＆Manufacture, 2012(3)130-132.

[3] XIA Ling-ling, YUAN Jun-tang, WANG Zhen-hua. Finite element analysis and modal test of a vertical machining center of KVC1050N type[J]. Machinery Design ＆ Manufacture, 2012(1): 18-20.

[4] M.F. Zaeh, Th. Oertli. Finite element modeling of ball screw feed drive systems[J]. CIRP Annals-Manufacturing Technology, 2004, 53(1): 289-292.

DOI: 10.1016/s0007-8506(07)60700-8

[5] JIANG Shuyun , ZHU Shulong. Dynamic Characteristic Parameters of Linear Guideway Joint with Ball Screw. [J]. JOURNAL OF MECHANICAL ENGINEERING, 2010, 46（1）: 92-99.

DOI: 10.3901/jme.2010.01.092

[6] Zhang Hua , Yuan Juntang, Wang Zhenhua. Experimental Research on Identification of Dynamic Characteristic Parameters of Rolling Guide. s Joint[J]. China Mechanical Engineering, 2011, 22(4): 415-418.

[7] GU Simin, HU Xiaoqiu, WANG Zhenhua. Experimental Research on Dynamic Characteristic Parameters of Fixed Joints[J]. MACHINE TOOL ＆ HYDRAULICS, 2011, 39(17): 12-14.

[8] Yuan Juntang, Xia Lingling. Impact of Glued Joint on Dynamic Characteristics of CNC Machine Tool[J]. Journal of Nanjing University of Science and Technology, 2012, 36(6): 1010-1014.