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Proceedings Paper

Application study on suppression of chatter vibration by modifying the weak component in a direct-drive gear cutting machine
Author(s): Qiang Huang; Genbao Zhang; Xinyu Zhang; Dongfeng Cao
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Paper Abstract

This paper exposes the complete procedure of suppressing the chatter and how to realize it on a direct-drive CNC hobber. In a series of experiments, we discovered the phenomenon that vibration energy was centralized at a natural frequency of the machine gradually during the chatter occurred. Based on the phenomenon and the theory of regenerative chatter, a multi-degree of freedom model about the chatter of machine is built. According to this model, the way to identify chatter frequency and weak component is proposed. Taking the bobber spindle system as an example, several key steps are introduced: building optimization model of spindle, reducing the modified parameters based on sensitivity of anti-chatter and the optimization algorithm. Optimal result of hob spindle system is provided finally.

Paper Details

Date Published: 9 January 2008
PDF: 6 pages
Proc. SPIE 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 67941V (9 January 2008); doi: 10.1117/12.784465
Show Author Affiliations
Qiang Huang, Chongqing Univ. (China)
Chongqing Institute of Technology (China)
Genbao Zhang, Chongqing Univ. (China)
Xinyu Zhang, Chongqing Univ. (China)
Dongfeng Cao, Chongqing Univ. (China)

Published in SPIE Proceedings Vol. 6794:
ICMIT 2007: Mechatronics, MEMS, and Smart Materials

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