Application study on suppression of chatter vibration by modifying the weak component in a direct-drive gear cutting machine

Qiang Huang; Genbao Zhang; Xinyu Zhang; Dongfeng Cao

doi:10.1117/12.784465

9 January 2008 Application study on suppression of chatter vibration by modifying the weak component in a direct-drive gear cutting machine

Qiang Huang, Genbao Zhang, Xinyu Zhang, Dongfeng Cao

Author Affiliations +

Proceedings Volume 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials; 67941V (2008) https://doi.org/10.1117/12.784465
Event: ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 2007, Gifu, Japan

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.

Citation Download Citation

Qiang Huang, Genbao Zhang, Xinyu Zhang, and Dongfeng Cao "Application study on suppression of chatter vibration by modifying the weak component in a direct-drive gear cutting machine", Proc. SPIE 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 67941V (9 January 2008); https://doi.org/10.1117/12.784465

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