Dynamic Vibration Absorber Design to Suppress Boring Chatter: Absorber Parameters Identification Based on Modal Correlation

Author:

Hu Zhen Kun1,Wang Ming1,Zan Tao1

Affiliation:

1. Beijing University of Technology

Abstract

The dynamic vibration absorber (DVA) is generally used to suppress the machining vibration in boring processes. The DVA consists of an additional massspringdamper sub-system, and needs accurately tuning of its natural frequency and damping ratio to match the main structure for vibration control. For obtaining the optimal performance of the DVA, the parameters of the DVA used in a boring bar is identified using modal correlation method, which combines the finite element analysis method with test modal method to validate the FEMs results. The analysis results show that the modal correlation method is an effective and simple method to accurately identify the dynamic parameters of DVA and guarantee the optimal design of the DVA for boring chatter control.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference6 articles.

1. Min Wang,Bingxian Ou,Tao Zan,Renyuan Fei. A Review of Chatter Control Technique for Boring Bar [J]. Journal Of Beijing University Of Technology, 2011, 37(8): 1143~1147(In Chinese).

2. Ying Long, Zhaojin Teng, Fushui Zhao. The present status and development trends of finite element modal analysis [J]. Hunan Agricultural Machinery, 2009, 36(4), 27-45(In Chinese).

3. Yuan Liu. Research and Application on Structural Vibration Modal Test Optimization Technique [D]. Nanjing University of Aeronautics and Astronautics the Graduate School College of Energy & Power Engineering, 2011(In Chinese).

4. Tuttle, Ryan E , Lollock, Jeffrey A. Modal test data adjustment for interface compliance [C]. Structural Dynamics - Proceedings of the 28th IMAC, A Conference on Structural Dynamics, (2010).

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