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Vol. 157, Issue 10, October 2013, pp. 317-324




Rigid Rotor Dynamic Balancing with the Influence Coefficient Method
1 Xiang XU, 2 Ping Ping FAN

1 The State Key Laboratory of Fluid Power transmission and Control Zhejiang Provincial Key Laboratory of Advanced Manufacturing Technology, Institute of Manufacturing Engineering Zhejiang University, Hangzhou 310027, China

2 Mechanical Engineering Department, School of Engineering & Science, Stevens Institute of Technology, Castle Point on Hudson, Hoboken NJ 07030-5991 USA

1 Tel.: 18258853297, 2 +
E-mail: xuxiang218@126.com


Received: 22 August 2013   /Accepted: 25 September 2013   /Published: 31 October 2013

Digital Sensors and Sensor Sysstems


Abstract: On the base of the causes of the rotor's unbalanced vibration, the rigid rotor mathematic model was established to analyze the vibration form of a rigid rotor under unbalance inertia force. The principle of the influence coefficient method had been presented, and the principle of the cross-correlation method to extract the fundamental frequency signal of unbalance vibration was introduced. The process of conducting 1-plane and 2-plane dynamic balancing were described in detail. The method was found to be effective and practical. Finally through examples testify, it verified the feasibility of the rigid rotor dynamic balancing with the influence coefficient method.


Keywords: Influence coefficient method, Cross-correlation method, Rigid rotor, Dynamic balance.


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