THE REACHER OF REDUCING VIBRATION OF CIRCULAR SAW BASED ON EXPERIMENTAL MODAL ANALYSIS

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Journal of Vibration and Shock ›› 2009, Vol. 28 ›› Issue (2) : 124-127.

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THE REACHER OF REDUCING VIBRATION OF CIRCULAR SAW BASED ON EXPERIMENTAL MODAL ANALYSIS

LUO Zhi-gao，LI Ju，Wang Xiang，FAN Bin-bin，GUO Xiao-dong

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Abstract

Saw blade is a thin plank with a large area. During the high-speed sawing, the vibration of the saw is a universal phenomenon. In order to improve its sawing performance and reduce its working vibration, on the basis of vibration analysis of circular saw and theoretical study of experimental modal, compares the inherent characteristics of two different structures of circular saws and analyses the changes of lts natural frequency and vibration mode, as well as concludes the effects of opening an damping hole which affect the overall performance, especially for the vibration. Experiment shows that opening an damping hole can reduce the vibration effectively. All these can provide theoretical guidance for the structure and optimal design to reduce the vibration of the circular saw blade.

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circular saw / experimental modal / vibration analysis / hole

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LUO Zhi-gao;LI Ju;Wang Xiang;FAN Bin-bin;GUO Xiao-dong. THE REACHER OF REDUCING VIBRATION OF CIRCULAR SAW BASED ON EXPERIMENTAL MODAL ANALYSIS[J]. Journal of Vibration and Shock, 2009, 28(2): 124-127