Operational Modal Analysis of Broaching Machine

被引：0
|
作者：
Lin, Lvgao
Ying, Shenshun
Chen, Shuqiong
Lv, Xiaotian
机构：
来源：
ADVANCED MANUFACTURING TECHNOLOGY AND SYSTEMS | 2012年 / 159卷
关键词：
Broaching machine; Operational modal; PolyMAX; Cutting force;
D O I：
10.4028/www.scientific.net/AMM.159.170
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Modal parameters for LG51SH broaching machine from operational responses are studied to examine the dynamic properties of mechanical structure. The operational modal is analyzed using PolyMAX method with responsive data of key point in broaching machine, which is excited in practical broaching operation and tested by LMS SCADAIII-105 system. The identified steady state modal, representative modal shape, modal damping ratio and natural frequency in broaching are presented. The test and analysis result shows that there are natural frequency of 38Hz and 192Hz, which are close to multiple of the fundamental frequency of cutting force in broaching, 6Hz, therefore, reasonable cutting velocity should be adopted to void producing fundamental frequency of cutting force in broaching.
引用
收藏
页码：170 / 175
页数：6
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