农机化研究Issue(6)：60-62,66,4.
基于 ANSYS Workbench 的乘坐式割草机刀盘模态分析
Modaling Analysis of Riding Mower Cutter Based on ANSYS Workbench
摘要
Abstract
The cutter is quite important for the lawn-mower , because whether the machine is reliable or secure enough is directly related to the cutter natural frequency as well as its mode shape size .With the help of the Pro/E system from CAD/CAM, we establish solid model of the cutter with three dimensions .For further research , the mode finite element simulation analysis is tested by being imported into the ANSYS Workbench system .After extracting the former six-order intrinsic frequency followed by comparing with the rotate speed about the cutter , we obtain the range of the rotate speed to keep safety when it is working .The result shows that the highest rotate speed of the cutter is far lower than its first order critical speed which avoids the sympathetic vibration efficiently .In addition , we verify that the cutter is designed relative-ly rational , and this surely lays a solid foundation for the other dynamics analysis of the cutter .关键词
割草机/刀盘/ANSYS Workbench/固有频率Key words
lawn mover/cutter/ANSYS Workbench/natural frequency分类
农业科技引用本文复制引用
程小龙,刘俊峰,李建平,柴立发,王立新..基于 ANSYS Workbench 的乘坐式割草机刀盘模态分析[J].农机化研究,2015,(6):60-62,66,4.基金项目
国家苹果产业技术体系项目（CARS－28）；国家公益性行业（农业）科研专项 （）
