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当前位置: 首页 > 文章 > 整体式圆锯片的设计与有限元分析 农业技术与装备 2016 (10) 72-74+77
Position: Home > Articles > Design and Finite Element Analysis on Integral Saw Blade Agricultural Technology & Equipment 2016 (10) 72-74+77

整体式圆锯片的设计与有限元分析

作  者：
刘金南
单  位：
江阴职业技术学院机电工程系
关键词：
沙生灌木;圆锯片;固有频率;有限元分析
摘  要：
针对沙生灌木切割时存在的变形、振动等,设计建立整体式圆锯片的有限元模型,采用ANSYS软件对其进行静力分析和模态分析,得到圆锯片在转速1 910 r/min下的应力、变形分布云图以及前4阶固有频率和振型。分析表明:圆锯片最大变形为4.02×10-2 mm,相对结构尺寸可忽略,工作应力最大为11.313 Mpa,远小于材料的屈服极限785 Mpa;最低固有频率为299.2 Hz,远高于圆锯片的转动角频率,其工作稳定可靠,具有良好的动态特性。
译  名：
Design and Finite Element Analysis on Integral Saw Blade
作  者：
Liu Jinnan;Mechanical and Electrical Engineering of Jiangyin Polytechnic College;
关键词：
Desert shrubs;;Circular saw blade;;Natural frequency;;Finite element analysis
摘  要：
For the probloms of deformation and vibration in cutting desert shrubs, a integral saw blade was designed and a finite element model was established. Finite element static analysis and modal analysis on the integral saw blade based on ANSYS software were processed. The stress, the deformation, the first 4-step natural frequency and vibration model of the integral saw blade under rotating speed of 1910r/min were obtained. The analysis results showed that the maximum deformation 4.02 ×10-2mm of the integral saw blade, it was neglected relative to the structure size, the maximum stress11.313 MPa of the integral saw blade, it was far less than the yield limit of 65 Mn. The minimum value of first-step natural frequency for the integral saw blade was 229.2Hz, which was much larger than the operating frequency. The integral saw blade can work stably and reliably with good dynamic characteristic.

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