| 变速箱变速叉轴断裂分析及优化设计 |
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| 引用本文： | 张小坤. 变速箱变速叉轴断裂分析及优化设计[J]. 机械工程与自动化, 2011, 0(2) |
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| 作者姓名： | 张小坤 |
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| 作者单位： | 中国重汽集团大同齿轮公司技术中心,山西,大同,037006 |
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| 摘 要： | 以变速箱变速叉轴为研究对象,通过对变速叉轴断口位置及形状的分析,给出变速叉轴的优化设计方案。针对优化后的变速叉轴,应用Pro/E软件建立三维数模,应用ANSYS Workbench软件进行强度分析,得出变速叉轴强度满足设计要求。应用ANSYS Workbench软件,结合变速叉轴强度分析结果,计算可知当换档导块实际承受的载荷为1 700 N时变速叉轴的使用寿命为1.2×105次,可以满足变速箱的设计要求。
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| 关 键 词： | ANSYS Workbench S-N曲线 疲劳敏感性 使用寿命 |
Optimization Design and Fracture Analysis of Shift Fork Shaft of Transmission |
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| ZHANG Xiao-kun. Optimization Design and Fracture Analysis of Shift Fork Shaft of Transmission[J]. Mechanical Engineering & Automation, 2011, 0(2) |
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| Authors: | ZHANG Xiao-kun |
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| Affiliation: | ZHANG Xiao-kun(Technology Center of China National Heavy Duty Truck Group Datong Gear Co.,Ltd.,Datong 037006,China) |
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| Abstract: | Taking the shift fork shaft of transmission as research object,through analyzing the position and shape of the fracture on shift fork shafts,the paper gives the optimal design scheme of shift fork shafts.The three dimensional mathematical model of the optimized shift fork shaft is set up by use of Pro/E software and the finite element analysis is carried out by ANSYS Workbench software.The analysis results show the strength of the optimized shift fork shaft can meet the design requirement. |
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| Keywords: | ANSYS Workbench S-N curve fatigue sensitivity service life |
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