照所得的应力图等进行更准确的分析，最后提出了优化方案。关键词：连杆三维建模CATIA有限元分析优化设计
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f目录
摘要IABSTRACTII1绪论111连杆简介及设计要求1111连杆简介1112设计要求212CATIA简介213本课题研究方向及意义214本章小结32连杆参数设计及校核421材料选择及强化处理4211连杆材料的选择4212强化处理工艺422连杆主要尺寸参数的设计4221连杆长度L4222连杆小头设计5223连杆衬套设计6224连杆杆身设计6225连杆大头设计7226连杆螺栓设计823连杆小头的强度计算9231连杆小头承受的作用力9232连杆小头轴承的比压校核r