齿轮轴的加工工艺本科学位论文.doc

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1、贵州航天职业技术学院课程设计题目齿轮轴的加工工艺设计系别：机械工程系专业：班级：学生姓名：学号：指导教师：张宗固目录摘要···········································································1关键词········································································1一、零件图分析································

2、·······························1二、毛坯的选择·······························································2三、工艺分析··································································3四、工艺路线的拟定··························································4五、工序尺寸及

3、其公差的确定···············································5六、机械加工过程····························································6七、齿轮测量··································································7八、结论···················································

4、····················8附图：零件图········································································9毛坯图·······································································10齿轮轴工艺过程卡片·······················································11齿轮轴工序卡片1·

5、··························································12齿轮轴工序卡片2···························································13齿轮轴工序卡片3··························································14齿轮轴工序卡片4··············································

6、············15齿轮轴工序卡片5··························································16齿轮轴工序卡片6··························································17齿轮轴工序卡片7··························································18齿轮轴工序卡片8·························

7、··································19参考文献····································································20齿轮轴的加工工艺设计摘要：通过对齿轮轴零件图的工艺分析，确定了该零件的尺寸规格和毛坯材料，通过对零件的工艺分析，确定了该零件的工艺路线和加工方法，编写了详细的机械加工工艺文件：工艺过程卡片和工序卡片。并对零件在加工过程中出现的问题进行简单的分析。关键词：齿轮轴;加工精度;定位基准一

8、、零件图分析齿轮轴在机器领域中应用很广泛，几乎所有的机器中都有齿轮轴的存在，所以齿轮轴在机器设备很常见，但也很重要。零件的形状及其结构如图1所示：图1齿轮轴简图1由图1可知，该零件以外圆Ø60h8mm中心线为设计基准，键槽6N9mm有对称度要求，对称度为0.05,。整个此轮轴外形不复杂，但精度要求较高，最表面粗糙度为1.6，最高精度为IT6。重点加工为齿轮Ø55mm、Ø60h8mm外圆，外圆Ø35k6mm，外圆Ø20r6mm，特别是Ø60h8mm齿轮，要保证齿轮内壁的粗糙度为1.6