心形工艺设计与数控编程加工毕业设计论文.pdf

目录一、零件图....................................................................................................................3（一）零件图分析....................................................................................................4二、毛坯的选择............................................................................................................5（一）毛坯的选择....................................................................................................5（二）.定位基准的选择..........................................................................................5三、零件加工工艺过程分析........................................................................................7（一）表面加工方法选择........................................................................................71.表面的加工方法..........................................................................................7（二）加工方案的确定............................................................................................71.先粗后精......................................................................................................72..先近后远....................................................................................................83.先内后外......................................................................................................8四、零件编程及模拟..................................................................................................12（一）零件加工的操作准备..................................................................................12（二）编写零件的加工程序..................................................................................14六、毕业设计总结......................................................................................................28七、致谢......................................................................................................................29八、参考文献..............................................................................................................30九、诚信声明.................................................