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典型回转轴类零件数控车削加工工艺设计与编程 摘要 本文主要针对回转轴类零件工艺进行数控加工工行分析，它意义深重，本文将对它进行讲述。零件的工艺设计内容主要有零件加工工艺过程设计、加工工序设计、程序设计，以及机床、刀具、夹具的选择等等。重点分析了零件的数控加工工艺过和和所采用的程序结构，例如如何合理运用常用复合循环指令进行零件的粗加工、精加工程序的编制。此外，在加工设计过程中也展开了相应的讨论，并且得出了此类回转型零件的一般加工步骤。 关键词：加工工艺工艺设计程序编制 Abstract I
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ng 目录 1零件分析及实体造型4 2.毛坯与夹具的确定6 2.1毛坯的选择6 2.2夹具的选择7 2.2.1常见的装夹方式8 2.2.2夹具的确定9 3.刀具的选择11 3.1刀具的种类11 3.2刀具的确定12 4选择切削用量13 4.1背吃刀量的确定13 4.2主轴转速的确定13 4.3进给速度的确定14 5.量具及冷切液的选择16 5.1量具的选择16 5.2冷却液的选择16 6.工艺卡片的填写18 7.数控编程21 7.1数控编程的分类21 7.2循环指令格式21 7.3加工程序22 结束语26 谢辞27