数控加工技术课程设计目录1前言................................................................12课程设计任务书........................................................12.1设计目的............................................................12.2设计任务............................................................12.3设计要求............................................................13零件图的工艺分析......................................................23.2零件图分析..........................................................33.3零件的加工精度和表面质量分析........................................34毛坯的选择............................................................35基准的选择............................................................45.1定位基准的原则.....................................................45.2心轴配合件定位基准的选择...........................................46工艺方案的制定........................................................56.1心轴加工方案.......................................................56.2圆锥轴套加工方案...................................................56.3螺母加工方案.......................................................57工艺装备的选择........................................................67.1机床的选择.........................................................67.2夹具的选择.........................................................68刀具的选择............................................................68.1螺母的刀具选择......................................................68.2心轴部分刀具选择....................................................72012级数控加工课程设计8.3圆锥轴套的刀具选择..................................................78.4量具的选择.........................................................79切削用量的选择........................................................79.1螺母切削用量的确定..................................................79.1.1背吃刀量的确定....................................................79.1.2确定主轴转速......................................................89.1.3进给量的确定......................................................89.2心轴切削用量的确定.................................................89.2.1背吃刀量的确定....................................................89.2.2主轴转速的确定....................................................82012级数控加工课程设计9.2.3进给量的确定......................................................89.3圆锥轴套切削用量的确定.............................................89.3.1背吃刀量的选择....................................................89.3.2主轴转速的确定....................................................99.3.3进给量的确定......................................................910对刀点和换刀点的位置的确定...........................................910.1对刀点选择.........................................................911零件的加工路线图....................................................911.1心轴加工路线图.....................................................911.2螺母加工路线图....................................................1011.3圆锥轴套加工路线图................................................1112冷却液的选择........................................................1213工艺文件的编制......................................................1313.1工艺过程卡片......................
VIP
