目录 摘要....................................................................3 第一章零件分析........................................................4 1.1零件作用................................................... 4 1.2零件的工艺分析.............................................4 第二章工艺规程设计...................................................6 2.1毛坯的制造形式..............................................6 2.2基面的选择..................................................6 2.3制定工艺路线................................................6 2.4工艺路线的确定..............................................8 2.5确定切削用量.................................................9 第三章钻22孔夹具设计................................................. 14 3.1钻床夹具的简述.............................................14 3.2夹具体的设计...............................................15 3.3定位销的设计...............................................16 3.4钻模板以及钻套的设计........................................16 总结................................................................18 致谢.................................................................19 参考文献...............................................................20