气门摇杆支座说明书资料.doc

西安工业大学 题 目： 气门摇杆轴支座零件的机械加工工艺规程 及工艺装备设计 班　　级： 116001 学 号： 110204103 姓　　名： 陈园辉 指导教师：　 万宏强 完成日期：　2014-01-09 目录 第一章 零件分析·······································································1 1.1零件作用分析··································································1 1.2零件工艺分析··································································1 1.3零件的生产类型·······························································2 第二章 毛坯的选择····································································2 2.1选择毛坯··········································································2 2.2确定毛坯尺寸及公差························································2 2.3设计毛坯图·······································································3 第三章 工艺规程设计·································································4 3.1定位基准的选择································································4 3.2制定工艺路线····································································5 3.3选择加工设备及刀具、夹具、量具···································7 3.4加工工序设计·····································································8 3.5时间定额计算·····································································13 3.6填写机械加工工艺过程卡和机械加工工序卡····················14 第四章 摇杆轴支座专用镗孔夹具设计·····································14 4.1工件自由度分析及定位方案的确定 4.2夹紧力分析·······································································15 4.3定位误差及定位精度分析·················································15 4.4定位元件与夹紧装置设计··················································16 4.5镗模与夹具体的设计························································ 17 4.6使用操作说明·········································································19 设计总结························································································20 附录Ⅰ 附录Ⅱ 附录Ⅲ