文档介绍：1 机械制造基础技术基础课程设计任务书题目:设计“ CA6140 车床 831008 拨叉”零件的机械加工工艺及工艺设备姓名: 甲乙丙班级: 130908 学号: 13090804 指导老师: 耿爱农学校: 五邑大学时间: 2014 年7月5日目录一、零件分析··············································1 (一)零件的作用············································1 (二)零件的工艺分析··············································1 二、工艺规程设计··········································1 (一)确定毛坯的制造形式···································1 (二)基面的选择············································1 (三)制定工艺路线··········································2 (四)机械加工余量、工序尺寸及毛皮尺寸的确定············3 (五)确立切削用量及基本工时······························3 三、夹具设计············································· 10 四、设计总结············································· 11 附加: 机械加工工艺卡片············