文档介绍：--------------------------校验:_____________-----------------------日期:_____________CA6140车床拨叉831003课程设计说明书机械制造技术课程设计说明书设计题目:CA6140车床拨叉813003零件的机械加工工艺规程及夹具设计学生:学号:班级:指导教师:大学工程学院机械系201年月日目录序言---------------------------------------------------------------------------------------------------------------------------------------------------------------------------1拨叉的用途---------------------------------------------------------------------------------1拨叉的技术要求---------------------------------------------------------------------------1审查拨叉的工艺性------------------------------------------------------------------------------------------------------------------------------------2------------------------------------------------------------------------------------2--------------------------------------------------2---------------------------------------------------------------------------------------------------------------------------------------------------------3------------------------------------------------------------------------------3---------------------------------------------------------------------3---------------------------------------------------------------------------4---------------------------------------------------------------------------4---------------------------------------------------------------------------4------------------------------------------------------------------------------4---------------------------------------------------------------------------------、工序尺寸及毛坯尺寸的确定-------------------------------------------------------------------------------------------------------------7粗铣80×30面-----------------------------------------------------------------------------7精铣80×30面-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------