拨叉加工工艺及夹具机械CAD图纸设计.doc

充值下载即送 CAD 图纸, QQ 36396305 拨叉加工工艺及夹具设计学生姓名: 学生学号: 院(系): 年级专业: 指导教师: 二〇年六月充值下载即送 CAD 图纸, QQ 36396305 I 摘要此次设计是对拨叉零件的加工工艺和夹具设计,其零件为锻件,具有体积小, 零件复杂的特点,由于面比孔易加工,在制定工艺规程时,就先加工面,再以面为基准来加工其它,其中各工序夹具都采用专用夹具,特别的对于加工大头孔、槽和钻小头孔斜面小孔的工序中,选一面两销的定位方式,并以操作简单的手动夹紧方式夹紧,其机构设计简单,方便且能满足要求。关键词拨叉,加工工艺,专用夹具,设计充值下载即送 CAD 图纸, QQ 36396305 II A BSTRACT This design is to dials forks ponents the processing craft and the jig design, ponents are the forging, has the volume tobe small, plex characteristic,Because the surface is easier than the hole to process, when formulation technological process, first the machined surface, then processes other take the surface as the datum,In which various working procedures jig all uses the unit clamp, special regarding processes the big end of hole, the trough and drills the capitellum hole incline eyelet in the working procedure, Chooses locate mode which two sells at the same time, and operates the simple manual clamp way clamp, anization design is simple, the convenience also can satisfy the request. Key words : Dials the fork, the processing craft, unit clamp, design 充值下载即送 CAD 图纸, QQ 36396305 1 目录摘要····························································································· I ABSTRACT ····················································································· Ⅱ 1绪论···························································································· 1 2 拨叉的分析····················································································· 2 拨叉的工艺分析························································································ 2 拨叉的工艺要求························································································ 2 3 工艺规程设计·················································································· 5 加工工艺过程··························································································· 5 确定各表面加工方案·········································································