毕业论文（设计）钢丝切断弯曲模.docVIP

诚信声明 本人郑重声明：本论文及其研究工作是本人在指导教师的指导下独立完成的，在完成论文时所利用的一切资料均已在参考文献中列出。 本人签名： 年 月 日 毕业设计任务书 设计题目： 模设计 系部： 机械工程系 专业： 材料成型及控制工程 学号： 1120181 学生： 指导教师（含职称）： （副教授） 1．课题意义及目标 2．主要任务 1).李硕本主编.冲压工艺学.北京：机械工业出版社，1982 2).王孝培主编.冲压手册（修订本）.北京：机械工业出版社，1990 3).李天佑主编.冲模图册.北京：机械工业出版社，1994 4).胡世光编.板料冲压成型工艺.北京：国防工业出版社，1979 5).汪大年主编.金属塑性成形原理.北京：机械工业出版社，1982 审核人： 年 月 日 Wire cutting bending mold Abstract:This?design?is?the?cutting?and?bending?die?design?with?“mouth”?type?steel?wire,?according?to?the?size?of?the?parts,?the?steel?No.?20?is?initially?selected?as?the?material,?because?of?its?high?toughness?and?mass?production.?According?to?these?features,?the?design?initially?selects?the?steel?No.?20?as?the?compound?die,?and?calculates?cutting?force?and?bending?force.?And?then?the?design?initially?selects?the?press?machine,?and?calculates?the?cutting?edge?sizes?and?tolerances?of?convex?die?and?concave?die.?Finally,?the?design?selects?the?components?and?parts,?checks?the?press?machine,?draws?the?draft?of?die?assembly,?and?works?out?the?processing?procedure?for?the?main?components?of?die.?As?for?some?components?and?parts,?the?design?adopts?the?standard?parts,?because?of?the?complex?working?process,?most?of?components?and?parts?are?non-standard?parts,?and?the?design?sets?the?die?to?complete?the?cutting?and?bending?of?steel?wire?by?two?sets?of?inclined-wedge?driving?two?sets?of?concave?die?respectively,?which?reduces?time?and?effort,?improve?the?efficiency?of?parts,?shorten?the?time?of?parts,?with?a?certain?reference?value?for?similar?die?design. Keywords: Steel wedge wire cutting wire bending mold design mold design 目录 1前言 1 1.1模具工业的概论 1 1.1.1冲压与冲压模具 1 1.1.2国内外模具成长现状及发展趋向 2 1.1.3模具行业特点 3 1.1.4模具设计及加工工艺的近况 3 1.1.5冲压