solidworks 汽车大灯座冷冲压工艺与模具设计
毕业论文关键词 冷冲压 模具设计 工序设计 工艺规程T
Title Cold stamping die design of a Large car holder Abstract Stamping as a very important modern industrial processing methods ， Usedto produce a variety of sheet metal parts ， Has many unique advantages, Theforming member having a light weight , stiffness , high strength , goodinterchangeability , low cost, easy to realize the mechanical productionprocess automation and production efficiency , It is one of the otherprocessing methods can not be compared and irreplaceable advancedmanufacturing technology .This design is a large car holder of cold stamping die , First of all , Itshould analysis the process of the part. Second, design a large lamp holderof automotive stamping process , Select two processes for stamping diedesign , Program to determine the mold structure , Final ly, design selectionParts , Mold assembly drawing sketches, Finish three-dimensional modelingusing solidworks software.And Generation of 2D Engineering Drawing withAutoCAD . and Accountants.Major parts of the mold for the preparationprocess planning .
Key words Cold stamping Mold Design Process design Process planning
目次
1．绪论3
1.1．概述3
1.2．冲压的概念、特点及应用3
1.3冲压的基本工序及模具4
2．工艺设计.5
2.1零件的工艺性分析5
2.1.1．结构与尺寸..5
2.1.2．冲裁件的精度与粗糙度5
2.2工艺路线设计..6
2.2.1工序设计6
2.2.2零件尺寸计算.6
3．落料模设计7
3.1．落料模总体方案设计..7
3.2冲压模具工艺与设计计算9
3.2.1排样与搭边的设计计算..9
3.2.2条料宽度与导齿间距离的计算.10
3.2.3材料利用率10
3.2.4冲裁间隙.10
3.2.5落料凸、凹模刃口尺寸计算..10
3.2.6设计冲压力及初选压力机..11
3.2.7压力中心.12
3.3模具结构设计12
3.3.1凹模设计.12
3.3.2凸模设计.14
3.3.3固定零件.15
3.3.4选择模架:17
3.3.5定位零件.18
3.3.6卸料零件.19
3.3.7选择坚固件及定位零件.20
4．拉伸模设计.20
4.1拉伸模具的结构..20
4.2工艺计算..23
4.2.1零件拉伸系数的确定..23
4.2.2确定是否需要压边圈..23
4.2.3凸凹模间隙23
4.2.4拉伸模工作尺寸计算..23
4.2.5拉伸力的计算..24
4.3模具结构设计24
4.3.1拉伸凸模.24
4.3.2拉伸凹模.25
4.3.3固定零件.25
4.3.4选择模架.26
4.3.5定位零件.27
4.3.6压边卸料零件的设计..28
4.3.7固定零件及定位零件的设计..29
5．模具零件的加工工艺设计.29
5.1凹模加工工艺过程.29
5.2凸模加工工艺过程.30
5.3上模座加工工艺过程31
5.4下模座加工工艺过程32
5.5凸模固定板加工工艺过程.32
5.6卸料板加工工艺过程33