端帽缩口模设计+图纸
毕业论文关键词：冲压模具；缩口；缩口凹模；工艺
ABSTRACT Necking die, through the analysis of workpiece necking die punch die, the design points of the die core, introduces the workpiece on the shrinkage of the export processing process and the workpiece shrinkage process were analyzed. The design specification, including two aspects. The first part is the specific meaning of mold market development trends, stamping technology and it later in the general direction, shrink the simple introduction of the export of technology method and the parts and materials; the second part is shrinking the specific design of the die and the common problem solving. I design is end cap shrink die design process in detail, which includes formulating technological plan, mould of punch and die cutting edge size calculation, check punch strength and press the verification. At last, it explains the methods and requirements of the assembly, as well as the solution to the common problems raised. Combined with the role of the product, the requirements and the economic benefits of processing, etc., I designed this kind of end cap parts it is necessary to use stamping methods to produce.
Keywords:stamping die; shrinkage; shrinkage cavity die; Technology
目 录
第一章 绪论 1
1.1模具发展概况1
1.2冲压的概念、特点及应用1
1.3冲压的基本工序及模具2
第二章 工艺性分析3
2.1缩口加工3
2.1.1旋压缩口3
2.1.2冲击缩口3
2.1.3冲压缩口3
2.2材料分析3
2.2.1特性和用途3
2.2.2力学性能4
2.3热处理工艺4
2.4分析零件图4
2.5冲压加工5
2.5.1冲压加工的经济性和冲压件的工艺性分析5
2.5.2落实冲压件生产的全部工艺滴方案5
2.5.3选择冲压基本工序5
2.5.4确定冲压次数和冲压顺序6
2.5.5缩口成形特点与变形程度6
第三章 工艺计算 8
3.1缩口变形次数的计算8
3.2毛坯尺寸计算9
3.3确定压力中心9
3.4缩口力的计算及设备选择10
3.5卸料力、推件力、顶件力的计算11
第四章 模具结构及工作过程 12
4.1模具结构12
4.2模具工作过程12
第五章 模具设计 15
5.1模具结构设计及举例15
5.2回弹量的确定15
5.3模具设计主要是缩口凹模的设计16
5.3.1凹模工作部分d 16
5.3.2缩口下起始点圆角半径R的确定16
5.3.3缩口上起始点圆角半径r 16
5.3.4导入角θ16
5.3.5缩口凹模材料的选择17
5.4模柄17
第六章 压力机的校核19
6.1压力机类型的选择19