摘要
本次设计题目为底座，设计的模具为复合模。设计主要包括零件的工艺性分析、工艺方案设计、相关数据的计算、各主要零件的设计选择等内容。                    
    此工件的尺寸较大，模具在纵向上尺寸较大，为了方便冲裁送料和减小模具尺寸，此设计采用了后侧导柱模架和无侧压的导料板。此设计中落料凸模与弯曲凸模的安装均采用固定板，所以此模具中凸模的安装采用了两块固定板，这又使得模具的高度增加，是此设计中的一个缺点。
关键词：复合模 ，工艺方案, 工艺性。
ABSTRACT
This graduation project topic is the foundation, the design mold is a superposable die. Designs mainly includes the components the technological analysis, the craft plan design, correlation data computation, design choice| of each major parts content and so on.                    
    This work piece is in big size,and the mold in on the longitudinal size is big, for the convenience blanking feeding and reduces the mold size,  this design has used side guide pillar mold and does not have the side thrust to lead the yard lumber. This design declines the material raised mold and the curving raised mold installment uses the dead plate, therefore, in this mold the raised mold installment has used two dead plates, which causes the mold the high increase, is in a this design shortcoming.
KEYWORDS: Superposable die, technology capability.
绪  论                                             1  
一  零件工艺性分析                                 5
1.1 冲压件的结构工艺性分析                                 5
1.2冲压件的尺寸精度和表面粗糙度                           5
1.3冲裁件的材料分析                                       5
二  拟订冲压件的工艺方案                           6
三　工艺计算                                         7
3.1 毛坯尺寸及相对弯曲半径的计算                          7
3.2 排样及相关计算                                        7
3.3 冲压力计算                                            8
3.4 初选压力中心                                         10
四 工作部分尺寸计算设计
4.1 弯曲模工作部分尺寸计算                                 11
4.2 落料模刃口尺寸计算                                     12
4.3 冲孔刃口尺寸计算                                       13
五模具总体设计
5.1 模具类型的选择                                         14
5.2 定位方式的选择                                         14
5.3 卸料、出件方式的选择                                   14
5.4 导向方式的选择                                         14
六 主要零部件设计
6.1 工作零件设计                                          15
6.2 定位零定位零件设计                                          15
6.3 导料板设计                                            15
6.4 卸料部件设计                                          16
七 模架及其他零部件设计    
7.1 模架设计                                              17
7.2 模柄设计                                              17
7.3 固定板设计                                            17
7.4 垫板设计                                              17
7.5 螺钉与销钉设计                                        18
八 冲压设备选用                                   19
九 模具的装配                                     20
设计总结                                          21
机械加工工艺过程卡                                22
致谢                                              24
参考文献                                          25

机械毕业设计|论文