机械5

硅钢片落料冲孔复合模设计 摘要 综合运用所学课程的理论和实践知识,本次课题硅钢片冲压模具设计，设计一副完整的落料冲孔复合模具训练、培养和提高自己的工作能力。巩固和扩充模具专业课程所学内容，掌握模具设计与制造的方法、步骤和相关技术规范。熟练查阅相关技术资料。掌握模具设计与制造的基本技能，如制件工艺性分析、模具工艺方案论证、工艺计算、加工设备选定、制造工艺、收集和查阅设计资料，绘图及编写设计技术文件等。 冲压工艺与模具设计应结合工厂的设备、人员等实际情况，从零件的质量、生产效率、生产成本、劳动强度、环境的保护以及生产的安全性各个方面综合考虑，选择技术先进、经济合理、使用安全可靠的工艺方案和模具，以使冲压件的生产在保证达到设计图样上的各项技术要求，尽可能降低冲压的工艺成本和保证安全生产。 关键词：硅钢片；冲压模具；落料冲孔；复合模；模具设计 Abstract Usi
ng the theory a
nd practical k
nowledge of the course, the subject of silico
n steel sheet stampi
ng die desig
n, desig
n a complete bla
nki
ng a
nd pu
nchi
ng compou
nd die trai
ni
ng, trai
ni
ng a
nd improvi
ng their ability towork. Co
nsolidate a
nd expa
nd the co
nte
nts of mold professio
nal courses, master the mold desig
n a
nd ma
nufacturi
ng methods, steps a
nd related tech
nical specificatio
ns. Skilled access to releva
nt tech
nical i
nformatio
n. Master the basic skills of mold desig
n a
nd ma
nufacturi
ng, such as parts process a
nalysis, mold process pla
n demo
nstratio
n, process calculatio
n, processi
ng equipme
nt selectio
n, ma
nufacturi
ng process, collectio
n a
nd co
nsulti
ng desig
n i
nformatio
n, drawi
ng a
nd compili
ng desig
n tech
nical docume
nts. The desig
n of stampi
ng process a
nd die should be combi
nedwith the actual co
nditio
ns of equipme
nt a
nd perso
n
nel i
n the factory. Co
nsideri
ng the quality of parts, productio
n efficie
ncy, productio
n cost, labor i
nte
nsity, e
nviro
nme
ntal protectio
n a
nd productio
n safety, the tech
nological scheme a
nd diewith adva
nced tech
nology, reaso
nable eco
nomy a
nd safe a
nd reliable use should be selected so as to make the die more reliable. The productio
n of stampi
ng parts guara
ntees to meet the tech
nical requireme
nts of the desig
n drawi
ngs, reduces the process cost of stampi
ng as much as possible a
nd e
nsures safe productio
n. Keywords: silico
n steel sheet; stampi
ng die; bla
nki
ng pierci
ng; compou
nd die; die desig
n 目录 摘要1 Abstract 2 引言4 1.冲裁件的工艺性分析6 1.1.冲裁件的结构工艺性7 1.1.1.冲裁件的形状7 1.1.2.冲裁件的尺寸精度8 2.制件冲压工艺方案的确定8 2.1.冲压工序的组合8 2.2.冲压顺序的安排9 3.制件排样图的设计及材料利用率的计算9 3.1.制件排样图的设计9 3.1.1.搭边与料宽9 3.2.材料利用率的计算11 4.确定总冲压力和选用压力机及计算压力中心12 4.1.冲压力12 4.1.1.冲裁力的计算12 4.1.2.卸料力、推件力及顶件力的计算13 4.2.压力中心的计算13 4.3.压力机的选用15 5.凸、凹模刃口尺寸计算15 5.1.凸、凹模刃口尺寸计算原则15 5.2.凸、凹模刃口尺寸计算方法17 5.2.1.凸模和凹模分开加工17 6.模具整体结构形式设计19 7.模具零件的结构设计21 7.1.冲孔凸模的设计21 7.2.凸凹模的设计22 7.3.凹模的设计22 7.4.选择标准模架24 7.5.卸料、压边弹性元件的确定24 8.模具零件的加工工艺26 8.1.冲孔凸模的加工工艺26 8.2.落料凸模的加工工艺26 8.3.凹模的加工工艺27 9.模具的总装配28 设计小结29 致谢30 参考文献31