摘要
本应用本专业所学课程的理论和生产实际知识进行一次冷冲压模具设计工作的实际训练从而培养和提高了我的独立工作能力。本设计通过对变压器硅钢片的冲压工艺与模具设计的工艺性分析,确定了正确的工艺方案。从而对模具设计方案,以及冲压设备作出了分析与选择。通过分析决定采用复合模形式,然后参考其他模具结构以及查手册和计算设计。当所有的参数计算完后,对模具的装配方案,对主要零件的设计和装配要求技术要求都进行了分析。在设计过程中除了设计说明书外,还包括模具的装配图,非标准零件的零件图等。
关键词:变压器硅钢片;模具设计;冲压工艺;冲压设备;复合模
Abstract
I
n this paper, the theory a
nd practical productio
n k
nowledge of the course are applied to co
nduct a practical trai
ni
ng of cold stampi
ng die desig
n, so as to cultivate a
nd improve my i
ndepe
nde
ntworki
ng ability. Through the a
nalysis of stampi
ng process a
nd die desig
n of tra
nsformer silico
n steel sheet, the correct process pla
n is determi
ned. The die desig
n scheme a
nd stampi
ng equipme
nt are a
nalyzed a
nd selected. Through a
nalysis, it is decided to adopt the compou
nd die form, a
nd the
n refer to other die structures, aswell as co
nsulti
ng ma
nuals a
nd calculati
ng desig
ns. After calculati
ng all the parameters, the assembly pla
n of the die a
nd the tech
nical requireme
nts for the desig
n a
nd assembly of the mai
n parts are a
nalyzed. I
n the desig
n process, besides the desig
n i
nstructio
ns, it also i
ncludes assembly drawi
ngs of dies a
nd parts drawi
ngs of
no
n-sta
ndard parts. Keywords: tra
nsformer silico
n steel sheet; die desig
n; stampi
ng process; stampi
ng equipme
nt; composite die 目录 摘要I Abstract II 第一章、绪论1 第二章、零件的工艺分析和工艺方案的确定3 2.1.冲压件的工艺分析3 2.2.确定工艺方案及模具的结构形式3 2.3.排样、计算条料宽度及步距的确定4 2.3.1.搭边值的确定4 2.3.2条料宽度的确定5 2.3.3.送料步距的确定6 2.3.4.排样6 2.3.5.材料利用率的计算: 7 第三章、冲裁力的计算9 3.1.计算冲裁力的公式9 3.2.总冲裁力、卸料力、推料力和总冲压力9 3.2.1.总冲裁力9 3.2.2.卸料力Fx的计算10 3.2.3.推料力Ft的计算10 3.2.4.总的冲压力的计算11 第四章、模具压力中心与计算12 第五章、冲裁模间隙的确定15 第六章、刃口尺寸的计算17 6.1.刃口尺寸计算的基本原则17 6.2.刃口尺寸的计算17 6.3.计算凸、凹模刃口的尺寸18 第七章、主要零部件的设计20 7.1.工作零件的结构设计20 7.1.1.凹模的设计20 7.1.2.凸模的设计23 7.2.模架及其它零件的设计24 7.2.1.上下模座24 7.2.2.模柄24 7.2.3.模具的闭合高度25 第八章、压力机的选择26 结论27 参考文献28
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n this paper, the theory a
nd practical productio
n k
nowledge of the course are applied to co
nduct a practical trai
ni
ng of cold stampi
ng die desig
n, so as to cultivate a
nd improve my i
ndepe
nde
ntworki
ng ability. Through the a
nalysis of stampi
ng process a
nd die desig
n of tra
nsformer silico
n steel sheet, the correct process pla
n is determi
ned. The die desig
n scheme a
nd stampi
ng equipme
nt are a
nalyzed a
nd selected. Through a
nalysis, it is decided to adopt the compou
nd die form, a
nd the
n refer to other die structures, aswell as co
nsulti
ng ma
nuals a
nd calculati
ng desig
ns. After calculati
ng all the parameters, the assembly pla
n of the die a
nd the tech
nical requireme
nts for the desig
n a
nd assembly of the mai
n parts are a
nalyzed. I
n the desig
n process, besides the desig
n i
nstructio
ns, it also i
ncludes assembly drawi
ngs of dies a
nd parts drawi
ngs of
no
n-sta
ndard parts. Keywords: tra
nsformer silico
n steel sheet; die desig
n; stampi
ng process; stampi
ng equipme
nt; composite die 目录 摘要I Abstract II 第一章、绪论1 第二章、零件的工艺分析和工艺方案的确定3 2.1.冲压件的工艺分析3 2.2.确定工艺方案及模具的结构形式3 2.3.排样、计算条料宽度及步距的确定4 2.3.1.搭边值的确定4 2.3.2条料宽度的确定5 2.3.3.送料步距的确定6 2.3.4.排样6 2.3.5.材料利用率的计算: 7 第三章、冲裁力的计算9 3.1.计算冲裁力的公式9 3.2.总冲裁力、卸料力、推料力和总冲压力9 3.2.1.总冲裁力9 3.2.2.卸料力Fx的计算10 3.2.3.推料力Ft的计算10 3.2.4.总的冲压力的计算11 第四章、模具压力中心与计算12 第五章、冲裁模间隙的确定15 第六章、刃口尺寸的计算17 6.1.刃口尺寸计算的基本原则17 6.2.刃口尺寸的计算17 6.3.计算凸、凹模刃口的尺寸18 第七章、主要零部件的设计20 7.1.工作零件的结构设计20 7.1.1.凹模的设计20 7.1.2.凸模的设计23 7.2.模架及其它零件的设计24 7.2.1.上下模座24 7.2.2.模柄24 7.2.3.模具的闭合高度25 第八章、压力机的选择26 结论27 参考文献28
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