附录4
1.1拉延类模具
t<1.5mm | t≥1.5mm | ||||
δs<340MPa 程力洒水车价格 | δs≥340MPa | ||||
覆盖件 | 其它 | ||||
Punch | 凸模 | GGG70L | GM241 | GM246/GGG70L | Cr12MoV |
Die | 凹模 | GGG70L | GM241 | Cr12MoV | Cr12MoV |
Blank holder | 压边圈 | GGG70L | GM241 | Cr12MoV | Cr12MoV |
Lwr Shoe | 下模座 | HT300 | |||
Upr Shoe | 上模座 | HT300 | |||
热处理及硬度指标 | Cr12MoV淬火后硬度HRC58~62,GGG70L、GM241、GM246淬火后硬度HRC50~56; | ||||
1.2 修边冲孔类模具
t<suv汽车价格1.5mm | t≥1.5mm | |||
δs<340MPa | δs≥340MPa | |||
Punch | 凸模 | 7CrSiMnMoV(铸态) | 7CrSiMnMoV(锻态) | Cr12MoV |
Die | 凹模 | 汽车贴膜品牌排行榜7CrSiMnMoV(铸态) | 南京汽车7CrSiMnMoV(锻态) | Cr12MoV |
Pad | 压料芯 | HT300或QT600(整形或结构较弱) | ||
Lwr Shoe | 下模座 | HT300 | ||
Upr Shoe | 上模座 | HT300 | ||
热处理及硬度指标 | Cr12MoV淬火后硬度HRC58~62,QT600淬火硬度HRC50-55,7CrSiMnMoV淬火硬度HRC55~60; | |||
1.3翻边整形类模具
t<1.5mm | t≥1.5mm | |||
δs<340MPa | δs≥340MPa | |||
Punch | 凸模 | GM241 | Cr12MoV | |
Die | 凹模 | 7CrSiMnMoV(铸态) | 7CrSiMnMoV(锻态) | Cr12MoV |
Pad | 压料芯 | HT300或QT600(整形时) | ||
Lwr Shoe | 下模座 | HT300 | ||
Upr Shoe | 上模座 | HT300 | ||
热处理及硬度指标 | GM241淬火后硬度HRC50~56,Cr12MoV淬火后硬度HRC58~62,QT600淬火后硬度HRC50-55,7CrSiMnMoV淬火硬度HRC55~60; | |||
1.4 压合类模具材质要求:
预弯镶块 | 压合镶块 | ||
Punch | 上模 | 7CrSiMnMoV(锻态) | |
Die | 下模 | 7CrSiMnMoV(锻态) | GM241 |
Pad | 压料芯 | 45 | |
Lwr Shoe | 下模座 | HT300 | |
Upr Shoe | 上模座 | HT300 | |
热处理及硬度指标 | 7CrSiMnMoV淬火硬度HRC55~60, GM241淬火后硬度HRC50~56; | ||
1.5 落料模具(含开卷)材质要求:
t<1.5mm | t≥1.5mm | |||
δs<340MPa | δs≥340MPa | |||
Cutting sectional die | 切刃 | 7CrSiMnMoV(铸态) | 7CrSiMnMoV(锻态) | Cr12MoV |
Pad | 压料芯 | 45 | ||
Lwr Shoe | 下模座 | HT300 | ||
Upr Shoe | 上模座 | HT300 | ||
泰安莲花汽车 热处理及硬度指标 | Cr12MoV淬火后硬度HRC58~62,7CrSiMnMoV淬火硬度HRC55~60; | |||
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