寻源地 XYD
美军标平台标准档案编号:BJT-MS-MS-9274B-5998
已被 MS 9274B-2006 替代
替代新版:MS 9274B-2006→

MS 9274B-2001

滚动轴承双内舌锁紧垫圈

Rolling bearings double internal tab lockwashers

本标准已废止,现行替代版本为:MS 9274B-2006
前往新版标准→
MS 9274B-2001 滚动轴承双内舌锁紧垫圈 标准示意图
国标 GB国际 ISO德标 DIN
GB/T 77~80ISO 4026~4029DIN 913
螺纹尺寸
d
0.4270.5070.6160.6940.821.011.2071.421.621.8352.022.232.422.6052.82.993.23.413.583.83.994.194.4
bmax0.1150.1150.1150.1150.1760.1760.1760.1760.30.30.30.30.30.30.30.30.360.360.360.360.360.360.36
bmin0.1050.1050.1050.1050.1560.1560.1560.1560.280.280.280.280.280.280.280.280.340.340.340.340.340.340.34
hmax0.0350.0350.0350.0350.0440.0440.0440.0540.0540.0540.0540.0680.0680.0680.0680.0680.0680.0680.0680.0680.0680.0680.068
hmin0.0290.0290.0290.0290.0360.0360.0360.0460.0460.0460.0460.0580.0580.0580.0580.0580.0580.0580.0580.0580.0580.0580.058
hmax0.0940.0940.0940.0940.0940.1250.1250.1250.1250.1560.1560.1560.1560.1560.250.250.250.250.250.250.3120.3120.312
hmin0.0740.0740.0740.0740.0740.1050.1050.1050.1050.1360.1360.1360.1360.1360.230.230.230.230.230.230.2920.2920.292
dc法兰外径 最大值0.8280.9221.0941.2031.3751.5021.8592.0782.252.52.6882.9533.1883.3753.5943.9224.1414.3594.5474.81255.1835.406
dc法兰外径 最小值0.7980.8921.0641.1731.3451.4721.8292.0482.222.472.6582.9233.1583.3453.5643.8924.1114.3294.5174.7824.975.1535.376
r过渡圆角 最大值0.0150.0250.0350.0350.0350.0450.0450.0450.0450.0450.0550.0550.0550.0650.0750.0750.0850.0850.0850.0850.0850.0850.085
r过渡圆角 最小值0.0050.0150.0250.0250.0250.0350.0350.0350.0350.0350.0450.0450.0450.0550.0650.0650.0750.0750.0750.0750.0750.0750.075
d大径 最大值0.4370.5170.6260.7040.831.021.2171.431.631.8452.032.242.432.6152.8133.213.423.593.8144.24.41
d大径 最小值0.4270.5070.6160.6940.821.011.2071.421.621.8352.022.232.422.6052.82.993.23.413.583.83.994.194.4
b1max0.0940.0940.0940.0940.1560.1560.1560.1560.220.220.220.220.220.220.220.3120.3120.3120.3120.3120.3120.3750.375
b1min0.0840.0840.0840.0840.1460.1460.1460.1460.2040.2040.2040.2040.2040.2040.2040.2970.2970.2970.2970.2970.2970.360.36
d1max0.5510.6450.770.8951.021.2081.4581.6761.8642.0822.272.522.7082.8953.1143.3953.7143.8324.024.2394.4264.6144.832
d1min0.5310.6250.750.87511.1881.4381.6561.8442.0622.252.52.6882.8753.0943.3753.6943.81244.2194.4064.5944.812
n1max0.120.1680.2140.2530.3040.390.490.5880.680.7870.880.9651.061.1521.2421.3281.4281.5251.611.721.8151.9152.02
n1min0.070.1180.1640.2030.2540.340.440.5380.630.7370.830.9151.011.1021.1921.2781.3781.4751.561.671.7651.8651.97
Numberof external teeth99111111131315151717171719191919191919191919
该标准(MS 9274B-2001)暂无直接嵌套的原生规范矩阵表。以下为本标准已归档的核心技术要求:
产品等级A级 (6g 精密级)
推荐性能等级45H (合金钢淬火回火, 450HV); 33H; A2-21H不锈钢
表面处理规范氧化发黑浸防锈油;镀锌钝化;本色超声波脱脂(不锈钢)
主要适配材质碳钢 / 不锈钢 / 合金钢

工程应用场景与制造工艺画像

应用热度指数:71

行业工况与连接用途

所属工业领域:军工
核心连接场景:螺栓/螺母连接的支撑面扩大、防松、密封、绝缘
主要功能用途:增大支撑面积、保护被连接件表面,弹簧垫圈提供防松弹力
典型应用节点:

传动轴皮带轮与联轴器径向锁死、轴承衬套轴向限位、数控机床机械手精密微调紧定

生产制造工艺与质量控制

产品等级(精度):A级 (6g 精密级)
常用材料与性能等级:45H (合金钢淬火回火, 450HV); 33H; A2-21H不锈钢
对应国际/德标:DIN 913; DIN 914; DIN 915; DIN 916; ISO 4026~4029; GB/T 77~80
推荐表面防腐:氧化发黑浸防锈油;镀锌钝化;本色超声波脱脂(不锈钢)
全流程工序步骤:

SCM435/35CrMo合金盘条 → 球化退火 → 冷拔精密线材 → 无头多工位冷镦冲六角内孔 → 冷锻凹端/尖端/平端 → 精密无心滚丝机滚丝 → 光亮保护气氛淬火与高温回火 → 去油煮黑浸防锈油 → 光学通止规全检 → 塑料盒装入库

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工程数据声明:上述参数摘录自紧固件相关行业标准文献,用于前期设计选型与通用公差参考。精密装配、特种防腐或大宗采办时,请以官方正版最新标准文件为准。

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