寻源地 XYD
美国标平台标准档案编号:BJT-ASME_ANSI--ANSI-B18.27.4-A-7B19
现行有效

ASME/ANSI B18.27.4-A-2017

米制反向轴用弹性挡圈 表A

Metric external retaining rings-Table A

ASME/ANSI B18.27.4-A-2017 米制反向轴用弹性挡圈 表A 标准示意图
国标 GB德标 DIN美标 ASME/ANSI
GB/T 893DIN 471ASME/ANSI B18.27.4-A-2017
螺纹尺寸
d
Φ12.7Φ14.3Φ15.1Φ15.9Ф17.5Φ19Φ19.8Φ20.6Φ22.2Φ23.8Φ25Φ25.4Φ27Φ28.6Φ30.2Φ31.7Φ33.3Φ34.9Ф36.5Φ38.1Φ39.7Φ41.3Φ44.4Φ45Φ46Φ50Ф50.8Ф54Φ54.8Φ63.5Φ69.8Φ73Φ80.2Φ82.5Φ88.9Φ100
bmax2.132.342.442.542.772.973.083.183.383.583.793.793.883.964.044.144.244.344.444.544.674.85.135.135.25.535.64666.767.297.558.238.438.969.55
bmin1.932.142.242.342.512.712.822.923.123.323.533.533.583.663.743.843.944.044.144.244.374.54.834.834.95.235.345.645.646.46.937.197.838.038.569.15
hmax0.940.940.940.941.121.121.121.121.121.121.121.121.321.321.321.321.321.321.321.321.651.651.651.651.651.651.652.062.062.062.442.442.442.442.852.85
hmin0.840.840.840.841.021.021.021.021.021.021.021.021.221.221.221.221.221.221.221.221.491.491.491.491.491.491.491.91.91.92.282.282.282.282.692.69
d大径 最大值11.8413.3614.114.8416.2617.7318.4719.2120.722.1523.6323.6325.1926.6928.1429.6131.0932.5634.1135.4837.0638.5141.9141.9142.8846.5347.32515159.1365.168.0574.6876.8682.7393.02
d大径 最小值11.4612.9813.7214.4615.8817.3518.0918.8320.3221.7723.2523.2524.5626.0627.5128.9830.4631.9333.4834.8536.2237.6741.0741.0742.0445.6946.4849.9949.9958.1263.8366.7873.4175.5981.4691.75
b1max1.141.191.271.321.451.551.581.651.761.861.961.9622.062.082.162.182.232.312.332.412.492.642.642.692.842.893.153.153.483.743.864.244.314.594.85
b1min0.940.991.071.121.191.291.321.391.51.61.71.71.71.761.781.861.881.932.012.032.112.192.342.342.392.542.592.792.793.123.383.53.843.914.194.45
d1max1.321.321.321.321.321.321.321.521.521.521.521.522.362.362.362.362.362.362.362.362.362.362.362.362.362.362.363.433.433.433.433.433.433.433.563.56
d1min1.021.021.021.021.021.021.021.221.221.221.221.221.931.931.931.931.931.931.931.931.931.931.931.931.931.931.9333333333.133.13
该标准(ASME/ANSI B18.27.4-A-2017)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:
产品等级高精冲压定型级
推荐性能等级65Mn; 60Si2MnA (淬硬硬度 44~51HRC); 不锈钢
表面处理规范表面磷化涂防锈油;氧化发黑浸油;达克罗涂层
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:67

行业工况与连接用途

所属工业领域:机械锁紧
核心连接场景:轴承轴向固定、轴端零件限位、孔内零件定位
主要功能用途:卡入轴/孔的沟槽中,限制零件轴向位移,防止轴承或套筒窜动
典型应用节点:

传动轴齿轮与轴承轴向卡槽限位、液压缸活塞限位锁死、销轴两端防轴向脱出

生产制造工艺与质量控制

产品等级(精度):高精冲压定型级
常用材料与性能等级:65Mn; 60Si2MnA (淬硬硬度 44~51HRC); 不锈钢
对应国际/德标:GB/T 893 (孔用); GB/T 894 (轴用); DIN 471; DIN 472; DIN 6799
推荐表面防腐:表面磷化涂防锈油;氧化发黑浸油;达克罗涂层
全流程工序步骤:

优质高碳弹簧钢带开卷 → 多工位精密级进模高速冲裁下料 → 超声波清洗除油 → 保护气氛网带炉淬火定型与回火 → 表面防锈磷化发黑 → 浸润脱水防锈油 → 弹性闭合疲劳抽检 → 成串穿线或纸盒包装

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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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