寻源地 XYD
美国标平台标准档案编号:BJT-ASME_ANSI--ANSI-B18.27.3-C-702A
已被 ASME/ANSI B18.27.3-C-2017 替代

ASME/ANSI B18.27.3-C-1998

米制鞍型孔用弹性挡圈 表C

Metric curved retaining rings for bores-Table C

本标准已废止,现行替代版本为:ASME/ANSI B18.27.3-C-2017
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ASME/ANSI B18.27.3-C-1998 米制鞍型孔用弹性挡圈 表C 标准示意图
国标 GB德标 DIN美标 ASME/ANSI
GB/T 893DIN 471ASME/ANSI B18.27.3-C-1998
螺纹尺寸
d
Φ6.4Φ7.9Φ9.5Φ11.1Ф11.5Φ12.7Φ13Φ14.3Φ15.9Ф17.5Φ19Ф19.7Φ20.6Φ22Φ22.2Ф22.9Φ23.8Φ25.4Φ26Φ27Φ28.6Φ30Φ30.2Φ31.7Φ32Φ33.3Φ34.9Φ35Ф36.5Φ37Φ38.1Φ39.7Φ40Φ41.3Φ44.4
bmax0.690.891.11.321.351.451.451.451.621.71.882.012.092.192.262.342.442.772.822.943.13.23.23.33.33.453.453.453.533.533.534.174.174.354.52
bmin0.590.790.941.161.191.251.251.251.421.51.681.751.831.9322.082.182.512.562.642.82.92.9333.153.153.153.233.233.233.813.813.994.16
hmax0.430.430.690.690.690.940.940.940.940.941.121.121.121.121.121.121.121.121.121.321.321.321.321.321.321.321.321.321.321.321.321.651.651.651.65
hmin0.330.330.590.590.590.840.840.840.840.841.021.021.021.021.021.021.021.021.021.221.221.221.221.221.221.221.221.221.221.221.221.491.491.491.49
hmax1.061.061.341.341.341.781.781.781.781.781.782.052.052.052.052.052.052.052.052.462.462.462.462.462.462.462.462.462.462.462.463.33.33.33.3
hmin0.760.761.041.041.041.421.421.421.421.421.421.651.651.651.651.651.651.651.651.861.861.861.861.861.861.861.861.861.861.861.862.542.542.542.54
d大径 最大值7.369.0410.7912.4912.914.1714.471617.8819.6321.3622.0723.2724.7925.0425.7826.8228.629.2330.6132.3634.1434.1435.935.937.6239.439.441.1841.6942.844.9344.9346.7150.22
d大径 最小值6.868.5410.2911.9912.413.6713.9715.517.3819.1320.8621.5722.5124.0324.2825.0226.0627.8428.4729.3331.0832.8632.8634.6234.6236.3438.1238.1239.940.4141.5243.443.445.1848.69
b1max1.731.752.162.572.572.973.023.483.483.483.733.844.064.064.064.064.064.064.064.74.74.74.74.74.74.74.74.74.74.74.75.265.265.896.07
b2max0.430.510.790.820.840.990.990.990.991.011.121.251.251.271.271.321.41.451.51.551.61.621.621.721.721.721.751.751.81.81.832.162.162.262.29
b2min0.330.410.630.660.680.790.790.790.790.810.920.990.991.011.011.061.141.191.241.251.31.321.321.421.421.421.451.451.51.51.531.81.81.91.93
d1max1.041.041.291.291.441.441.441.441.821.821.821.821.821.821.821.821.821.821.822.362.362.362.362.362.362.362.362.362.362.362.362.362.362.362.36
d1min0.740.740.990.991.141.141.141.141.521.521.521.521.521.521.521.521.521.521.521.931.931.931.931.931.931.931.931.931.931.931.931.931.931.931.93
该标准(ASME/ANSI B18.27.3-C-1998)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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