(完整版)钻铤的尺寸规格 .doc

《(完整版)钻铤的尺寸规格 .doc》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、表1钻铤的尺寸规格钻铤螺纹型号外径D内径d长度Lmm台肩倒角直径DFmm参考的弯曲强度比mminmminNC23-3179.431/831.811/4915076.22.57:1NC26-35(23/8IF)88.931/238.111/2915082.92.42:1NC31-41(27/8IF)104.841/850.829150100.42.43:1NC35-47120.743/450.829150114.72.58:1NC3850(31/2IF)127.0557.221/49150121.02

2、.38:1NC44-60152.4657.221/49150或9450144.52.49:1NC44-62158.861/457.221/49150或9450149.22.91:1NC46-62(4IF)158.861/471.429150或9450150.02.63:113/16NC46-65(4IF)165.161/257.221/49150或9450154.82.76:1NC46-65(4IF)165.161/271.429150或9450154.83.05:113/16NC46-67(4IF

3、)171.463/457.221/49150或9450159.53.18:1NC50-67(41/2IF)171.463/471.429150或9450159.52.37:113/16NC50-70(41/2IF)177.8757.221/49150或9450164.72.54:1NC50-70(41/2IF)177.87271.49150或9450164.72.73:1NC50-72(41/2IF)184.271/471.413/1629150或9450169.53.12:113/16NC50-7

4、7196.873/471.429150或9450185.32.70:113/16NC50-80203.2871.49150或9450190.13.02:113/1665/8REG209.681/4271.49150或9450195.72.93:113/16NC61-90228.69271.49150或9450212.73.17:113/1675/8REG241.391/276.239150或9450223.82.81:1NC70-97247.693/476.239150或9450232.62.57:

5、1NC70-100254.01076.239150或9450237.32.81:185/8REG279.41176.239150或9450266.72.84:1机械性能(钻铤）外径OD屈服强度0.2Mpa抗强长度率b4Mp%a布氏硬度HB夏比冲击功AKVJ2拉伸mmininch79.4-171.431/8-63/4≥75≥9865≥1177.8-279.47-11螺纹连接≥部68位应≥力9分散3槽285-341≥54930钻铤螺纹类型内螺纹台肩面至后一牙长度±1.59mm可替代内螺纹台肩面至力

6、分散槽长度LRG+0-3.18注：NC23、26、31与23/8IF螺纹因壁薄而不带连接部位应力分散模槽内螺纹圆柱段直径内螺纹圆柱段后的锥孔外螺纹槽直径DG+0,Dcb锥度+0+0.40,-0±20.83-0.79mmmm/mmmNC3582.682.15166.6782.15mm85.73NC38(31/2IF)88.988.11166.6789.3092.08NC44101.6101.60166.67106.36104.78NC46(4IF)101.6106.76166.67109.93104.

7、78NC50(41/2IF)101.6117.48166.67120.65104.78NC56114.3121.84250.00134.14117.48NC61127.0132.95250.00149.25130.18NC70139.7152.00250.00171.05142.8865/8REG114.3134.14166.67137.72117.4875/8REG120.7133.35250.00162.72123.8385/8REG123.8149.25250.00184.94127.00