《英制螺纹规格表[1].pdf》由会员分享，可在线阅读，更多相关《英制螺纹规格表[1].pdf（5页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、名义尺寸 牙型代号 大径螺距每英寸牙数中径小径牙型高 底孔直径No.14BA10.23110.40.860.720.140.75No.13BA1.20.25101.61.050.90.150.95No.12BA1.30.2890.711.130.960.171No.11BA1.50.3181.931.3151.130.1851.2No.10BA1.70.3572.571.491.280.211.35No.9BA1.90.3965.121.6651.430.2351.5No.8BA2.20.4359.071.941.680.261.8No.7BA2.50.4852.922.211.920.292
2、No.6BA2.80.5347.922.482.160.322.3No.5BA3.20.5943.052.8452.490.3552.6No.4BA3.60.6638.483.2052.810.3952.95No.3BA4.10.7334.793.663.220.443.4No.2BA4.70.8131.354.2153.730.4853.9No.1BA5.30.928.224.764.220.544.4No.0BA6125.45.44.80.65基本尺寸 大径螺距每英寸牙数中径小径牙型高 圆弧尺寸 底孔尺寸英 寸mmmmtpimm外螺纹H1rmmd=Dpd2=D2d3R 1/161/167.
3、720.907287.1426.5610.5810.1256.4R 1/81/89.730.907289.1478.5660.5810.1258.4R 1/41/413.21.3371912.301 11.450.8560.18411.2R 3/83/816.71.3371915.806 14.950.8560.18414.75R 1/21/2211.8141419.793 18.631.1620.24918.25R 3/43/426.41.8141425.279 24.121.1620.24923.75R 1133.22.3091131.7730.291.4790.31730R 1 1/41
4、 1/441.92.3091140.431 38.951.4790.31738.5R 1 1/21 1/247.82.3091146.324 44.851.4790.31744.5R 2259.62.3091158.135 56.661.4790.31756R 2 1/22 1/275.22.3091173.705 72.231.4790.31771R 3387.92.3091186.405 84.931.4790.31785.5R 441132.30911111.55 110.11.4790.317110.5R 551382.30911136.95 135.51.4790.317136R 6
5、61642.30911162.35 160.91.4790.317161.5RC2英寸锥管螺纹，每英寸11牙，螺距=25.4/11即2.309，牙高（深）=2.3090.64即1.479，锥度是固定的即1：16，R等于1/32乘以长度，1/32意思是，锥螺纹的锥度是1：16，单边就是1：32，长度意思是：定位点加有效长度，比如我定位3.0，有效长度是12.0，R=1/32 X（3+12）=0.46875英制普通螺纹(惠氏螺纹)-小螺纹系列(BA)螺纹代号55圆锥管螺纹型式和尺寸55圆锥管螺纹型式和尺寸名义尺寸大径螺距每英寸牙数中径小径牙型高 底孔直径Wwmmmmtpimm外螺纹H1mmd=Dp
6、d2=D2d31/16BSW1.590.423601.3151.050.271.153/32BSW2.380.529482.0411.7030.3381.91/8BSW3.180.635402.7682.3620.4062.55/32BSW3.970.793323.4592.9520.5073.23/16BSW4.761.058244.0843.4070.6773.77/32BSW5.561.058244.8784.2010.6774.51/4BSW6.351.27205.5374.7240.8135.15/16BSW7.941.411187.0346.1310.9046.53/8BSW9.5
7、31.588168.5097.4921.0177.97/16BSW11.11.814149.9518.7891.1629.21/2BSW12.72.1171211.3459.991.35510.45/8BSW15.92.3091114.397 12.921.47913.43/4BSW19.12.541017.42415.81.62716.257/8BSW22.22.822920.419 18.611.80719.251BSW25.43.175823.368 21.342.033221 1/8BSW28.63.629726.253 23.932.32424.51 1/4BSW31.83.6297
8、29.42827.12.32427.251 3/8BSW34.94.233632.215 29.512.71130.251 1/2BSW38.14.233635.391 32.682.71133.51 5/8BSW41.35.08538.024 34.773.25335.51 3/4BSW44.55.08541.199 37.953.25338.51 7/8BSW47.65.6454 1/244.01240.43.61441.252BSW50.85.6454 1/247.187 43.573.61444.52 1/4BSW57.26.35453.086 49.024.066502 1/2BSW
9、63.56.35459.436 55.374.066562 3/4BSW69.97.2573 1/265.205 60.564.64761.53BSW76.27.2573 1/271.556 66.914.647683 1/4BSW82.67.8163 1/477.548 72.545.00573.753 1/2BSW88.97.8163 1/483.899 78.895.005803 3/4BSW95.38.467389.832 84.415.42285.54BSW1028.467396.182 90.765.422924 1/4BSW1088.8352 7/8102.396.645.657
10、984 1/2BSW1148.8352 7/8108.651035.657104.24 3/4BSW1219.2372 3/4114.74 108.65.9151105BSW1279.2372 3/4121.09 115.25.915116.55 1/4BSW1339.6772 5/8127.161216.196122.55 1/2BSW1409.6772 5/8133.51 127.36.196128.55 3/4BSW14610.162 1/2139.551336.506134.56BSW15210.162 1/2145.9139.46.506141英制普通螺纹(惠氏螺纹)-粗牙(BSW)
11、英制普通螺纹(惠氏螺纹)-粗牙(BSW)牙型代号名义尺寸大径螺距每英寸牙数中径小径牙型高 底孔直径BSFmmmmtpimm外螺纹H1mmd=Dpd2=D2d33/16BSF4.760.794324.2553.7470.50847/32BSF5.560.907284.9754.3940.5814.61/4BSF6.350.977265.7255.10.6255.39/32BSF7.140.977266.5185.8930.6256.15/16BSF7.941.156227.1996.4590.7396.83/8BSF9.531.27208.7127.8990.8138.37/16BSF11.11
12、.4111810.209 9.3040.9049.71/2BSF12.71.5881611.684 10.671.01711.19/16BSF14.31.5881613.272 12.261.01712.75/8BSF15.91.8141414.712 13.551.1621411/16BSF17.51.8141416.315.141.16215.53/4BSF19.12.1171217.693 16.341.35516.7513/16BSF20.62.1171219.281 17.921.35518.257/8BSF22.22.3091120.747 19.271.47919.751.00B
13、SF25.42.541023.774 22.151.62722.751 1/8BSF28.62.822926.769 24.961.80726.51 1/4BSF31.82.822929.944 28.141.80728.751 3/8BSF34.93.175832.893 30.862.03331.51 1/2BSF38.13.175836.068 34.042.03334.51 5/8BSF41.33.175839.243 37.212.033381 3/4BSF44.53.629742.12639.82.32440.52BSF50.83.629748.476 46.152.324472
14、1/4BSF57.24.234654.4451.732.711532 1/2BSF63.54.234660.7958.082.711592 3/4BSF69.94.234667.1464.432.711-3BSF76.25.08572.946 69.693.253-3 1/4BSF82.65.08579.296 76.043.253-3 1/2BSF88.95.6454 1/285.285 81.673.614-3 3/4BSF95.35.6454 1/291.635 88.023.614-4BSF1025.6454 1/297.985 94.373.614-4 1/4BSF1086.3541
15、03.89 99.824.066-英制普通螺纹(惠氏螺纹)-细牙(BSF)英制普通螺纹(惠氏螺纹)-细牙(BSF)牙型代号大径螺距每英寸牙数中径小径牙型高度底孔尺寸mmmmtpimm外螺纹H1mmd=Dpd2=D2d3G 1/81/89.730.907289.1478.5660.5818.7G 1/41/413.21.3371912.301 11.450.85611.6G 3/83/816.71.3371915.806 14.950.85615G 1/21/2211.8141419.793 18.631.16219G 5/85/822.91.8141421.749 20.591.16220.7
16、5G 3/43/426.41.8141425.279 24.121.16224.5G 7/87/830.21.8141429.039 27.881.16228G 1133.22.3091131.7730.291.47930.5G 1 1/81 1/837.92.3091136.418 34.941.47935G 1 1/41 1/441.92.3091140.431 38.951.47939.5G 1 3/81 3/844.32.3091142.844 41.371.47941.5G 1 1/21 1/247.82.3091146.324 44.851.47945G 1 3/41 3/453.
17、72.3091152.267 50.791.47951G 2259.62.3091158.135 56.661.47957G 2 1/42 1/465.72.3091164.231 62.751.47963G 2 1/22 1/275.22.3091173.705 72.231.47972.5G 2 3/42 3/481.52.3091180.055 78.581.47979G 3387.92.3091186.405 84.931.47985.5G 3 1/43 1/4942.3091192.501 91.021.47991G 3 1/23 1/21002.3091198.351 97.371
18、.47997.75G 3 3/43 3/41072.30911105.2103.71.479104G 441132.30911111.55 110.11.479110.5G 4 1/24 1/21262.30911124.25 122.81.479123G 551382.30911136.95 135.51.479136G 5 1/25 1/21512.30911149.65 148.21.479148.5G 661642.30911162.35 160.91.479161.51、密封管螺纹（、密封管螺纹（R）英制密封管螺纹的基本尺寸及其公差英制密封管螺纹的基本尺寸及其公差配合方式配合方式英制
19、密封管螺纹的完整标记由螺纹特征代号、螺纹尺寸代号和旋向代号组成英制密封管螺纹的完整标记由螺纹特征代号、螺纹尺寸代号和旋向代号组成.英制密封圆柱内螺纹的特征代号为：英制密封圆柱内螺纹的特征代号为：RP；英制密封圆锥内螺纹的特征代号为：英制密封圆锥内螺纹的特征代号为：RC；英制密封圆锥外螺纹的特征代号为：英制密封圆锥外螺纹的特征代号为：R1（与英制密封圆柱内螺纹配合使用）；（与英制密封圆柱内螺纹配合使用）；R2（与英制密封圆锥内螺纹配合使用）；（与英制密封圆锥内螺纹配合使用）；英制密封管螺纹有两种配合方式：圆柱内螺纹与圆锥外螺纹组成英制密封管螺纹有两种配合方式：圆柱内螺纹与圆锥外螺纹组成“柱柱/锥
20、锥”配合；圆锥内螺纹与圆锥配合；圆锥内螺纹与圆锥外螺纹组成外螺纹组成“锥锥/锥锥”配合配合.螺纹代号 基本尺寸欧洲国家主要采用欧洲国家主要采用“柱柱/锥锥”配合螺纹；而欧洲以外国家则主要采用配合螺纹；而欧洲以外国家则主要采用“柱柱/锥锥”配合螺纹配合螺纹.两种螺纹的检验两种螺纹的检验量规存量规存在一定不同；目前的在一定不同；目前的ISO英制密封管螺纹量规标准（英制密封管螺纹量规标准（ISO 7-2：2000）是按）是按“柱柱/锥锥”配合体系设计配合体系设计的的.55圆柱管螺纹的型式和尺寸55圆柱管螺纹的型式和尺寸British Pipe Thread(惠氏管螺纹)-圆柱(BSPP/BSPF)左
21、旋螺纹的旋向代号为左旋螺纹的旋向代号为LH；右旋螺纹的旋向代号省略不标；右旋螺纹的旋向代号省略不标.对密封管螺纹，利用对密封管螺纹，利用RP/R1，RC/R2分别表示分别表示“柱柱/锥锥”和和“锥锥/锥锥”螺纹副螺纹副.2、非密封管螺纹、非密封管螺纹英制非密封管的基本尺寸及其极限偏差英制非密封管的基本尺寸及其极限偏差标记标记:英制非密封管螺纹的完整标记由螺纹特征代号，螺纹尺寸代号，中径公差等级代号和旋向代号组成英制非密封管螺纹的完整标记由螺纹特征代号，螺纹尺寸代号，中径公差等级代号和旋向代号组成.英制非密封圆柱螺纹的特征代号为：英制非密封圆柱螺纹的特征代号为：G左旋螺纹的旋向代号为左旋螺纹的旋
22、向代号为LH；右旋螺纹的旋向代号省略不标；右旋螺纹的旋向代号省略不标.当表示英制非密封管螺纹的螺纹副时，仅标注外螺纹的标记代号当表示英制非密封管螺纹的螺纹副时，仅标注外螺纹的标记代号.示例：示例：尺寸代号为尺寸代号为2的右旋，非密封圆柱内螺纹：的右旋，非密封圆柱内螺纹：G2尺寸代号为尺寸代号为3的的A级，右旋，非密封圆柱外螺纹：级，右旋，非密封圆柱外螺纹：G3A尺寸代号为尺寸代号为4的的B级，左旋，非密封圆柱外螺纹：级，左旋，非密封圆柱外螺纹：G4 B-LH尺寸代号为尺寸代号为2的右旋，非密封圆柱内螺纹与的右旋，非密封圆柱内螺纹与A级圆柱外螺纹组成的螺纹副：级圆柱外螺纹组成的螺纹副：G2A加工
23、内孔螺纹的是管螺纹丝锥加工内孔螺纹的是管螺纹丝锥 加工外螺纹的有板牙。加工外螺纹的有板牙。其他：其他：55 圆锥管螺纹的转化圆锥管螺纹的转化中国中国 英国英国 法国法国 日本日本 iso代号代号 ZG R（外）（外）G PT RR(外螺纹外螺纹)Rc（内）（内）R R Rc60 圆锥管螺纹的转化圆锥管螺纹的转化60 圆锥管螺纹是指牙型角为圆锥管螺纹是指牙型角为60、螺纹锥度为、螺纹锥度为1：16的管螺纹，此系列螺纹在我国机床行业和美国的管螺纹，此系列螺纹在我国机床行业和美国、前苏联应用。它的代号，我国过去规定为、前苏联应用。它的代号，我国过去规定为K，后来规定为，后来规定为Z，现在改为，现在改为NPT.对英制非密封圆柱内螺纹，其中径公差等级代号省略不标；而英制非密封圆柱外螺纹的中径公尺等对英制非密封圆柱内螺纹，其中径公差等级代号省略不标；而英制非密封圆柱外螺纹的中径公尺等级代号分别为级代号分别为A和和B.55 圆锥管螺纹，是指螺纹的牙型角为圆锥管螺纹，是指螺纹的牙型角为55、螺纹具有、螺纹具有1：16的锥度。该系列螺纹在世界上应用广的锥度。该系列螺纹在世界上应用广泛，它的代号，各国规定不同。泛，它的代号，各国规定不同。