1) coarse threads
大螺距英制螺纹
1.
Tooling designing on coarse threads in fluid end;
介绍通过设计专用工装,得到了在普通卧车上加工液缸上大螺距英制螺纹的成功经验。
3) steep pitch of thread
螺纹大节距
4) English screw pitch gauge
英制螺距规
5) BS outer screw thread
英制外螺纹
6) British thread
英制螺纹孔
1.
The technology and experience of cyclone milling machine machining thread are introduced,as well as the machining method of M105×4-6H&M90×4-6H metric thread,2-1/2"-UNC-2B British thread,and blade consumption rate.
详细介绍了旋风铣加工大规格螺纹孔的工艺及使用经验,如M105×4-6H,M90×4-6H公制螺纹孔及2-1/2"-UNC-2B英制螺纹孔的加工方法,同时给出了刀片消耗定额。
补充资料:英制惠氏螺纹的型式尺寸
名义尺寸 Ww | 牙型代号 | 大径 mm d=D | 螺距 mm p | 每英寸牙数 tpi | 中径 mm d2=D2 | 小径 外螺纹 d3 | 牙型高 H1 | 底孔直径 mm | |
1/16" | BSW | 1.587 | 0.423 | 60 | 1.315 | 1.050 | 0.270 | 1.15 | |
3/32" | BSW | 2.381 | 0.529 | 48 | 2.041 | 1.703 | 0.338 | 1.90 | |
1/8" | BSW | 3.175 | 0.635 | 40 | 2.768 | 2.362 | 0.406 | 2.50 | |
5/32" | BSW | 3.969 | 0.793 | 32 | 3.459 | 2.952 | 0.507 | 3.20 | |
3/16" | BSW | 4.762 | 1.058 | 24 | 4.084 | 3.407 | 0.677 | 3.70 | |
7/32" | BSW | 5.556 | 1.058 | 24 | 4.878 | 4.201 | 0.677 | 4.50 | |
1/4" | BSW | 6.350 | 1.270 | 20 | 5.537 | 4.724 | 0.813 | 5.10 | |
5/16" | BSW | 7.938 | 1.411 | 18 | 7.034 | 6.131 | 0.904 | 6.50 | |
3/8" | BSW | 9.525 | 1.588 | 16 | 8.509 | 7.492 | 1.017 | 7.90 | |
7/16" | BSW | 11.113 | 1.814 | 14 | 9.951 | 8.789 | 1.162 | 9.20 | |
1/2" | BSW | 12.700 | 2.117 | 12 | 11.345 | 9.990 | 1.355 | 10.40 | |
5/8" | BSW | 15.876 | 2.309 | 11 | 14.397 | 12.918 | 1.479 | 13.40 | |
3/4" | BSW | 19.051 | 2.540 | 10 | 17.424 | 15.798 | 1.627 | 16.25 | |
7/8" | BSW | 22.226 | 2.822 | 9 | 20.419 | 18.611 | 1.807 | 19.25 | |
1" | BSW | 25.400 | 3.175 | 8 | 23.368 | 21.335 | 2.033 | 22.00 | |
1 1/8" | BSW | 28.576 | 3.629 | 7 | 26.253 | 23.929 | 2.324 | 24.50 | |
1 1/4" | BSW | 31.751 | 3.629 | 7 | 29.428 | 27.104 | 2.324 | 27.25 | |
1 3/8" | BSW | 34.926 | 4.233 | 6 | 32.215 | 29.505 | 2.711 | 30.25 | |
1 1/2" | BSW | 38.100 | 4.233 | 6 | 35.391 | 32.680 | 2.711 | 33.50 | |
1 5/8" | BSW | 41.277 | 5.080 | 5 | 38.024 | 34.771 | 3.253 | 35.50 | |
1 3/4" | BSW | 44.452 | 5.080 | 5 | 41.199 | 37.946 | 3.253 | 38.50 | |
1 7/8" | BSW | 47.627 | 5.645 | 4 1/2 | 44.012 | 40.398 | 3.614 | 41.25 | |
2" | BSW | 50.802 | 5.645 | 4 1/2 | 47.187 | 43.573 | 3.614 | 44.50 | |
2 1/4" | BSW | 57.152 | 6.350 | 4 | 53.086 | 49.020 | 4.066 | 50.00 | |
2 1/2" | BSW | 63.502 | 6.350 | 4 | 59.436 | 55.370 | 4.066 | 56.00 | |
2 3/4" | BSW | 69.853 | 7.257 | 3 1/2 | 65.205 | 60.558 | 4.647 | 61.50 | |
3" | BSW | 76.203 | 7.257 | 3 1/2 | 71.556 | 66.909 | 4.647 | 68.00 | |
3 1/4" | BSW | 82.553 | 7.816 | 3 1/4 | 77.548 | 72.544 | 5.005 | 73.75 | |
3 1/2" | BSW | 88.903 | 7.816 | 3 1/4 | 83.899 | 78.894 | 5.005 | 80.00 | |
3 3/4" | BSW | 95.254 | 8.467 | 3 | 89.832 | 84.410 | 5.422 | 85.50 | |
4" | BSW | 101.604 | 8.467 | 3 | 96.182 | 90.760 | 5.422 | 92.00 | |
4 1/4" | BSW | 107.954 | 8.835 | 2 7/8 | 102.297 | 96.639 | 5.657 | 98.00 | |
4 1/2" | BSW | 114.304 | 8.835 | 2 7/8 | 108.647 | 102.990 | 5.657 | 104.20 | |
4 3/4" | BSW | 120.665 | 9.237 | 2 3/4 | 114.740 | 108.625 | 5.915 | 110.00 | |
5" | BSW | 127.005 | 9.237 | 2 3/4 | 121.090 | 115.176 | 5.915 | 116.50 | |
5 1/4" | BSW | 133.355 | 9.677 | 2 5/8 | 127.159 | 120.963 | 6.196 | 122.50 | |
5 1/2" | BSW | 139.705 | 9.677 | 2 5/8 | 133.509 | 127.313 | 6.196 | 128.50 | |
5 3/4" | BSW | 146.055 | 10.160 | 2 1/2 | 139.549 | 133.043 | 6.506 | 134.50 | |
6" | BSW | 152.406 | 10.160 | 2 1/2 | 145.900 | 139.394 | 6.506 | 141.00 | |
英制普通螺纹 -- 细牙 -- BSF
名义尺寸 BSF | 牙型代号 | 大径 mm d=D | 螺距 mm p | 每英寸牙数 tpi | 中径 mm d2=D2 | 小径 外螺纹 d3 | 牙型高 H1 | 底孔直径 mm |
3/16 | BSF | 4.763 | 0.794 | 32 | 4.255 | 3.747 | 0.508 | 4.00 |
7/32 | BSF | 5.556 | 0.907 | 28 | 4.975 | 4.394 | 0.581 | 4.60 |
1/4 | BSF | 6.350 | 0.977 | 26 | 5.725 | 5.100 | 0.625 | 5.30 |
9/32 | BSF | 7.142 | 0.977 | 26 | 6.518 | 5.893 | 0.625 | 6.10 |
5/16 | BSF | 7.938 | 1.156 | 22 | 7.199 | 6.459 | 0.739 | 6.80 |
3/8 | BSF | 9.525 | 1.27 | 20 | 8.712 | 7.899 | 0.813 | 8.30 |
7/16 | BSF | 11.113 | 1.411 | 18 | 10.209 | 9.304 | 0.904 | 9.70 |
1/2 | BSF | 12.700 | 1.588 | 16 | 11.684 | 10.668 | 1.017 | 11.10 |
9/16 | BSF | 14.288 | 1.588 | 16 | 13.272 | 12.256 | 1.017 | 12.70 |
5/8 | BSF | 15.875 | 1.814 | 14 | 14.712 | 13.549 | 1.162 | 14.00 |
11/16 | BSF | 17.463 | 1.814 | 14 | 16.300 | 15.137 | 1.162 | 15.50 |
3/4 | BSF | 19.050 | 2.117 | 12 | 17.693 | 16.336 | 1.355 | 16.75 |
13/16 | BSF | 20.638 | 2.117 | 12 | 19.281 | 17.924 | 1.355 | 18.25 |
7/8 | BSF | 22.225 | 2.309 | 11 | 20.747 | 19.269 | 1.479 | 19.75 |
1 | BSF | 25.400 | 2.54 | 10 | 23.774 | 22.148 | 1.627 | 22.75 |
1 1/8 | BSF | 28.575 | 2.822 | 9 | 26.769 | 24.963 | 1.807 | 26.50 |
1 1/4 | BSF | 31.750 | 2.822 | 9 | 29.944 | 28.138 | 1.807 | 28.75 |
1 3/8 | BSF | 34.925 | 3.175 | 8 | 32.893 | 30.861 | 2.033 | 31.50 |
1 1/2 | BSF | 38.100 | 3.175 | 8 | 36.068 | 34.036 | 2.033 | 34.50 |
1 5/8 | BSF | 41.275 | 3.175 | 8 | 39.243 | 37.211 | 2.033 | 38.00 |
1 3/4 | BSF | 44.450 | 3.629 | 7 | 42.126 | 39.802 | 2.324 | 40.50 |
2 | BSF | 50.800 | 3.629 | 7 | 48.476 | 46.152 | 2.324 | 47.00 |
2 1/4 | BSF | 57.150 | 4.234 | 6 | 54.440 | 51.730 | 2.711 | 53.00 |
2 1/2 | BSF | 63.500 | 4.234 | 6 | 60.790 | 58.080 | 2.711 | 59.00 |
2 3/4 | BSF | 69.850 | 4.234 | 6 | 67.140 | 64.430 | 2.711 | - |
3 | BSF | 76.200 | 5.08 | 5 | 72.946 | 69.692 | 3.253 | - |
3 1/4 | BSF | 82.550 | 5.08 | 5 | 79.296 | 76.042 | 3.253 | - |
3 1/2 | BSF | 88.900 | 5.645 | 4 1/2 | 85.285 | 81.670 | 3.614 | - |
3 3/4 | BSF | 95.250 | 5.645 | 4 1/2 | 91.635 | 88.020 | 3.614 | - |
4 | BSF | 101.600 | 5.645 | 4 1/2 | 97.985 | 94.370 | 3.614 | - |
4 1/4 | BSF | 107.950 | 6.35 | 4 | 103.886 | 99.822 | 4.066 | - |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条