55°圆锥管螺纹型式和尺寸图解
发布时间:2011-11-19
作者:
数控
来源:360cnc
55°圆锥管螺纹(BSPT) 螺纹代号 基本尺寸英 寸 大径mmd=D 螺距mmp 每英寸牙数tpi 中径mmd2=D2 小径外螺纹d3 牙型高度H1 圆弧尺寸r 底孔尺寸 mm R 1/16 1/16" 7.723 0.907 28 7.142 6.561 0.581 0.125 6.4 R 1 ...
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55°圆锥管螺纹(BSPT)
螺纹代号
|
基本尺寸 英 寸 |
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 |
牙型高度 H1 |
圆弧尺寸 r |
底孔尺寸 mm |
R 1/16 |
1/16" |
7.723 |
0.907 |
28 |
7.142 |
6.561 |
0.581 |
0.125 |
6.4 |
R 1/8 |
1/8" |
9.728 |
0.907 |
28 |
9.147 |
8.566 |
0.581 |
0.125 |
8.4 |
R 1/4 |
1/4" |
13.157 |
1.337 |
19 |
12.301 |
11.445 |
0.856 |
0.184 |
11.2 |
R 3/8 |
3/8" |
16.662 |
1.337 |
19 |
15.806 |
14.950 |
0.856 |
0.184 |
14.75 |
R 1/2 |
1/2" |
20.955 |
1.814 |
14 |
19.793 |
18.631 |
1.162 |
0.249 |
18.25 |
R 3/4 |
3/4" |
26.441 |
1.814 |
14 |
25.279 |
24.117 |
1.162 |
0.249 |
23.75 |
R 1 |
1" |
33.249 |
2.309 |
11 |
31.77 |
30.291 |
1.479 |
0.317 |
30 |
R 1 1/4 |
1 1/4" |
41.910 |
2.309 |
11 |
40.431 |
38.952 |
1.479 |
0.317 |
38.5 |
R 1 1/2 |
1 1/2" |
47.803 |
2.309 |
11 |
46.324 |
44.845 |
1.479 |
0.317 |
44.5 |
R 2 |
2" |
59.614 |
2.309 |
11 |
58.135 |
56.656 |
1.479 |
0.317 |
56 |
R 2 1/2 |
2 1/2" |
75.184 |
2.309 |
11 |
73.705 |
72.226 |
1.479 |
0.317 |
71 |
R 3 |
3" |
87.884 |
2.309 |
11 |
86.405 |
84.926 |
1.479 |
0.317 |
85.5 |
R 4 |
4" |
113.030 |
2.309 |
11 |
111.551 |
110.072 |
1.479 |
0.317 |
110.5 |
R 5 |
5" |
138.430 |
2.309 |
11 |
136.951 |
135.472 |
1.479 |
0.317 |
136 |
R 6 |
6" |
163.830 |
2.309 |
11 |
162.351 |
160.872 |
1.479 |
0.317 |
161.5 | | |