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| 英制螺纹的基本尺寸 |
| 双击自动滚屏 |
发布者：admin 发布时间：2008-6-9 12:16:25 阅读：2447次 【字体：大 中 小】 |
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螺 纹 的 基 本 尺 寸 |
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尺寸代号 |
每25.4mm内的牙数(n) |
螺距 |
牙高 |
刀具圆弧半径 |
大径 |
中径 |
小径 |
基本距离 |
最小端直径值 |
圆弧R值（倒角圆弧值） |
编程时R转角处直径值 |
有效螺纹长度 |
有效螺纹长度的直径值 |
距离值（锥度部分长度） |
锥度最大处直径值 |
实际加工螺纹吃刀深度 |
编程R值（起始点半径差） |
0.6403 |
|
1/8 |
28 |
0.907 |
0.581 |
0.125 |
9.728 |
9.147 |
8.566 |
4 |
9.479 |
2 |
9.60346 |
6.5 |
9.8837 |
10 |
10.102 |
0.74403 |
0.20238 |
2 |
|
1/4 |
19 |
1.337 |
0.856 |
0.184 |
13.157 |
12.301 |
11.445 |
6 |
12.78 |
2 |
12.9079 |
9.7 |
13.387 |
11 |
13.468 |
1.09619 |
0.30201 |
0.031135 |
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3/8 |
19 |
1.337 |
0.856 |
0.184 |
16.662 |
15.806 |
14.95 |
6 |
16.29 |
|
16.2884 |
10.1 |
16.917 |
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16.288 |
1.09619 |
0.31446 |
25.4 |
|
1/2 |
14 |
1.814 |
1.162 |
0.249 |
20.955 |
19.793 |
18.631 |
6.4 |
20.56 |
|
20.5565 |
13.2 |
21.378 |
16 |
21.553 |
1.48806 |
0.41098 |
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3/4 |
14 |
1.814 |
1.162 |
0.249 |
26.441 |
25.279 |
24.117 |
9.5 |
25.85 |
|
25.8494 |
14.5 |
26.752 |
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25.849 |
1.48806 |
0.45146 |
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1 |
11 |
2.309 |
1.479 |
0.317 |
33.249 |
31.77 |
30.291 |
10.4 |
32.6 |
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32.6014 |
16.8 |
33.648 |
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32.601 |
1.89401 |
0.52307 |
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1 1/4 |
11 |
2.309 |
1.479 |
0.317 |
41.91 |
40431 |
38.952 |
12.7 |
41.12 |
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41.1192 |
19.1 |
42.309 |
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41.119 |
1.89401 |
0.59468 |
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1 1/2 |
11 |
2.309 |
1.4735 |
0.317 |
47.803 |
46.324 |
44.856 |
12.7 |
47.01 |
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47.0122 |
19.1 |
48.202 |
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47.012 |
1.88696 |
0.59468 |
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2 |
11 |
2.309 |
1.479 |
0.317 |
59.614 |
58.135 |
56.656 |
15.9 |
58.62 |
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58.6239 |
23.4 |
60.081 |
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58.624 |
1.89401 |
0.72856 |
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2 1/2 |
11 |
2.309 |
1.479 |
0.317 |
75.184 |
73.705 |
72.226 |
17.5 |
74.09 |
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74.0943 |
26.7 |
75.757 |
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74.094 |
1.89401 |
0.8313 |
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3 |
11 |
2.309 |
1.479 |
0.317 |
87.884 |
86.405 |
84.926 |
20.6 |
86.6 |
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86.6012 |
29.7 |
88.451 |
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86.601 |
1.89401 |
0.92471 |
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