|
2G和2C爱克母螺纹的中径公差 in |
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|
牙 数 n |
公 称 直 径 |
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|
1/4 |
5/16 |
3/8 |
7/16 |
1/2 |
5/8 |
3/4 |
7/8 |
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|
16 |
0.010 500 |
0.010 854 |
0.011 174 |
0.011 469 |
0.011 743 |
0.012 243 |
0.012 696 |
— |
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|
14 |
— |
0.011 372 |
0.011 692 |
0.011 987 |
0.012 261 |
0.012 761 |
0.013 214 |
0.013 630 |
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|
12 |
— |
— |
0.012 334 |
0.012 629 |
0.012 903 |
0.013 403 |
0.013 856 |
0.014 272 |
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|
10 |
— |
— |
0.013 161 |
0.013 456 |
0.013 730 |
0.014 230 |
0.014 683 |
0.015 099 |
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|
|
|
|
|
|
|
|
|
|
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|
8 |
— |
— |
— |
— |
0.014 850 |
0.015 350 |
0.015 803 |
0.016 219 |
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|
6 |
— |
— |
— |
— |
— |
— |
0.017 443 |
0.017 859 |
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|
5 |
— |
— |
— |
— |
— |
— |
— |
0.019 028 |
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|
4 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
3 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
|
|
|
|
|
|
|
|
|
||||||
|
21/2 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
2 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
11/2 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
11/3 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
1 |
— |
— |
— |
— |
— |
— |
— |
— |
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|
牙 数 n |
公 称 直 径 |
|||||||||||||
|
1 |
11/8 |
11/4 |
13/8 |
11/2 |
13/4 |
2 |
21/4 |
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|
16 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
14 |
0.014 018 |
— |
— |
— |
— |
— |
— |
— |
||||||
|
12 |
0.014 660 |
0.015 024 |
0.015 368 |
— |
— |
— |
— |
— |
||||||
|
10 |
0.015 487 |
0.015 851 |
0.016 195 |
0.016 523 |
0.016 835 |
0.017 424 |
— |
— |
||||||
|
|
|
|
|
|
|
|
|
|
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|
8 |
0.016 607 |
0.016 971 |
0.017 315 |
0.017 643 |
0.017 643 |
0.018 544 |
0.019 092 |
— |
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|
6 |
0.018 247 |
0.018 611 |
0.018 955 |
0.019 283 |
0.019 283 |
0.020 184 |
0.020 732 |
0.021 247 |
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|
5 |
0.019 416 |
0.019 780 |
0.020 124 |
0.020 452 |
0.020 452 |
0.021 353 |
0.021 901 |
0.022 416 |
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|
4 |
— |
0.021 364 |
0.021 708 |
0.022 036 |
0.022 348 |
0.022 937 |
0.023 485 |
0.024 000 |
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|
3 |
— |
— |
— |
— |
0.024 669 |
0.025 258 |
0.025 806 |
0.026 321 |
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|
|
|
|
|
|
|
|
|
|
||||||
|
21/2 |
— |
— |
— |
— |
— |
0.026 911 |
0.027 459 |
0.027 974 |
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|
2 |
— |
— |
— |
— |
— |
— |
0.029 698 |
0.030 213 |
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|
11/2 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
11/3 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
1 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
牙 数 n |
公 称 直 径 |
|||||||||||||
|
21/2 |
23/4 |
3 |
31/2 |
4 |
41/2 |
5 |
||||||||
|
16 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
14 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
12 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
10 |
— |
— |
— |
— |
— |
— |
— |
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|
|
|
|
|
|
|
|
|
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|
8 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
6 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
5 |
0.022 903 |
— |
— |
— |
— |
— |
— |
|||||||
|
4 |
0.024 487 |
0.024 950 |
0.025 392 |
0.026 225 |
0.027 000 |
— |
— |
|||||||
|
3 |
0.026 808 |
0.027 271 |
0.027 713 |
0.028 546 |
0.029 321 |
0.030 049 |
0.030 737 |
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|
|
|
|
|
|
|
|
|
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|
21/2 |
0.028 461 |
0.028 924 |
0.029 366 |
0.030 199 |
0.030 974 |
0.031 702 |
0.032 390 |
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|
2 |
0.030 700 |
0.031 163 |
0.031 605 |
0.032 438 |
0.033 213 |
0.033 941 |
0.034 629 |
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|
11/2 |
— |
— |
0.034 887 |
0.035 720 |
0.036 495 |
0.037 223 |
0.037 911 |
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|
11/3 |
— |
— |
0.036 373 |
0.037 206 |
0.037 981 |
0.038 709 |
0.039 397 |
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|
1 |
— |
— |
— |
0.041 225 |
0.042 000 |
0.042 728 |
0.043 416 |
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|
注：2G 和2C 梯形螺纹的中径公差为0.030 |
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