|
3G和3C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 |
0.004 900 |
0.005 065 |
0.005 215 |
0.005 352 |
0.005 480 |
0.005 174 |
0.005 925 |
— |
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|
14 |
— |
0.005 307 |
0.005 456 |
0.005 594 |
0.005 722 |
0.005 956 |
0.006 167 |
0.006 361 |
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|
12 |
— |
— |
0.005 756 |
0.005 993 |
0.006 021 |
0.006 255 |
0.006 466 |
0.006 660 |
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|
10 |
— |
— |
0.006 142 |
0.006 279 |
0.006 407 |
0.006 641 |
0.006 852 |
0.007 046 |
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|
|
|
|
|
|
|
|
|
|
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|
8 |
— |
— |
— |
— |
0.006 930 |
0.007 164 |
0.007 375 |
0.007 569 |
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|
6 |
— |
— |
— |
— |
— |
— |
0.008 140 |
0.008 334 |
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|
5 |
— |
— |
— |
— |
— |
— |
— |
0.008 880 |
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|
4 |
— |
— |
— |
— |
— |
— |
— |
— |
||||||
|
3 |
— |
— |
— |
— |
— |
— |
— |
— |
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|
|
|
|
|
|
|
|
|
|
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|
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 |
0.006 542 |
— |
— |
— |
— |
— |
— |
— |
||||||
|
12 |
0.006 841 |
0.007 011 |
0.007 172 |
— |
— |
— |
— |
— |
||||||
|
10 |
0.007 227 |
0.007 397 |
0.007 557 |
0.007 710 |
0.007 856 |
0.008 131 |
— |
— |
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|
|
|
|
|
|
|
|
|
|
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|
8 |
0.007 750 |
0.007 920 |
0.008 080 |
0.008 233 |
0.008 379 |
0.008 654 |
0.008 910 |
— |
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|
6 |
0.008 515 |
0.008 685 |
0.008 845 |
0.008 998 |
0.009 144 |
0.009 419 |
0.009 675 |
0.009 915 |
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|
5 |
0.009 061 |
0.009 231 |
0.009 391 |
0.009 544 |
0.009 690 |
0.009 965 |
0.010 221 |
0.010 461 |
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|
4 |
— |
0.009 970 |
0.010 130 |
0.010 283 |
0.010 429 |
0.010 704 |
0.010 960 |
0.011 200 |
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|
3 |
— |
— |
— |
— |
0.011 512 |
0.011 787 |
0.012 043 |
0.012 283 |
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|
|
|
|
|
|
|
|
|
|
||||||
|
21/2 |
— |
— |
— |
— |
— |
0.012 558 |
0.012 814 |
0.013 054 |
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|
2 |
— |
— |
— |
— |
— |
— |
0.013 859 |
0.014 099 |
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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 |
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|
16 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
14 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
12 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
10 |
— |
— |
— |
— |
— |
— |
— |
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|
|
|
|
|
|
|
|
|
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|
8 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
6 |
— |
— |
— |
— |
— |
— |
— |
|||||||
|
5 |
0.010 688 |
— |
— |
— |
— |
— |
— |
|||||||
|
4 |
0.011 427 |
0.011 643 |
0.011 850 |
0.012 238 |
0.012 600 |
— |
— |
|||||||
|
3 |
0.012 510 |
0.012 726 |
0.012 933 |
0.013 321 |
0.013 683 |
0.014 023 |
0.014 344 |
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|
|
|
|
|
|
|
|
|
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|
21/2 |
0.013 281 |
0.013 497 |
0.013 704 |
0.014 092 |
0.014 454 |
0.014 794 |
0.015 115 |
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|
2 |
0.014 326 |
0.014 542 |
0.014 749 |
0.015 137 |
0.015 499 |
0.015 830 |
0.016 160 |
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|
11/2 |
— |
— |
0.016 281 |
0.016 669 |
0.017 031 |
0.017 371 |
0.017 692 |
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|
11/3 |
— |
— |
0.016 974 |
0.017 362 |
0.017 724 |
0.018 064 |
0.018 385 |
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|
1 |
— |
— |
— |
0.019 238 |
0.019 600 |
0.019 940 |
0.020 261 |
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|
注：3G 和3C 梯形螺纹的中径公差为0.014 |
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