公差
公差带种类及其选用
美制航空航天螺纹的公差带种类及其选用 |
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---|---|---|---|---|---|
螺纹 |
公差带 |
用 途 |
螺纹 |
公差带 |
用 途 |
内螺纹 |
2B |
民用产品 |
外螺纹 |
2A |
民用产品 |
3B |
航空航天产品、军用产品和民用产品 |
3A |
航空航天产品、军用产品和民用产品 |
导程(螺距)极限偏差值及其中径当量(0.0600~1.8750)
美制航空航天螺纹的导程(螺距)极限偏差值及其中径当量 in |
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---|---|---|---|---|---|---|---|
公称直径-牙数 |
系列代号 |
外 螺 纹 |
内 螺 纹 |
||||
公差带 |
导程极限偏差 |
中径当量 |
公差带 |
导程极限偏差 |
中径当量 |
||
0.0600-80
|
UNJF
|
2A 3A |
0.0005 0.0004 |
0.00090 0.00065 |
2B 3B |
0.0007 0.0005 |
0.00115 0.00085 |
0.0730-64
|
UNJC
|
2A 3A |
0.0006 0.0004 |
0.00100 0.00075 |
2B 3B |
0.0008 0.0005 |
0.00130 0.00095 |
0.0730-72
|
UNJF
|
2A 3A |
0.0005 0.0004 |
0.00095 0.00070 |
2B 3B |
0.0007 0.0005 |
0.00125 0.00095 |
0.0860-56
|
UNJC
|
2A 3A |
0.0006 0.0005 |
0.00105 0.00080 |
2B 3B |
0.0008 0.0006 |
0.00140 0.00105 |
0.0860-64
|
UNJF
|
2A 3A |
0.0006 0.0004 |
0.00100 0.00075 |
2B 3B |
0.0008 0.0006 |
0.00135 0.00100 |
0.0990-48
|
UNJC
|
2A 3A |
0.0007 0.0005 |
0.00115 0.00085 |
2B 3B |
0.0009 0.0006 |
0.00150 0.00110 |
0.0990-56
|
UNJF
|
2A 3A |
0.0006 0.0005 |
0.00110 0.00080 |
2B 3B |
0.0008 0.0006 |
0.00140 0.00105 |
0.1120-40
|
UNJC
|
2A 3A |
0.0007 0.0005 |
0.00125 0.00095 |
2B 3B |
0.0010 0.0007 |
0.00165 0.00120 |
0.1120-48
|
UNJF
|
2A 3A |
0.0007 0.0005 |
0.00120 0.00090 |
2B 3B |
0.0009 0.0007 |
0.00155 0.00115 |
0.1250-40
|
UNJC
|
2A 3A |
0.0008 0.0005 |
0.00130 0.00095 |
2B 3B |
0.0010 0.0007 |
0.00165 0.00125 |
0.1250-44
|
UNJF
|
2A 3A |
0.0007 0.0005 |
0.00125 0.00095 |
2B 3B |
0.0009 0.0007 |
0.00160 0.00120 |
0.1380-32
|
UNJC
|
2A 3A |
0.0008 0.0006 |
0.00140 0.00105 |
2B 3B |
0.0011 0.0008 |
0.00185 0.00135 |
0.1380-40
|
UNJF
|
2A 3A |
0.0008 0.0006 |
0.00130 0.00100 |
2B 3B |
0.0010 0.0007 |
0.00170 0.00125 |
0.1640-32
|
UNJC
|
2A 3A |
0.0008 0.0006 |
0.00145 0.00110 |
2B 3B |
0.0011 0.0008 |
0.00190 0.00140 |
0.1640-36
|
UNJF
|
2A 3A |
0.0008 0.0006 |
0.00140 0.00105 |
2B 3B |
0.0010 0.0008 |
0.00180 0.00135 |
0.1900-24
|
UNJC
|
2A 3A |
0.0010 0.0007 |
0.00165 0.00125 |
2B 3B |
0.0012 0.0009 |
0.00215 0.00160 |
0.1900-32
|
UNJF
|
2A 3A |
0.0009 0.0007 |
0.00150 0.00115 |
2B 3B |
0.0011 0.0008 |
0.00195 0.00145 |
0.2160-24
|
UNJC
|
2A 3A |
0.0010 0.0008 |
0.00170 0.00130 |
2B 3B |
0.0013 0.0010 |
0.00220 0.00165 |
0.2160-28
|
UNJC
|
2A 3A |
0.0009 0.0007 |
0.00160 0.00120 |
2B 3B |
0.0012 0.0009 |
0.00210 0.00155 |
0.2160-32
|
UNJEF
|
2A 3A |
0.0009 0.0007 |
0.00155 0.00120 |
2B 3B |
0.0012 0.0009 |
0.00205 0.00155 |
0.2500-20
|
UNJC
|
2A 3A |
0.0011 0.0008 |
0.00185 0.00140 |
2B 3B |
0.0014 0.0010 |
0.00245 0.00180 |
0.2500-28
|
UNJF
|
2A 3A |
0.0010 0.0007 |
0.00165 0.00125 |
2B 3B |
0.0012 0.0009 |
0.00215 0.00160 |
0.2500-32
|
UNJEF
|
2A 3A |
0.0009 0.0007 |
0.00160 0.00120 |
2B 3B |
0.0012 0.0009 |
0.00210 0.00155 |
0.3125-18
|
UNJC
|
2A 3A |
0.0012 0.0009 |
0.00200 0.00150 |
2B 3B |
0.0015 0.0011 |
0.00265 0.00195 |
0.3125-24
|
UNJF
|
2A 3A |
0.0011 0.0008 |
0.00185 0.00135 |
2B 3B |
0.0014 0.0010 |
0.00240 0.00180 |
0.3125-32
|
UNJEF
|
2A 3A |
0.0009 0.0007 |
0.00160 0.00120 |
2B 3B |
0.0012 0.0009 |
0.00210 0.00155 |
0.3750-16
|
UNJC
|
2A 3A |
0.0013 0.0010 |
0.00220 0.00165 |
2B 3B |
0.0016 0.0012 |
0.00285 0.00215 |
0.3750-24
|
UNJF
|
2A 3A |
0.0011 0.0008 |
0.00190 0.00145 |
2B 3B |
0.0014 0.0011 |
0.00245 0.00185 |
0.3750-32
|
UNJEF
|
2A 3A |
0.0010 0.0007 |
0.00170 0.00125 |
2B 3B |
0.0013 0.0010 |
0.00220 0.00165 |
0.4375-14
|
UNJC
|
2A 3A |
0.0014 0.0010 |
0.00235 0.00175 |
2B 3B |
0.0018 0.0013 |
0.00305 0.00230 |
0.4375-16
|
UNJ
|
2A 3A |
0.0013 0.0010 |
0.00230 0.00170 |
2B 3B |
0.0017 0.0013 |
0.00295 0.00225 |
0.4375-20
|
UNJF
|
2A 3A |
0.0012 0.0009 |
0.00210 0.00155 |
2B 3B |
0.0016 0.0012 |
0.00270 0.00205 |
0.4375-28
|
UNJEF
|
2A 3A |
0.0010 0.0008 |
0.00180 0.00135 |
2B 3B |
0.0013 0.0010 |
0.00230 0.00175 |
0.5000-13
|
UNJC
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00180 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00240 |
0.5000-16
|
UNJ
|
2A 3A |
0.0014 0.0010 |
0.00235 0.00175 |
2B 3B |
0.0018 0.0013 |
0.00305 0.00230 |
0.5000-20
|
UNJF
|
2A 3A |
0.0012 0.0009 |
0.00215 0.00160 |
2B 3B |
0.0016 0.0012 |
0.00280 0.00210 |
0.5000-28
|
UNJEF
|
2A 3A |
0.0011 0.0008 |
0.00185 0.00140 |
2B 3B |
0.0014 0.0010 |
0.00240 0.00180 |
0.5625-12
|
UNJC
|
2A 3A |
0.0015 0.0011 |
0.00260 0.00195 |
2B 3B |
0.0020 0.0015 |
0.00340 0.00255 |
0.5625-16
|
UNJ
|
2A 3A |
0.0014 0.0010 |
0.00235 0.00175 |
2B 3B |
0.0018 0.0013 |
0.00305 0.00230 |
0.5625-18
|
UNJF
|
2A 3A |
0.0013 0.0010 |
0.00225 0.00170 |
2B 3B |
0.0017 0.0013 |
0.00295 0.00220 |
0.5625-24
|
UNJEF
|
2A 3A |
0.0011 0.0008 |
0.00195 0.00145 |
2B 3B |
0.0015 0.0011 |
0.00255 0.00190 |
0.6250-11
|
UNJC
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
0.6250-12
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00270 0.00205 |
2B 3B |
0.0020 0.0015 |
0.00355 0.00265 |
0.6250-16
|
UNJ
|
2A 3A |
0.0014 0.0010 |
0.00240 0.00180 |
2B 3B |
0.0018 0.0013 |
0.00310 0.00230 |
0.6250-18
|
UNJF
|
2A 3A |
0.0014 0.0010 |
0.00235 0.00175 |
2B 3B |
0.0017 0.0013 |
0.00300 0.00225 |
0.6250-24
|
UNJEF
|
2A 3A |
0.0012 0.0009 |
0.00200 0.00150 |
2B 3B |
0.0015 0.0011 |
0.00260 0.00195 |
0.6875-12
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00270 0.00205 |
2B 3B |
0.0020 0.0015 |
0.00355 0.00265 |
0.6875-16
|
UNJ
|
2A 3A |
0.0014 0.0010 |
0.00240 0.00180 |
2B 3B |
0.0018 0.0013 |
0.00310 0.00230 |
0.6875-24
|
UNJEF
|
2A 3A |
0.0012 0.0009 |
0.00200 0.00150 |
2B 3B |
0.0015 0.0011 |
0.00260 0.00195 |
0.7500-10
|
UNJC
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00385 0.00285 |
0.7500-12
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
0.7500-16
|
UNJF
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00190 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00245 |
0.7500-20
|
UNJEF
|
2A 3A |
0.0013 0.0010 |
0.00220 0.00165 |
2B 3B |
0.0016 0.0012 |
0.00285 0.00215 |
0.8125-12
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
0.8125-16
|
UNJ
|
2A 3A |
0.0014 0.0010 |
0.00245 0.00180 |
2B 3B |
0.0018 0.0014 |
0.00315 0.00235 |
0.8125-20
|
UNJEF
|
2A 3A |
0.0013 0.0010 |
0.00220 0.00165 |
2B 3B |
0.0016 0.0012 |
0.00285 0.00215 |
0.8750-9
|
UNJC
|
2A 3A |
0.0018 0.0014 |
0.00315 0.00235 |
2B 3B |
0.0024 0.0018 |
0.00410 0.00305 |
0.8750-12
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
0.8750-14
|
UNJF
|
2A 3A |
0.0016 0.0012 |
0.00270 0.00205 |
2B 3B |
0.0020 0.0015 |
0.00350 0.00265 |
0.8750-16
|
UNJ
|
2A 3A |
0.0014 0.0010 |
0.00245 0.00180 |
2B 3B |
0.0018 0.0014 |
0.00315 0.00235 |
0.8750-20
|
UNJEF
|
2A 3A |
0.0013 0.0010 |
0.00220 0.00165 |
2B 3B |
0.0016 0.0012 |
0.00285 0.00215 |
0.9375-12
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00285 0.00210 |
2B 3B |
0.0021 0.0016 |
0.00370 0.00275 |
0.9375-16
|
UNJ
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00245 |
0.9375-20
|
UNJEF
|
2A 3A |
0.0013 0.0010 |
0.00225 0.00170 |
2B 3B |
0.0017 0.0013 |
0.00295 0.00220 |
1.0000-8
|
UNJC
|
2A 3A |
0.0020 0.0015 |
0.00340 0.00255 |
2B 3B |
0.0025 0.0019 |
0.00440 0.00330 |
1.0000-12
|
UNJF
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
1.0000-16
|
UNJ
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00245 |
1.0000-20
|
UNJEF
|
2A 3A |
0.0013 0.0010 |
0.00225 0.00170 |
2B 3B |
0.0017 0.0013 |
0.00295 0.00220 |
1.0625-8
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.00340 0.00255 |
2B 3B |
0.0026 0.0019 |
0.00445 0.00335 |
1.0625-12
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00285 0.00210 |
2B 3B |
0.0021 0.0016 |
0.00370 0.00275 |
1.0625-16
|
UNJ
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00245 |
1.0625-18
|
UNJEF
|
2A 3A |
0.0014 0.0010 |
0.00235 0.00180 |
2B 3B |
0.0018 0.0013 |
0.00310 0.00230 |
1.1250-7
|
UNJC
|
2A 3A |
0.0021 0.0016 |
0.00360 0.00270 |
2B 3B |
0.0027 0.0020 |
0.00470 0.00355 |
1.1250-8
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.00345 0.00260 |
2B 3B |
0.0026 0.0019 |
0.00450 0.00335 |
1.1250-12
|
UNJF
|
2A 3A |
0.0017 0.0013 |
0.00300 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00390 0.00295 |
1.1250-16
|
UNJ
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00245 |
1.1250-18
|
UNJEF
|
2A 3A |
0.0014 0.0010 |
0.00235 0.00180 |
2B 3B |
0.0018 0.0013 |
0.00310 0.00230 |
1.1875-8
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.00350 0.00260 |
2B 3B |
0.0026 0.0020 |
0.00455 0.00340 |
1.1875-12
|
UNJ
|
2A 3A |
0.0017 0.0012 |
0.00290 0.00215 |
2B 3B |
0.0022 0.0016 |
0.00375 0.00280 |
1.1875-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00255 0.00190 |
2B 3B |
0.0019 0.0014 |
0.00330 0.00250 |
1.1875-18
|
UNJEF
|
2A 3A |
0.0014 0.0010 |
0.00245 0.00180 |
2B 3B |
0.0018 0.0014 |
0.00315 0.00235 |
1.2500-7
|
UNJC
|
2A 3A |
0.0021 0.0016 |
0.00370 0.00275 |
2B 3B |
0.0028 0.0021 |
0.00480 0.00360 |
1.2500-8
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.00305 0.00265 |
2B 3B |
0.0027 0.0020 |
0.00460 0.00345 |
1.2500-12
|
UNJF
|
2A 3A |
0.0018 0.0013 |
0.00310 0.00230 |
2B 3B |
0.0023 0.0017 |
0.00400 0.00300 |
1.2500-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00255 0.00190 |
2B 3B |
0.0019 0.0014 |
0.00330 0.00250 |
1.2500-18
|
UNJEF
|
2A 3A |
0.0014 0.0010 |
0.00245 0.00180 |
2B 3B |
0.0018 0.0014 |
0.00315 0.00235 |
1.3125-8
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.00355 0.00265 |
2B 3B |
0.0027 0.0020 |
0.00460 0.00345 |
1.3125-12
|
UNJ
|
2A 3A |
0.0017 0.0012 |
0.00290 0.00215 |
2B 3B |
0.0022 0.0016 |
0.00375 0.00280 |
1.3125-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00255 0.00190 |
2B 3B |
0.0019 0.0014 |
0.00330 0.00250 |
1.3125-18
|
UNJEF
|
2A 3A |
0.0014 0.0010 |
0.00245 0.00180 |
2B 3B |
0.0018 0.0014 |
0.00315 0.00235 |
1.3750-6
|
UNJC
|
2A 3A |
0.0023 0.0017 |
0.00400 0.00300 |
2B 3B |
0.0030 0.0023 |
0.00520 0.00390 |
1.3750-8
|
UNJ
|
2A 3A |
0.0021 0.0016 |
0.00360 0.00270 |
2B 3B |
0.0027 0.0020 |
0.00465 0.00350 |
1.3750-12
|
UNJF
|
2A 3A |
0.0018 0.0014 |
0.00315 0.00235 |
2B 3B |
0.0024 0.0018 |
0.00410 0.00305 |
1.3750-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00255 0.00190 |
2B 3B |
0.0019 0.0014 |
0.00330 0.00250 |
1.3750-18
|
UNJEF
|
2A 3A |
0.0014 0.0010 |
0.00245 0.00180 |
2B 3B |
0.0018 0.0014 |
0.00315 0.00235 |
1.4375-8
|
UNJ
|
2A 3A |
0.0021 0.0016 |
0.00360 0.00270 |
2B 3B |
0.0027 0.0020 |
0.00470 0.00355 |
1.4375-12
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
1.4375-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00260 0.00195 |
2B 3B |
0.0020 0.0015 |
0.00340 0.00255 |
1.4375-18
|
UNJEF
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00240 |
1.5000-6
|
UNJC
|
2A 3A |
0.0023 0.0018 |
0.00405 0.00305 |
2B 3B |
0.0030 0.0023 |
0.00525 0.00395 |
1.5000-8
|
UNJ
|
2A 3A |
0.0021 0.0016 |
0.00365 0.00275 |
2B 3B |
0.0027 0.0020 |
0.00475 0.00355 |
1.5000-12
|
UNJF
|
2A 3A |
0.0018 0.0014 |
0.00320 0.00240 |
2B 3B |
0.0024 0.0018 |
0.00415 0.00315 |
1.5000-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00260 0.00195 |
2B 3B |
0.0020 0.0015 |
0.00340 0.00255 |
1.5000-18
|
UNJEF
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00240 |
1.5625-8
|
UNJ
|
2A 3A |
0.0021 0.0016 |
0.00370 0.00275 |
2B 3B |
0.0028 0.0021 |
0.00480 0.00360 |
1.5625-12
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
1.5625-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00260 0.00195 |
2B 3B |
0.0020 0.0015 |
0.00340 0.00255 |
1.5625-18
|
UNJEF
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00240 |
1.6250-8
|
UNJ
|
2A 3A |
0.0021 0.0016 |
0.00370 0.00280 |
2B 3B |
0.0028 0.0021 |
0.00485 0.00360 |
1.6250-12
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
1.6250-16
|
UNJ
|
2A 3A |
0.0015 0.0011 |
0.00260 0.00195 |
2B 3B |
0.0020 0.0015 |
0.00340 0.00255 |
1.6250-18
|
UNJEF
|
2A 3A |
0.0014 0.0011 |
0.00250 0.00185 |
2B 3B |
0.0019 0.0014 |
0.00325 0.00240 |
1.6875-8
|
UNJ
|
2A 3A |
0.0022 0.0016 |
0.00375 0.00280 |
2B 3B |
0.0028 0.0021 |
0.00485 0.00365 |
1.6875-12
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00300 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00390 0.00290 |
1.6875-16
|
UNJ
|
2A 3A |
0.0015 0.0012 |
0.00265 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00345 0.00260 |
1.6875-18
|
UNJEF
|
2A 3A |
0.0015 0.0011 |
0.00255 0.00190 |
2B 3B |
0.0019 0.0014 |
0.00330 0.00245 |
1.7500-5
|
UNJC
|
2A 3A |
0.0026 0.0019 |
0.00445 0.00335 |
2B 3B |
0.0033 0.0025 |
0.00580 0.00435 |
1.7500-8
|
UNJ
|
2A 3A |
0.0022 0.0016 |
0.00375 0.00285 |
2B 3B |
0.0028 0.0021 |
0.00490 0.00370 |
1.7500-12
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00300 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00390 0.00290 |
1.7500-16
|
UNJ
|
2A 3A |
0.0015 0.0012 |
0.00265 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00345 0.00260 |
1.8125-8
|
UNJ
|
2A 3A |
0.0022 0.0016 |
0.00380 0.00285 |
2B 3B |
0.0029 0.0021 |
0.00495 0.00370 |
1.8125-12
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00300 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00390 0.00290 |
1.8125-16
|
UNJ
|
2A 3A |
0.0015 0.0012 |
0.00265 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00345 0.00260 |
1.8750-8
|
UNJ
|
2A 3A |
0.0022 0.0016 |
0.00385 0.00285 |
2B 3B |
0.0029 0.0022 |
0.00500 0.00375 |
1.8750-12
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00300 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00390 0.00290 |
1.8750-16
|
UNJ
|
2A 3A |
0.0015 0.0012 |
0.00265 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00345 0.00260 |
导程(螺距)极限偏差值及其中径当量(1.9375~6.0000)
美制航空航天螺纹的导程(螺距)极限偏差值及其中径当量 in |
|||||||
---|---|---|---|---|---|---|---|
公称直径-牙数 |
系列代号 |
外 螺 纹 |
内 螺 纹 |
||||
公差带 |
导程极限偏差 |
中径当量 |
公差带 |
导程极限偏差 |
中径当量 |
||
1.9375-8
|
UNJ
|
2A 3A |
0.0022 0.0017 |
0.00385 0.00290 |
2B 3B |
0.0029 0.0022 |
0.00500 0.00375 |
1.9375-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
1.9375-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00270 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00350 0.00260 |
2.0000-4.5
|
UNJC
|
2A 3A |
0.0027 0.0020 |
0.00475 0.00355 |
2B 3B |
0.0036 0.0027 |
0.00620 0.00465 |
2.0000-8
|
UNJ
|
2A 3A |
0.0023 0.0017 |
0.00390 0.00290 |
2B 3B |
0.0029 0.0022 |
0.00505 0.00380 |
2.0000-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
2.0000-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00270 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00350 0.00260 |
2.1250-8
|
UNJ
|
2A 3A |
0.0023 0.0017 |
0.00395 0.00295 |
2B 3B |
0.0029 0.0022 |
0.00510 0.00385 |
2.1250-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
2.1250-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00270 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00350 0.00260 |
2.2500-4.5
|
UNJC
|
2A 3A |
0.0028 0.0021 |
0.00485 0.00365 |
2B 3B |
0.0036 0.0027 |
0.00630 0.00475 |
2.2500-8
|
UNJ
|
2A 3A |
0.0023 0.0017 |
0.00400 0.00300 |
2B 3B |
0.0030 0.0023 |
0.00520 0.00390 |
2.2500-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
2.2500-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00270 0.00200 |
2B 3B |
0.0020 0.0015 |
0.00350 0.00260 |
2.3750-8
|
UNJ
|
2A 3A |
0.0023 0.0017 |
0.00405 0.00300 |
2B 3B |
0.0030 0.0023 |
0.00525 0.00395 |
2.3750-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00310 0.00230 |
2B 3B |
0.0023 0.0017 |
0.00405 0.00300 |
2.3750-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
2.5000-4
|
UNJC
|
2A 3A |
0.0030 0.0023 |
0.00520 0.00390 |
2B 3B |
0.0039 0.0029 |
0.00675 0.00505 |
2.5000-8
|
UNJ
|
2A 3A |
0.0024 0.0018 |
0.00410 0.00305 |
2B 3B |
0.0031 0.0023 |
0.00530 0.00400 |
2.5000-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00310 0.00230 |
2B 3B |
0.0023 0.0017 |
0.00405 0.00300 |
2.5000-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
2.6250-8
|
UNJ
|
2A 3A |
0.0024 0.0018 |
0.00410 0.00310 |
2B 3B |
0.0031 0.0023 |
0.00535 0.00400 |
2.6250-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00310 0.00230 |
2B 3B |
0.0023 0.0017 |
0.00405 0.00300 |
2.6250-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
2.7500-4
|
UNJC
|
2A 3A |
0.0030 0.0023 |
0.00525 0.00395 |
2B 3B |
0.0040 0.0030 |
0.00685 0.00515 |
2.7500-8
|
UNJ
|
2A 3A |
0.0024 0.0018 |
0.00415 0.00315 |
2B 3B |
0.0031 0.0023 |
0.00540 0.00405 |
2.7500-12
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00310 0.00230 |
2B 3B |
0.0023 0.0017 |
0.00405 0.00300 |
2.7500-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00275 0.00205 |
2B 3B |
0.0021 0.0016 |
0.00360 0.00270 |
2.8750-8
|
UNJ
|
2A 3A |
0.0024 0.0018 |
0.00420 0.00315 |
2B 3B |
0.0032 0.0024 |
0.00550 0.00410 |
2.8750-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00315 0.00235 |
2B 3B |
0.0024 0.0018 |
0.00410 0.00310 |
2.8750-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00280 0.00210 |
2B 3B |
0.0021 0.0016 |
0.00365 0.00275 |
3.0000-4
|
UNJC
|
2A 3A |
0.0031 0.0023 |
0.00535 0.00400 |
2B 3B |
0.0040 0.0030 |
0.00695 0.00520 |
3.0000-8
|
UNJ
|
2A 3A |
0.0025 0.0018 |
0.00425 0.00320 |
2B 3B |
0.0032 0.0024 |
0.00555 0.00415 |
3.0000-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00315 0.00235 |
2B 3B |
0.0024 0.0018 |
0.00410 0.00310 |
3.0000-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00280 0.00210 |
2B 3B |
0.0021 0.0016 |
0.00365 0.00275 |
3.1250-8
|
UNJ
|
2A 3A |
0.0025 0.0018 |
0.00430 0.00320 |
2B 3B |
0.0032 0.0024 |
0.00560 0.00420 |
3.1250-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00315 0.00235 |
2B 3B |
0.0024 0.0018 |
0.00410 0.00310 |
3.1250-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00280 0.00210 |
2B 3B |
0.0021 0.0016 |
0.00365 0.00275 |
3.2500-4
|
UNJC
|
2A 3A |
0.0031 0.0024 |
0.00545 0.00410 |
2B 3B |
0.0041 0.0031 |
0.00705 0.00530 |
3.2500-8
|
UNJ
|
2A 3A |
0.0025 0.0019 |
0.00435 0.00325 |
2B 3B |
0.0033 0.0025 |
0.00565 0.00425 |
3.2500-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00315 0.00235 |
2B 3B |
0.0024 0.0018 |
0.00410 0.00310 |
3.2500-16
|
UNJ
|
2A 3A |
0.0016 0.0012 |
0.00280 0.00210 |
2B 3B |
0.0021 0.0016 |
0.00365 0.00275 |
3.3750-8
|
UNJ
|
2A 3A |
0.0025 0.0019 |
0.00440 0.00330 |
2B 3B |
0.0033 0.0025 |
0.00570 0.00425 |
3.3750-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00320 0.00240 |
2B 3B |
0.0024 0.0018 |
0.00420 0.00315 |
3.3750-16
|
UNJ
|
2A 3A |
0.0017 0.0012 |
0.00290 0.00215 |
2B 3B |
0.0022 0.0016 |
0.00375 0.00280 |
3.5000-4
|
UNJC
|
2A 3A |
0.0032 0.0024 |
0.00550 0.00415 |
2B 3B |
0.0041 0.0031 |
0.00715 0.00540 |
3.5000-8
|
UNJ
|
2A 3A |
0.0025 0.0019 |
0.00440 0.00330 |
2B 3B |
0.0033 0.0025 |
0.00575 0.00430 |
3.5000-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00320 0.00240 |
2B 3B |
0.0024 0.0018 |
0.00420 0.00315 |
3.5000-16
|
UNJ
|
2A 3A |
0.0017 0.0012 |
0.00290 0.00215 |
2B 3B |
0.0022 0.0016 |
0.00375 0.00280 |
3.6250-8
|
UNJ
|
2A 3A |
0.0026 0.0019 |
0.00445 0.00335 |
2B 3B |
0.0033 0.0025 |
0.00580 0.00435 |
3.6250-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00320 0.00240 |
2B 3B |
0.0024 0.0018 |
0.00420 0.00315 |
3.6250-16
|
UNJ
|
2A 3A |
0.0017 0.0012 |
0.00290 0.00215 |
2B 3B |
0.0022 0.0016 |
0.00375 0.00280 |
3.7500-4
|
UNJC
|
2A 3A |
0.0032 0.0024 |
0.00560 0.00420 |
2B 3B |
0.0042 0.0031 |
0.00725 0.00545 |
3.7500-8
|
UNJ
|
2A 3A |
0.0026 0.0019 |
0.00450 0.00335 |
2B 3B |
0.0034 0.0025 |
0.00585 0.00440 |
3.7500-12
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00320 0.00240 |
2B 3B |
0.0024 0.0018 |
0.00420 0.00315 |
3.7500-16
|
UNJ
|
2A 3A |
0.0017 0.0012 |
0.00290 0.00215 |
2B 3B |
0.0022 0.0016 |
0.00375 0.00280 |
3.8750-8
|
UNJ
|
2A 3A |
0.0026 0.0020 |
0.00455 0.00340 |
2B 3B |
0.0034 0.0025 |
0.00590 0.00440 |
3.8750-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00325 0.00245 |
2B 3B |
0.0025 0.0018 |
0.00425 0.00320 |
3.8750-16
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
4.0000-4
|
UNJC
|
2A 3A |
0.0033 0.0025 |
0.00565 0.00425 |
2B 3B |
0.0042 0.0032 |
0.00735 0.00555 |
4.0000-8
|
UNJ
|
2A 3A |
0.0026 0.0020 |
0.00455 0.00340 |
2B 3B |
0.0034 0.0026 |
0.00595 0.00445 |
4.0000-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00325 0.00245 |
2B 3B |
0.0025 0.0018 |
0.00425 0.00320 |
4.0000-16
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
4.1250-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00325 0.00245 |
2B 3B |
0.0025 0.0018 |
0.00425 0.00320 |
4.1250-16
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
4.2500-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00325 0.00245 |
2B 3B |
0.0025 0.0018 |
0.00425 0.00320 |
4.2500-16
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
4.3750-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00325 0.00245 |
2B 3B |
0.0025 0.0018 |
0.00425 0.00320 |
4.3750-16
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.00380 0.00285 |
4.5000-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00325 0.00245 |
2B 3B |
0.0025 0.0018 |
0.00425 0.00320 |
4.5000-16
|
UNJ
|
2A 3A |
0.0017 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0022 0.0016 |
0.0038 0.00285 |
4.6250-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00325 0.00245 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
4.6250-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00295 0.00220 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
4.7500-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00335 0.00250 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
4.7500-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
4.8750-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00335 0.00250 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
4.8750-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
5.0000-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00335 0.00250 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
5.0000-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
5.1250-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00335 0.00250 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
5.1250-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
5.2500-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00335 0.00250 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
5.2500-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
5.3750-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00335 0.00250 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
5.3750-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
5.5000-12
|
UNJ
|
2A 3A |
0.0019 0.0014 |
0.00335 0.00250 |
2B 3B |
0.0025 0.0019 |
0.00435 0.00330 |
5.5000-16
|
UNJ
|
2A 3A |
0.0018 0.0013 |
0.00305 0.00225 |
2B 3B |
0.0023 0.0017 |
0.00395 0.00295 |
5.6250-12
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.00345 0.00260 |
2B 3B |
0.0026 0.0019 |
0.00450 0.00335 |
5.6250-16
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00310 0.00235 |
2B 3B |
0.0023 0.0018 |
0.00405 0.00305 |
5.7500-12
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.03045 0.00260 |
2B 3B |
0.0026 0.0019 |
0.00450 0.00335 |
5.7500-16
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00310 0.00235 |
2B 3B |
0.0023 0.0018 |
0.00405 0.00305 |
5.8750-12
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.03045 0.00260 |
2B 3B |
0.0026 0.0019 |
0.00450 0.00335 |
5.8750-16
|
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00310 0.00235 |
2B 3B |
0.0023 0.0018 |
0.00405 0.00305 |
6.0000-12
|
UNJ
|
2A 3A |
0.0020 0.0015 |
0.03045 0.00260 |
2B 3B |
0.0026 0.0019 |
0.00450 0.00335 |
6.0000-16 |
UNJ
|
2A 3A |
0.0018 0.0014 |
0.00310 0.00235 |
2B 3B |
0.0023 0.0018 |
0.00405 0.00305 |
牙侧角极限偏差值
美制航空航天螺纹的牙侧角极限偏差值 |
|||||
---|---|---|---|---|---|
牙数 |
牙侧角极限偏差 |
牙数 |
牙侧角极限偏差 |
||
(°) |
(°) |
(°) |
(°) |
||
80 |
2 |
05 |
16 |
1 |
00 |
72 |
2 |
00 |
14 |
0 |
55 |
64 |
1 |
50 |
13 |
0 |
55 |
56 |
1 |
45 |
12 |
0 |
50 |
48 |
1 |
40 |
111/2 |
0 |
50 |
44 |
1 |
35 |
11 |
0 |
50 |
40 |
1 |
35 |
10 |
0 |
50 |
36 |
1 |
30 |
9 |
0 |
45 |
32 |
1 |
30 |
8 |
0 |
45 |
28 |
1 |
20 |
7 |
0 |
45 |
27 |
1 |
20 |
6 |
0 |
40 |
24 |
1 |
15 |
5 |
0 |
40 |
20 |
1 |
10 |
41/2 |
0 |
40 |
18 |
1 |
05 |
4 |
0 |
40 |