1、!#$ %&()*+%,&表 ! 轴的基本基本尺寸!基本偏上偏差 !所有标准公差等级#$%和#&#&( #&)大于 至* + , ,- - ! !. . ./ / 0 1 12 3 24(5 2675 895 2:7 245 267 265 29 27 24 5 24 27 29: 9 24(5 2675 2(5 279 2:5 245 267 265 29 27 5 24 279 65 24)5 26%5 2)5 2%9 275 24% 26) 26: 2) 2% 5 24 2%65 6724;5 26%5 2;% 2%5 2:4 269 29 5 2: 2967 6)6) 472:55 2
2、695 2665 29% 275 245 2( 5 27 2)47 :5:5 75 2:65 26(5 26452)5 2%5 24% 2; 5 2% 26575 %5 2:45 26)5 26:5%5 9% 2:75 26;5 26752655 295 2:5 265 5 2( 2649% )5 2:95 2455 26%5)5 655 2:)5 2445 26(52645 2(4 2:9 264 5 2; 26%655 645 2765 2475 26)5645 675 2795 2495 2455267% 2)% 27: 267 5 266 26)675 695 2%45 24)5 24
3、65695 6)5 2%)5 2:65 24:56)5 455 2995 2:75 247526(5 2655 2%5 26% 5 26: 246455 44% 2(75 2:)5 249544% 4%5 2)45 2745 24)54%5 4)5 2;45 27)5 2:5526;5 2665 2%9 26( 5 269 2494)5 :6% 265%5 2%75 2:5:6% :% 26455 2955 2:952465 264% 294 26) 5 26) 24):% 755 26:%5 29)5 2755755 7%5 26%55 2(95 277524:5 26:% 29) 245
4、5 245 2:47%5 %55 269%5 2)75 27)5%55 %952495 267% 2(9 244 5%95 9:59:5 (6524;5 2695 2)5 247 5(65 )55)55 ;552:45 26(5 2)9 249 5;55 65556555 66452:%5 26;% 2;) 24) 56645 64%564%5 67552:;5 2445 2665 2:5 56755 69556955 6)5527:5 2475 2645 2:4 56)55 45554555 447527)5 2495 26:5 2:7 54475 4%554%55 4)552%45 24;
5、5 267% 2:) 54)55 :6%5!注 ! 基本尺寸小于 ! 时 基本偏差 # 和 $ 均不采用 #% 公差带 &( 至 &) 若 +,*-.#偏差=&?4!式中&?是&值数差数值下偏差 !&7至&(!&:A&(所有标准公差等级B C ? D E F G H I J K K* K+ K,5 5 L4 M7 M9 MNO MN7 MN) M4O M49 M:4 M7O M9OMN O M7 M) MN4 MN% MN; M4: M4) M:% M74 M%O M)OMN O M9 MNO MN% MN; M4: M4) M:7 M74 M%4 M9( M;(MN O M( MN4 MN)
6、 M4: M4) M:M7O M%O M97 M;O MN:OM:; M7% M9O M( MNO) MN%OM4 O M) MN% M44 M4) M:%M7N M7( M%7 M9: M(: M;) MN:9 MN)M7N M7) M% M97 M(% M) MNN) MN9O M4N)M4 O M; MN( M49 M:7 M7:M7) M9O M9) M)O M;7 MNN4 MN7) M4OO M4(7M%7 M(O M)N M;( MNN7 MN:9 MN)O M474 M:4%M4 O MNN M4O M:4M7N M%: M99 M)( MNO4 MN44 MN77 MN(4
7、M449 M:OO M7O%M7: M%; M(% MNO4 MN4O MN79 MN(7 M4NO M4(7 M:9O M7)OM: O MN: M4: M:(M%N M(N M;N MN47 MN79 MN() M4N7 M4%) M:% M77% M%)%M%7 M(; MNO7 MN77 MN(4 M4NO M4%7 M:NO M7OO M%4% M9;OM: O MN% M4( M7:M9: M;4 MN44 MN(O M4O4 M47) M:OO M:9% M7(O M94O M)OOM9% MNOO MN:7 MN;O M44) M4)O M:7O M7N% M%:% M(OO
8、M;OOM9) MNO) MN79 M4NO M4%4 M:NO M:)O M79% M9OO M()O MNOOOM7 O MN( M:N M%OM( MN44 MN99 M4:9 M4)7 M:%O M74% M%4O M9(O M)O MNN%OM)O MN:O MN)O M4%) M:NO M:)% M7(O M%(% M(7O M;9O MN4%OM)7 MN7O MN;9 M4)7 M:7O M74% M%4O M97O M)4O MNO%O MN:%OM7 O M4O M:7 M%9M;7 MN%) M4N) M:N% M:)% M7(% M%)O M(NO M;4O MN4OO
9、 MN%OM;) MN(O M47O M:%O M74% M%4% M9%O M(;O MNOOO MN:OO MN(OOM7 O M4N M:( M94MNO) MN;O M49) M:;O M7(% M%;O M(:O M;OO MNN%O MN%OO MN;OOMNN7 M4O) M4;7 M7:% M%:O M99O M)4O MNOOO MN:OO MN9%O M4NOOM% O M4: M7O M9)MN49 M4:4 M:O M7;O M%;% M(7O M;4O MNNOO MN7%O MN)%O M47OOMN:4 M4%4 M:9O M%7O M99O M)4O MNOOO
10、 MN4%O MN9OO M4NOO M49OOO O M49 M77 M()MN%O M4)O M7OO M9OOMN% M:NO M7%O M99OO O M:O M%O M)MN(% M:7O M%OO M(7OMN)% M:)O M%9O M)7OO O M:7 M%9 MNOOM4NO M7:O M94O M;7OM44O M7(O M9)O MNO%OO O M7O M99 MN4OM4%O M%4O M()O MNN%OM49O M%)O M)7O MN:OOO O M7) M() MN7OM:OO M97O M;9O MN7%OM:O M(4O MNO%O MN9OOO O M
11、%) M;4 MN(OM:(O M)4O MN4OO MN)%OM7OO M;4O MN:%O M4OOOO O M9) MNNO MN;%M77O MNOOO MN%OO M4:OOM79O MNNOO MN9%O M4%OOO O M(9 MN:% M47OM%O MN4%O MN;OO M4;OOM%)O MN7OO M4NOO M:4OO偏 差数值 !C!#$ %&()*+%,&基本尺寸!基本下偏差 !所有标准公差等级 #$ #% #& !#& #& !#& #&大于 至 ( ) * *+ + ! !, , ,- - . /0 / 1 2! 3 45%6 7896 4$6 439 4:
12、6 489 486 4$ 49 4: 6 4: 49 4$ 6 6 ;: ;:3 $ 4:%6 4896 4%6 49$ 436 4:6 489 486 4$ 49 6 4 4$ 486 ;84! ;94! ;9$ 86 4:&6 486 4&6 4$ 496 4: 48& 483 4& 4 6 4 4& 48: ;84! ;$4! ;$86 894:=6 486 4= 46 43: 48$ 4$ 6 4$ 486 48 ;84! ;%4! ;%89 8&8& :94366 48$6 4886 4$ 496 4:6 4% 6 4& 48: 4:6 ;:4! ;&4! ;&:9 3636 96
13、4386 48%6 48:64&6 46 4: 4= 6 486 489 4:9 ;:4! ;=4! ;=96 6 43:6 48&6 48366 $ 4396 48=6 48964866 4$6 436 486 6 483 48& 4:& ;:4! ;884! ;88$ &6 43$6 4:66 486&6 866 43&6 4:6 48%648:6 4%: 43$ 48: 6 48$ 4: 439 ;34! ;834! ;83866 8:6 4986 4:96 48&68:6 896 49$6 4:$6 4:66489 4& 493 489 6 48& 4:$ 498 ;34! ;84!
14、;8896 8$6 4:6 4:&6 4:868$6 8&6 4&6 4386 4:368&6 :66 4$6 4396 4:9648%6 4866 46 48 6 4: 436 49% ;94! ;8%4! ;8%:66 : 4%96 43&6 4:$6: :6 4&:6 49:6 4:&6:6 :&6 4=:6 49&6 436648=6 4886 4$ 48% 6 4: 43$ 4 ;94! ;:64! ;:6:&6 38 4866 496 433638 3 48:66 4$66 43$64:86 48: 4$: 48& 6 4:= 43= 4$6 ;94! ;:84! ;:83 966
15、 4836 4$&6 4966966 96 4866 4%$6 49964:36 483 4$& 4:6 6 433 493 $ ;4! ;:34! ;:396 66 48$6 4&96 49&666 $64:$6 489 4%$ 4: 6 6 ;:$6 $36$36 %864:=6 48$6 4&6 4:9 6 6 ;36%86 &66&66 =6643:6 48%6 4&$ 4:$ 6 6 ;39=66 86668666 88:6436 48= 4=& 4:& 6 6 ;9688:6 8:68:6 896643=6 4:6 4886 436 6 6 ;9&8966 8$668$66 8&6
16、64936 4:96 48:6 43: 6 6 ;&8&66 :666:666 :9649&6 4:$6 4836 439 6 6 ;$&:96 :66:66 :&664:6 4:=6 489 43& 6 6 ;%$:&66 38?(&)%#$3 对小于或等于 #& 的 1& 2& 和小于或等于 #% 的 A 至 B*% 所需 ! 值从表内右侧选取 $例如 8&C3D EE 段的 1% !& E% 所以 !0F:7&7$ E8&C3D EE 段的 0$ !9 E% 所以 !0F3738 E9 特殊情况 :DC38F= E代替 F88 E($表 ! 孔的基本偏差?#G:!式中#G是#值数偏差数值
17、! 值!上偏差 !0!#& #& !#% 标准公差等级大于 #% 标准公差等级A 至B*A H 0 # I J K L B B( B) B* #3 #9 # #$ #% #&F9 F9 F$ F8D F89 F8& F:D F:$ F3: F9D F$D D D D D D DF&7! D F8: F8 F8= F:3 F:& F3 F9: FD F&D 8 8M 8 3 9 $F867! 6 F8 F8= F:3 F:& F39 F9: F: F$% F=% 8 8M : 3 $ %F8:7! 6 F8& F:3 F:& F33F96 F6 F$9 F=6 F8368 : 3 3 % =F3
18、= F9 F$6 F% F86& F86F87! 6 F: F:& F3F98 F9% F9 F$3 F%3 F=& F83$ F8&8M : 3 9 & 8:F98 F9& F F$9 F% F& F88& F8$6 F:8&F8%7! 6 F:$ F39 F93F9& F$6 F$& F&6 F=9 F88: F89& F:66 F:%98M 3 9 = 89F9 F%6 F&8 F=% F889 F83$ F8&6 F:9: F3:F:67! 6 F3:F98 F3 F$ F&% F86: F8: F899 F8%: F:$ F366 F96: 3 $ 88 8$F93 F= F% F8
19、6: F8:6 F89$ F8%9 F:86 F:%9 F3$6 F9&6F:37! 6 F3%F8 F%8 F=8 F8:9 F89$ F8%& F:89 F:& F33 F99 F&: 9 % 83 8=F9 F%= F869 F899 F8%: F:86 F:9 F386 F966 F: F$=6F:%7! 6 F93F$3 F=: F8: F8%6 F:6: F:9& F366 F3$ F9%6 F$:6 F&663 9 $ % 8 :3F$ F866 F839 F8=6 F:& F:&6 F396 F98 F3 F%66 F=66F$& F86& F89$ F:86 F: F386
20、F3&6 F9$ F$66 F%&6 F8666F387! 6 F6F% F8: F8$ F:3$ F:&9 F36 F9: F:6 F$%6 F&6 F8863 9 $ = 8% :$F&6 F836 F8&6 F:& F386 F3& F9%6 F% F%96 F=$6 F8:6F&9 F896 F8=$ F:&9 F396 F9: F:6 F$96 F&:6 F866 F836F397! 6 F$F=9 F8& F:8& F38 F3& F9% F&6 F%86 F=:6 F8:66 F869 9 % = :6 :=F=& F8%6 F:96 F36 F9: F: F$6 F%=6 F8
21、666 F8366 F8%66F3%7! 6 F$:F86& F8=6 F:$& F3=6 F9% F=6 F%36 F=66 F886 F866 F8=669 % 88 :8 3:F889 F:6& F:=9 F93 F36 F$6 F&:6 F8666 F8366 F8$6 F:866F967! 6 F$&F8:$ F:3: F336 F9=6 F= F%96 F=:6 F8866 F896 F8&6 F:966 % 83 :3 39F83: F: F3$6 F96 F$6 F&:6 F8666 F8:6 F8$66 F:866 F:$66F99 F%&F86 F:&6 F966 F$66
22、F8 F386 F96 F$6F6 F&F8% F396 F66 F%96F8& F3&6 F$6 F&96F$ F866F:86 F936 F$:6 F=96F:6 F9%6 F$&6 F866F$ F8:6F:6 F:6 F%&6 F886F:$6 F&6 F&96 F8366F%& F896F366 F$96 F=$6 F896F336 F%:6 F866 F8$66F=: F8%6F3%6 F&:6 F8:66 F8&6F966 F=:6 F836 F:666F886 F8=F996 F8666 F866 F:366F9$6 F8866 F8$6 F:66F83 F:96F6 F8:6 F8=66 F:=66F&6 F8966 F:866 F3:66偏 差数值 在大于#%的相应数值上增加一个!值!
