各類常用未注公差全解

1、毛坯禱件基本尺寸山阿蒔件尺寸公差普級CT1至1234567891&11121鉀1護1歹1滬310瓦聞0il3MHQ.26X3fi(K52X741L 5：22.84*211116OilCX140,20,28D.3AX 540.7SL1Lfl2.2304,416250.111X15H220.300.420.50iS21-21-72.43.21飛6H10122540m 12DH750. 320L 46a 64血9L31-82-6X6579111440期0. 13Oil0i2B圖a. 50IL 701L4224581Q1216Q31000, 14CK20X2創(chuàng)0.56X78LIL62,23.24M69

2、1114LH1000. 15Di22Ql30CM40.62L82.53.65710121620160250Ci 240l340.500.7211U2羞&45.6E1114182225Q4Q0a 400*560.7811L62*2缶21M乩2g121620254006300. 640,9L22,6S.057U14182228G301Q0Q0.7211.422,846811162025321 0001 5000.80LIL62.2X24比791318羽293716002 5002-6xars.ila1015212633422 5004 000一4,4，2012172430384U4 000BSOO

3、7L014202S3544566 30010 000Li1623324050C41)觸陽CT1-CT15中對坐厚濺用粗一級注見第了壹）.2對F不趙過16 mm的尺寸*不采用CT13CT16的Htt發(fā)it.sl于這些尺寸應標注個別埜星審3）等級DT此僅適用于一般仝簽現(xiàn)定為CT15的塑厚*ISO 2768-1線性尺寸和角度未注公差的相應等級要求：l - 1111 r -v“ f !1 卡b 丁 - r t 4- 1*評t r t s r ”- st s j r . btl - - rasaas ar應1蛛件Ahl-的祕鍛偏蔦做信mm公生等級基本尺寸井段山53A370-303012012OdOG40

4、01 0001 OOft-2 QQO2 QQI 000精密f士 Q. 050(.050.1士 0 150.20.30.5中尊m(X 1士61士 Q.2士山連士厲L2士 2粗糙*0.2士山50.81.2234士 65士 11.5士囂5十4士 8N 2杯甫ifflLS門It用J限ifi上 程ffi公差軒級基本K寸分段0. S383030(X2士 65士 1士 2中綁m粗槌5+ 0 4士1士 2士 4最粗#注*倒岡半徑和倒角高度的仰買姿見GH/T 6403.4,農(nóng)3角度尺寸的極限偏墾數(shù)侑公差等級長度分段曲皿1010 5050 120120 400400特密fr士2“10士號中等m粗糙C13(F-18

5、(/燈1&用粗V士3士2士 1士320衣2要求的鑄件機械加工余杲（RMA）mm最大尺寸耍求的機械加工余雖等級大于至滬CDEFGHJK400.1Oil0.2as0.4 50.50711.440630.1620.30.30.40.50.711.42631000.20.30.40.50.711. 422.841001600.3S40.50.81.11.52.28461602500.30.50.711.422.845.582504000.40.70.91.31.42.53.557104006300.50.81.11.52.23469126301 0000.60.91.21.82.53.55710141

6、 0001 6000.711.422.845.5S11161 6002 5000.81.11.62.23.24.56914182 5004 0000.91.31.82.53.5571014204 0006 30011.422.845.581116226 30010 0001.11.52.234.5691217241）用終機械加T版鑄件的用大輪際尺寸.2）等級A和B僅用丁詩j柑昇譏例如在采購方與伶造廠已就夾持面和基準而或茶浪目標商定模樣裝備.傳造 T藝和機械加TT藝的成批生產(chǎn)惜況下衣B1毛壞鑄件典型的機械加1余晴等級方法耍求的機械加丄余圮等級鑄件材料鋼灰鑄帙球墨鑄帙可鍛鑄浹銅合金鋅介金輕金屈介金

7、探基介金鉆總介金砂空鑄造 手工造型GKFHFHFHFHFHFHGKGK砂型鑄造機器 造型和売型FHEGEYEGEGEGEYFHFH金加型（吃力鑄造和低壓鑄造）DFDFDFDFDFDF壓力鑄造BDBDBD熔模鑄造EEEEEEE注：木標準還適用木衣未列出的山鑄適廠和采購方之間協(xié)議商定的丁藝和材料。農(nóng)Al人批吊主產(chǎn)的忑坯鑄件的公羞等級方法公差等級CT件材料1灰伶怏球墨鑄飲可鍛鑄恢洞合金梓合金輕金加介金說基合金餡基合金砂型鑄造 手工造型1114111411 1411 1410 1310 1391211 141114砂型鑄造機器 造空和殼空81281281281281081079812812金加空詩造（

8、確力鑄造或低斥鑄造）8108108108107979壓力鑄適684647熔模鑄造水玻璃73707358587073硅溶膠46464646464646注1衣中所列出的公左等級是指在大批雖生產(chǎn)卜、JEL影響倚件尺寸精度的生產(chǎn)囚索已得到充分改進時倚件通常 能夠達到的公差等級2木標那還適用J本衣未列出的山鑄適廠和采購方之間協(xié)議商圧的丁藝和材料衣A2小批橫生產(chǎn)或件生產(chǎn)的E坯鑄件的公羞等級方法造型材料公差等級CT鑄件材料鋼灰鑄次球墨鑄鐵可鍛鑄佚堀合金輕金屬合金銀基合金鉆基合金砂型鑄造 手工造型粘土砂13 1513 1513 1513 151X1511 13131513 15化學粘結劑砂12 1411 13

9、11 1311 1310-12101212 1412 14注1表中所列出的公差等級是小批雖的或單件生產(chǎn)的砂型鑄件通常能夠達到的公差等級.2本表中的數(shù)值一般適用于大于25mm的臺本尺寸對于較小的尺寸，通常能經(jīng)濟實用地保證下列較細的公 差：a）基本尺寸10mm：三級：b）10 mm V基本尺 d16 mnu粘二級）c）16 mmV基本尺寸25 mm:精一級3木標準還適用于本衣未列出的由鑄造廠和采購方之間協(xié)議商定的T藝和材料.& 1輸件盍公控效值二*公癌公篩僦kS123466791O1 1121 3)41516AO45681O121416182024AO. 44568丄0丄N141618202434

10、5681O121416182024A4JL023456S1O1214161820241O4O2345681O12141S182024A4O 1OO2345681O1214161820241004002345681O1214161820 Tabfe 3 Flatnssfi tolerance grades 平面度Table 2 Straightness tolerance grades 直線度All diiYiensicns in rnillimetresRaw caplin9 nominal dimtn si on of tho featureCasting geomstrlcal toler

11、ance grade (GCTG)Overup to and including2J467a協(xié)0,080,120.180.270,40,60,9W300,12Qr100h270,40,60.91S30100o.ia0,270.40h60.91.42,01003000.270.40.60.91,42,03.030010000.40.60.9V42.03,010003000-亠-2.03,04.61Q0Q0-上-*NO4壽Raw ca&tlng nominal dimension of tha featureCasting geometrical talorance grade (GCTG)Ove

12、rUp to and trcludlng334673100J20,180,270,40,60,91,41030OJB0,270/10360,91=42,0301000.27口40.60.92.03,01003000.40,50,9I2.03.04,630010000,60,9I2,03.04.66.810003000-3.04,66.B1030001Q00Q-4.86.81015All dimensions in millimetresTabfe 4 Tolerance grades on roundnesst parallelism, perpendicularity and symmetr

13、y圓度、垂直度、對稱度、平行度d aj -Jr b r in k*- dimension of thefeatureAll dimensions in millimetresCasting geotnetrieal tolerance grado (GCTG)OverUp to and Includinga346781COJB0h270,40.60,91.+2,010300h270,4o.e0.31.42.03,0301000.40,60.91.42,03,04.61003000,60,91,42,03,04.66.830010000.91,42.03.04.66,81010003000-4.

14、66.S1015JDQO JOQOO-101523Table 5 Tolerances on coaxiality同軸度 All dimensions in millimetresRaw casting nominal dimension of the featureCasting gee metrical tolerance grade (GCTG)OverUp to and Including2346&78100,270.40,60.91.4zo310300.4a,B0.91.42.03,04,6301000.60l91.42.03.04.S6,31003000.91,42r03.04.6

15、6.B1030010002.D3,04.6s.a1Q1510003000-101523300010000-10152335ISO2768-2形狀位置的未注公差的相應等級要求基本丘度龜也Wio100301001003003001 0001 0003 000H5 020.05(k 10.20. A0.4K0. D5bl(k 2DUD. 6D. 8L0.10i4&81. ZL6去窘垂瓦度未注公是值mm公差籌級皐本長度范閑CLOO3061 0001 0003 000H0,3QU0, &K(L4O-fj0.81L(he11. 52表3 對稱度未注公差值mm基本長度范陽Cl 001003 &03001 0

16、001 0003 000H0. 5K0嘰81L0.611-52農(nóng)4 関跳功的未注公軍倩公差等縱圓跳動住年值H0. 1KQ. 2Lh 5大型砂鑄件尺寸公差DIN 1686- 1L?n gdem? 1/ L? nge nma? e / le ngth線性長度公差GTB-18-30-50-80-120-180-250-315-400-500-630-800-1000-1250GTB204,57,588,59101111121314151618GTB194,54,755,566,577,588,59,5101112GTB182,933,23,43,74,14,44,755,566,577,5GTB17

17、1,81,922,12,32,52,72,93,13,33,53,84,14,4GTB161,11,21,31,41,51,61,81,922,12,32,42,62,8GTB150,850,9511,11,21,31,41,51,61,71,81,922,2Tykkelse/ Dicke nabma?e / thick ness厚度公差-6-10-10-30-50-80-120-180GTB20-7,511121314GTB19-4,57,588,5910fGTB18-2,54,54,755,56,5-GTB171,52,52,933,23,43,7-GTB161,51,81,81,922,

18、12,3r-fGTB150,9511,11,21,31,4-鍛件尺寸公差要求（Forged ） DIN 1684 - 1L?ngdem? 1/ L? ngenma? e /length und Dickenma? e/Wanddicken/ Hippen/thickness fur formgebunden線性長度厚度公差Dick-10Dick&L?ng -18-30-50-80-120-180-250-315-400-500-630-800-1000GtA17/50.91.11.31.51.92.22.52.93.23.74.14.45.05.5GTA170.750.91.11.31.51.

19、82.02.32.62.93.23.54.04.5GTA16/50.60.70.81.01.21.31-61.82.02.22.42.73.13.6GTA160.450.550.650.80.951.11.31.51.61.82.02.22.52.8L?ngdem?l/ L? ngenma? e / length und Dickenma?e/Wanddicken/ Hippen/thicknessfur n icht formgebu nden非線性（非規(guī)律性）長度和厚度公差IDick-10Dick&L?ng -18-30-50-80-120-180-250-315-400-500-630-

20、800-1000GtA17/51.21.41.61.92.22.52.83.23.54.04.44.75.35.8GTA171.11.21.41.61.8.12.32.62.93.23.53.84.34.8GTA16/50.91.01.11.31.51.61.8Z12.32.52.73.03.43.9GTA160.750.850.951.11.31.41.51.81.92.12.32.52.83.1Bearbeitu ngszugabe n BZ 規(guī)則形狀平面度公差1BIS-50-120-250-400-500-800-1000fBearbeitungszugaben BZ1.51.51.52

21、22.53Ein geschrll nkze Bearbeit un gszugaben BZ (slehe Absoh nitt 5)非規(guī)則形狀平面度公差BIS-50-120-250-400Bearbeit un gszugabe n BZ0.80.80.81焊接件公差要求ISO 13920L?ngdem? l/ L? ngenma? e / length線性長度公差r 1-120-400-1000-2000-4000-8000-12000-16000-2000020000-A 1 1 2 3 4 5 6 7 8 9IB 2士 2 3 4 6 8 10 12 14 16HHC 3 4 6 8

22、 11 14 18 21 24 27D士 4士 7士 9士 12士 16士 21士 27士 32士 36士 40pla nhed/ Geradheit und Ebe nheit / regularity非線性和規(guī)律性弧線公差-120-400-1000-2000-4000-8000-12000-16000-2000020000-E0,511,52345678F11,534,56810121416G1,535,59111620222525H2,55914182632364040Vi nkelm? 1/ Win kelma?/ an gle角度公差r 1mm/m-400-10001000-400-

23、10001000-A士 20士 15士 10士 6士 4,5士 3pHB士 45士 30士 20士 13士 9士 61C士 1 士 45 士 30 士 18士 13士 9HHD士 1 30士 1 15士 1 士 26士 22士 18GB/ T 15055 94 沖壓件未注公差表1未注公差沖裁尺寸的極限偏差mm基本尺寸材料厚度公差等級大于至大于至fmcv0.531土 0.05：土 0.10土 0.15土 0.20 13土 0.15土 0.20土 0.30土 0.40匚61土 0.10土 0.15土 0.20土 0.3014土 0.20土 0.30土 0.40土 0.554土 0.30：土 0.4

24、0土 0.60土 0.80 6301土 0.15：土 0.20土 0.30土 0.40 丁14土 0.30土 0.40土 0.55土 0.754土 0.45土 0.60土 0.80土 1.20301201土 0.20土 0.30土 0.40土 0.5514土 0.40 1土 0.55土 0.75土 1.0514土 0.60土 0.80土 1.10土 1.50 n1土 0.25土 0.35土 0.50土 0.7014土 0.50土 0.70土 1.00土 1.401204004 0.75 1.05 1.45 2.1040010001 0.35 0.50 0.70 1.0014 0.70 1.00

25、 1.40 2.004 1.05 1.45 2.10 2.90100020001 0.45 0.65 0.90 1.3014 0.90 1.30 1.80 2.504 1.40 2.00 2.80 3.90200040001 0.70 1.00 1.4 0 2.0014 1.40 2.00 2.80 3.904 1.80 2.60 3.60 5.00注：對于0.5及0.5以下的尺寸應標公差表5 未注公差沖裁角度的極限偏差等 級短 邊 長 度，mmw 10 10 25 25 6363160160400 400 100010002500f1 000 400 300 20 0 15 0 100 06

26、m1 301 00 0 450 300 20 0 15 0 10cv2 001 301 000 450 300 20 0 15表6未注公差彎曲角度的極限偏差公差等級短邊長度，mmw 10 10 25 25 6363160 160f1 15 1 00 0 45 0 30 0 15m 2 00 1 30 1 00 ) 45 0 30 cv 3 00 2 00 1 30 1 15 1 00 表2 未注公差成形尺寸的極限偏差mm基本尺寸材料厚度公 差 等級大于至大于至fmcv0.531 0.15 0.20 0.35 0.5014 0.30 0.45 0.60 1.00361 0.20:土 0.30 0

27、.50 0.7014 0.40 0.60 1.00 1.604 0.55 0.90 1.40 2.206301 0.25 0.40 0.60 1.0014 0.50 0.80 1.30 2.004 0.80 1.30 2.00 3.20301201 0.30 0.50 0.80 1.3014 0.60 1.00 1.60 2.504 1.00 1.60 2.50 4.001 0.45 0.70 1.10 1.8014 0.90 1.40 2.20 3.501204004 1.30 2.00 3.30 5.0040010001 0.55 0.90 1.40 2.2014 1.10 1.70 2.

28、80 4.504 1.70 2.80 4.50 7.001P 0.80 1.30 2.00 3.301 4P 0.90 1.30 1.80 2.50100020004 P 2.00 3.20 1: 5.00 8.00注：對于0.5及0.5以下的尺寸應標公差。表3未注公差沖裁圓角半徑的極限偏差mm基本尺寸材料厚度公 差 等級大于至大于至fmcv0.531 0.15 0.2014 0.30 0.40364 0.40 0.604 0.60 1.006304 0.60 0.804 1.00 1.40301204 1.00 1.204 2.00 2.401204004 1.20 1.504 2.40 3

29、.004004 2.00 2.404 3.00 3.50表4未注公差成形圓角半徑的極限偏差mm基本尺寸 36 6 10 10 18 18 30 30+1.00+1.50+2.50+3.00+4.00+5.00 極限偏差-0.30-0.50-0.80-1.00-1.50-2.00 1表1標準公差數(shù)值基本尺寸mmIT1TT2IT31T4IT5TT6IT711T8大于至pm30.81.2234610143611.52.5458】21861011.52.5469152210181.2235811182718301.52.54691321333050L52.54711162539508023581319

30、3046801202.54610152235541201803.55812182540631802504.5710142029467225031568121623325281315400791318253657894005008101520274063975006309111622324470110630800101318253650801258001006111521284056901401 00012561313243347661051651 25016061521293955781251951 6002 00G1825354665921502302 0002 50022304155781

31、101752802 5003 1502636506896135210330注1阜本尺寸大于500 rnm的1T1至IT5的標準公差數(shù) 2基本尺寸小于或等于1mm時無TT14至1T18。樂準公差等級TT9 |mo|mim2|rri3|m4m5|rri6|rri7|iTi8mm2540600.10.140.250.40.611.43048750.120.180.30.480. 751.21.83658900.150.220.360.530.91.52.24370110o.ia0.270.430.7LIi.e2.752841300.210.330.520.841.32.13.3621001600.2

32、S0.390.6211.62.S3.9741201900.30.460. 741.21.934.6871402200.350.540.871.42.23.5541001602500.40.6311.62.546.31151852900.460.721.151.852.94.67.21302103200.520.811.32.13.25.2&11402303600.570.891.42.33.65.78.91552504000.630.971.552.546.39.71752804400.71.11.752.84.47112003205000.81.2523.25812.52303605600.

33、91.42.33.65.69142604206601. 051.652.64.26.610.516.53105007801.251.953.157.812.519.53706009201.52.33.769.2152344070011001.752.84.471117. S285408601 3502.13.35.4&613.52133【值為試行的農(nóng)6幾H的極限偏屋荃*尺0mmH1284667a101112ISU161617IS犬fAHg5+0.80+L20+20+30+40-M0+100+140+250+4004-00-Hll0+0.1404-0.260740+0.6035+i0+1.60+

34、260+404-60X0+1204-180+300+480+750Hl 120+0.18078004-0.7604-1.20+ 1.S0610+i0+1.60+260+404-60-M0+160+220+3S0+6S04-900+! 150+0.M04-0.3600+0.90+1.60+2 2010+1.20+20+30+60+0+110+180-4-270+430+700-4-1100-HX180+0.2704-0.430-HIT0+1.104-1.804-2.701880+1.60+2 60+40+600+130+210+S30-M20+8404-1300-Hl 2104-0. M04-0.620L0+L30+2104-X303060+1.60+N60+40+70+110+160+2604-3900-4-1000+1600+4X260+0.