标准公差数值表.doc

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1、基孔制标准公差数值表基本尺寸/mm56789101112131415161718大于至3+40+60+100+140+250+400+600+0.10+0.140+0.250+0.40+0.6036+50+80+120+180+300+480+750+0.120+0.180+0.30+0.480+0.750+1.20+1.80610+60+90+150+220+360+580+900+0.150+0.220+0.360+0.580+0.90+1.50+2.201018+80+110+180+270+430+700+1100+0.180+0.270+0.430+0.70+1.1080+2.701

2、830+90+130+210+330+520+840+1300+0.210+0.330+0.520+0.840+1.30+2.10+3.303050+110+160+250+390+620+1000+1600+0.250+0.390+0.620+10+1.60+2.50+3.905080+130+190+300+460+740+1200+1900+0.30+0.460+0.740+1.20+1.90+30+4.6080120+150+220+350+540+870+1400+2200+0.350+0.540+0.870+1.40+2.20+3.50+5.40120180+180+250+400

3、+630+1000+1600+2500+0.40+0.630+10+1.60+2.50+40+6.30180250+200+290+460+720+1150+1820+2900+0.460+0.720+1.150+1.850+2.90+4.60+7.20250315+230+320+520+810+1300+2100+3200+0.520+0.180+1.30+2.10+3.20+5.20+8.10315400+250+360+570+890+1400+2300+3600+0.570+0.890+1.40+2.30+3.60+5.70+8.90400500+270+400+630+970+15

4、50+2500+4000+0.630+0.970+1.550+2.50+40+6.30+9.70500630+320+440+700+1100+1750+2800+4400+0.70+1.10+1.750+2.80+4.40+70+110630800+360+500+800+1250+2000+3200+5000+0.80+1.250+20+3.20+50+80+12.508001 000+400+560+900+1400+2300+3600+5600+0.90+1.40+2.30+3.60+5.60+90+1401 0001 250+470+660+1050+1650+2600+4200+6

5、600+1.050+1.650+2.60+4.20+6.60+10.50+16.501 2501 600+550+780+1250+1950+3100+5000+7800+1.250+1.950+3.10+50+7.80+12.50+19.501 6002 000+650+920+1500+2300+3700+6000+9200+1.50+2.30+3.70+60+9.20+150+2302 0002 500+780+1100+1750+2800+4400+7000+1 1000+1.750+2.80+4.40+70+110+17.50+2802 5003 150+960+1350+2100+

6、3300+5400+8600+1 3500+2.10+3.30+5.40+8.60+13.50+210330注：1IT14至IT18只用于大于1mm的基本尺寸。2黑框中的数值，即基本尺寸大于5003 150mm，IT1至IT5的偏差值，为试用的。基轴制制标准公差数值表GB/T18042000 1.线形尺寸的极限偏差数值基本尺寸分段0.53366303012012040040010001000200020004000公差等级精密f0.050.050.10.150.20.30.5-中等m0.10.10.20.30.50.81.22粗糙c0.20.30.50.81.2234最粗v-0.511.52.

7、54682.倒圆半径和倒角高度尺寸的极限偏差数值 基本尺寸分段0.533663030公差等级精密f0.20.512中等m粗糙c0.4124最粗v基本尺寸分段10 105050120120400400公差等级精密f/中等m12030105粗糙c130 130 15 10最粗vv 3213020注：长度指构成角度的短边长度或圆锥角的素线长度3.角度尺寸的极限偏差数值 4.(GB/T11841996)直线度和平面度的未注公差值基本尺寸分段10 103030100100300300100010003000公差等级0.02 0.05 0.10.2 0.3 0.40.05 0.10.2 0.4 0.60.80.10.2 0.40.81.2 1.6注：尺寸分段指相应有直线度要求的边的长度或构成平面的较长的一边或圆的直径基本尺寸分段100100300300100010003000公差等级0.2 0.3 0.40.50.40.6 0.810.6 11.5 2注：指构成直角的两边以较长的一边做碁准，短的一边做为被测要素5. (GB/T11841996)垂直度未注公差值 基本尺寸分段100100300300100010003000公差等级0.50.6 0.8 10.61 1.52注：指构成对称要求的两边以较长的一边做碁准，短的一边做为被测要素6.(GB/T11841996)对称度未注公差值