标准公差数值及0500轴和孔的基本偏差

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1、表1标准公差数值（GB1800.3-1998）基本尺寸IT01IT0IT1IT2IT3IT4IT5IT6IT7IT8IT9IT10IT11IT12IT13IT14IT15IT16IT17IT18大于至μmmm—30.30.50.51.2234610142540600.100.140.250.400.601.01.4360.40.611.52.545812183048750.120.180.300.480.751.21.86100.40.611.52.546915223658900.150.220.360.580.901.52.210180.50.81.22

2、35811182743701100.180.270.430.701.11.82.718300.611.52.546913213352841300.210.330.520.841.32.13.330500.611.52.54711162539621001600.250.390.621.001.62.53.950800.81.2235813193046741201900.300.460.741.201.93.04.68012011.52.5461015223554871402200.350.540.871.402.23.55.41201801.223.5581

3、2182540631001602500.400.631.001.602.54.06.3180250234.571014202946721151852900.460.721.151.852.94.67.22503152.54681216233252811302103200.520.811.302.13.25.28.131540035791318253657891402303600.570.891.402.33.65.78.9400500468101520274063971552504000.630.971.552.54.06.39.7500630——9111

4、6223044701101752804400.701.101.752.84.47.011.0630800——101318253550801252003205000.801.252.03.25.08.012.58001000——111521294056901402303605600.901.402.33.65.69.014.010001250——1318243446661051652604206601.051.652.64.26.610.516.512501600——1521294054781251953105007801.251.953.15.07.812

5、.519.516002000——1825354865921502303706009201.502.33.76.09.215.023.020002500——223041577711017528044070011001.752.84.47.011.017.528.025003150——263650699313521033054086013502.103.35.48.613.521.033.0表2基本尺寸至500mm轴的基本偏差（GB1800.3-1998）基本尺寸abcdefghjsjkmnprstuvxyz大于至5～6784～78—3-270-140-60-

6、20-14-6-20±IT/2-2-4-600+2+4+6+10-14—+18—+20—+2636-70-30-20-10-4—+1+4+8+12+15+19—+23—+28—+35610-280-150-80-40-25-13-5-5—+6+10+15+19+23—+28—+34—+421014-290-95-50-32-16-6-3-6—+7+12+18+23+28—+33—+40—+501418+39+45—+601824-300-160-110-65-40-20-7-4-8—+2+8+15+22+28+35—+41+47+54+63+732430+

7、41+48+55+64+75+883040-310-170-120-80-50-25-9-5-10—+9+17+26+34+43+48+60+68+80+94+1124050-320-180-130+54+70+81+97+114+1365065-340-190-140-100-60-30-10-7-12—+11+20+32+41+53+66+87+102+122+144+1726580-360-200-150+43+59+75+102+120+146+174+21080100-380-220-170-120-72-36-12-9-15—+3+13+23+

8、37+51+71+91+124+146+178+214+25810