孔公差 轴公差 基孔制配合 基轴制配合 标准公差数值
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依据: GB/T 1800.2-2020 公称尺寸至500mm的孔公差带
试用公差
常用公差带基本尺寸上偏差
优先使用公差带下偏差
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依据: GB/T 1800.2-2020 公称尺寸至500mm的轴公差带
试用公差
常用公差带基本尺寸上偏差
优先使用公差带下偏差
基准孔轴
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间隙配合过渡配合过盈配合
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依据: GB/T 1800.2-2009 公称尺寸至500mm的基孔制优先、常用配合
常用公差带公差
基本尺寸上偏差
优先使用公差带下偏差
基准轴孔
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间隙配合过渡配合过盈配合
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依据: GB/T 1800.2-2009 公称尺寸至500mm的基轴制优先、常用配合
常用公差带公差
基本尺寸上偏差
优先使用公差带下偏差
基准尺寸(mm)公 差 等 级
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μmmm
≤ 30.81.2234610142540600.10.140.250.40.611.4
> 3 ~ 611.52.545812183048750.120.180.30.480.751.21.8
> 6 ~ 1011.52.546915223658900.150.220.360.580.91.52.2
> 10 ~ 181.2235811182743701100.180.270.430.71.11.82.7
> 18 ~ 301.52.546913213352841300.210.330.520.841.32.13.3
> 30 ~ 501.52.54711162539621001600.250.390.6211.62.53.9
> 50 ~ 80235813193046741201900.30.460.741.21.934.6
> 80 ~ 1202.5461015223554871402200.350.540.871.42.23.55.4
> 120 ~ 1803.55812182540631001602500.40.6311.62.546.3
> 180 ~ 2504.571014202946721151852900.460.721.151.852.94.67.2
> 250 ~ 315681216233252811302103200.520.811.32.13.25.28.1
> 315 ~ 400791318253657891402303600.570.891.42.33.65.78.9
> 400 ~ 5008101520274063971552504000.630.971.552.546.39.7
> 500 ~ 63091116223244701101752804400.71.11.752.84.4711
> 630 ~ 800101318253650801252003205000.81.2523.25812.5
> 800 ~ 1000111521284056901402303605600.91.42.33.65.6914
> 1000 ~ 12501318243347661051652604206601.051.652.64.26.610.516.5
> 1250 ~ 16001521293955781251953105007801.251.953.157.812.519.5
> 1600 ~ 20001825354666921502303706009201.52.33.769.21523
> 2000 ~ 2500223041557811017528044070011001.752.84.471117.528
> 2500 ~ 3150263650689613521033054086013502.13.35.48.613.52133
> 3150 ~ 4000165260410660105016502.64.16.610.516.52641
> 4000 ~ 5000200320500800130020003.25813203250
> 5000 ~ 63002504006209801550250046.29.815.5254062
> 6300 ~ 80003104907601200195031004.97.61219.5314976
> 8000 ~ 1000038060094015002400380069.41524386094
依据: GB/T 1800.2-2020 公称尺寸至3150mm的标准公差等级
    GB/T 1800.2-2009 公称尺寸至10000mm的标准公差等级