|
规定尺寸的允许偏差,in.(mm) |
不圆度A或不方度B,
in.(mm)
|
上偏差(+) |
下偏差(-) |
1/4(6.35)~≤5/16(7.94)C、D |
E |
E |
E |
>5/16(7.94)~≤7/16(11.11)C、D |
0.006(0.15) |
0.006(0.15) |
0.009(0.23) |
>7/16(11.11)~≤5/8(15.88)C、D |
0.007(0.18) |
0.007(0.18) |
0.010(0.25) |
>5/8(15.88)~≤7/8(22.22) |
0.008(0.20) |
0.008(0.20) |
0.012(0.30) |
>7/8(22.22)~≤1(25.40) |
0.009(0.23) |
0.009(0.23) |
0.013(0.33) |
>1(25.40)~≤11/8(28.58) |
0.010(0.25) |
0.010(0.25) |
0.015(0.38) |
>11/8(28.58)~≤11/4(31.75) |
0.011(0.28) |
0.011(0.28) |
0.016(0.41) |
>11/4(31.75)~≤13/8(34.92) |
0.012(0.30) |
0.012(0.30) |
0.018(0.46) |
>13/8(34.92)~≤11/2(38.10) |
0.014(0.36) |
0.014(0.36) |
0.021(0.53) |
>11/2(38.10)~≤2(50.80) |
1/64(0.40) |
1/64(0.40) |
0.023(0.58) |
>2(50.80)~≤21/2(63.50) |
1/32(0.79) |
0 |
0.023(0.58) |
>21/2(63.50)~≤31/2(88.90) |
3/64(1.19) |
0 |
0.035(0.89) |
>31/2(88.90)~≤41/2(114.30) |
1/16(1.59) |
0 |
0.046(1.17) |
F>41/2(114.30))~≤51/2(139.70) |
5/64(1.98) |
0 |
0.058(1.47) |
>51/2(139.70)~≤61/2(165.10) |
1/8(3.18) |
0 |
0.070(1.78) |
>61/2(165.10)~≤8(203.20) |
5/32(3.97) |
0 |
0.085(2.18) |