|
塑件尺寸公差(GB/T 14486—1993) |
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|
公差 等级 |
公差 种类 |
基 本 尺 寸 |
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|
大于 0到 3 |
3 6 |
6 10 |
10 14 |
14 18 |
18 24 |
24 30 |
30 40 |
40 50 |
50 65 |
65 80 |
80 100 |
100 120 |
120 140 |
140 160 |
160 180 |
180 200 |
200 225 |
225 250 |
250 280 |
280 315 |
315 355 |
355 400 |
400 450 |
450 500 |
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|
标注公差的尺寸公差值 |
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|
MT1 |
A |
0.07 |
0.08 |
0.09 |
0.10 |
0.11 |
0.12 |
0.14 |
0.16 |
0.18 |
0.20 |
0.23 |
0.26 |
0.29 |
0.32 |
0.36 |
0.40 |
0.44 |
0.48 |
0.52 |
0.56 |
0.60 |
0.64 |
0.70 |
0.78 |
0.86 |
|
B |
0.14 |
0.16 |
0.18 |
0.20 |
0.21 |
0.22 |
0.24 |
0.26 |
0.28 |
0.30 |
0.33 |
0.36 |
0.39 |
0.42 |
0.46 |
0.50 |
0.54 |
0.58 |
0.62 |
0.66 |
0.70 |
0.74 |
0.80 |
0.88 |
0.96 |
|
|
MT2 |
A |
0.10 |
0.12 |
0.14 |
0.16 |
0.18 |
0.20 |
0.22 |
0.24 |
0.26 |
0.30 |
0.34 |
0.38 |
0.42 |
0.46 |
0.50 |
0.54 |
0.60 |
0.66 |
0.72 |
0.76 |
0.84 |
0.92 |
1.00 |
1.10 |
1.20 |
|
B |
0.20 |
0.22 |
0.24 |
0.26 |
0.28 |
0.30 |
0.32 |
0.34 |
0.36 |
0.40 |
0.44 |
0.48 |
0.52 |
0.56 |
0.60 |
0.64 |
0.70 |
0.76 |
0.82 |
0.86 |
0.94 |
1.02 |
1.10 |
1.20 |
1.30 |
|
|
MT3 |
A |
0.12 |
0.14 |
0.16 |
0.18 |
0.20 |
0.24 |
0.28 |
0.32 |
0.36 |
0.40 |
0.46 |
0.52 |
0.58 |
0.64 |
0.70 |
0.78 |
0.86 |
0.92 |
1.00 |
1.10 |
1.20 |
1.30 |
1.44 |
1.60 |
1.74 |
|
B |
0.32 |
0.34 |
0.36 |
0.38 |
0.40 |
0.44 |
0.48 |
0.52 |
0.56 |
0.60 |
0.66 |
0.72 |
0.78 |
0.84 |
0.90 |
0.98 |
1.06 |
1.12 |
1.20 |
1.30 |
1.40 |
1.50 |
1.64 |
1.80 |
1.94 |
|
|
MT4 |
A |
0.16 |
0.18 |
0.20 |
0.24 |
0.28 |
0.32 |
0.36 |
0.42 |
0.48 |
0.56 |
0.64 |
0.72 |
0.82 |
0.92 |
1.02 |
1.12 |
1.24 |
1.36 |
1.48 |
1.62 |
1.80 |
2.00 |
2.20 |
2.40 |
2.60 |
|
B |
0.36 |
0.38 |
0.40 |
0.44 |
0.48 |
0.52 |
0.56 |
0.62 |
0.68 |
0.76 |
0.84 |
0.92 |
1.02 |
1.12 |
1.22 |
1.32 |
1.44 |
1.56 |
1.68 |
1.82 |
2.00 |
2.20 |
2.40 |
2.60 |
2.80 |
|
|
MT5 |
A |
0.20 |
0.24 |
0.28 |
0.32 |
0.38 |
0.44 |
0.50 |
0.56 |
0.64 |
0.74 |
0.86 |
1.00 |
1.14 |
1.28 |
1.44 |
1.60 |
1.76 |
1.92 |
2.10 |
2.30 |
2.50 |
2.80 |
3.10 |
3.50 |
3.90 |
|
B |
0.40 |
0.44 |
0.48 |
0.52 |
0.58 |
0.64 |
0.70 |
0.76 |
0.84 |
0.94 |
1.06 |
1.20 |
1.34 |
1.48 |
1.64 |
1.80 |
1.96 |
2.12 |
2.30 |
2.50 |
2.70 |
3.00 |
3.30 |
3.70 |
4.10 |
|
|
MT6 |
A |
0.26 |
0.32 |
0.38 |
0.46 |
0.54 |
0.62 |
0.70 |
0.80 |
0.94 |
1.10 |
1.28 |
1.48 |
1.72 |
2.00 |
2.20 |
2.40 |
2.60 |
2.90 |
3.20 |
3.50 |
3.80 |
4.30 |
4.70 |
5.30 |
6.00 |
|
B |
0.46 |
0.52 |
0.58 |
0.68 |
0.74 |
0.82 |
0.90 |
1.00 |
1.14 |
1.30 |
1.48 |
1.68 |
1.92 |
2.20 |
2.40 |
2.60 |
2.80 |
3.10 |
3.40 |
3.70 |
4.00 |
4.50 |
4.90 |
5.50 |
6.20 |
|
|
MT7 |
A |
0.38 |
0.48 |
0.58 |
0.68 |
0.78 |
0.88 |
1.00 |
1.14 |
1.32 |
1.54 |
1.80 |
2.10 |
2.40 |
2.70 |
3.00 |
3.30 |
3.70 |
4.10 |
4.50 |
4.90 |
5.40 |
6.00 |
6.70 |
7.40 |
8.20 |
|
B |
0.58 |
0.68 |
0.78 |
0.88 |
0.98 |
1.08 |
1.20 |
1.34 |
1.52 |
1.74 |
2.00 |
2.30 |
2.60 |
3.10 |
3.20 |
3.50 |
3.90 |
4.30 |
4.70 |
5.10 |
5.60 |
6.20 |
6.90 |
7.60 |
8.40 |
|
|
未注公差的尺寸允许偏差 |
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|
MT5 |
A |
γ0.10 |
γ0.12 |
γ0.14 |
γ0.16 |
γ0.19 |
γ0.22 |
γ0.25 |
γ0.28 |
γ0.32 |
γ0.37 |
γ0.43 |
γ0.50 |
γ0.57 |
γ0.64 |
γ0.72 |
γ0.80 |
γ0.88 |
γ0.96 |
γ1.05 |
γ1.15 |
γ1.25 |
γ1.40 |
γ1.55 |
γ1.75 |
γ1.95 |
|
B |
γ0.20 |
γ0.22 |
γ0.24 |
γ0.26 |
γ0.29 |
γ0.32 |
γ0.35 |
γ0.38 |
γ0.42 |
γ0.47 |
γ0.53 |
γ0.60 |
γ0.67 |
γ0.74 |
γ0.82 |
γ0.90 |
γ0.98 |
γ1.06 |
γ1.15 |
γ1.25 |
γ1.35 |
γ1.50 |
γ1.65 |
γ1.85 |
γ2.05 |
|
|
MT6 |
A |
γ0.13 |
γ0.16 |
γ0.19 |
γ0.23 |
γ0.27 |
γ0.31 |
γ0.35 |
γ0.40 |
γ0.47 |
γ0.55 |
γ0.64 |
γ0.74 |
γ0.86 |
γ1.00 |
γ1.10 |
γ1.20 |
γ1.30 |
γ1.45 |
γ1.60 |
γ1.75 |
γ1.90 |
γ2.15 |
γ2.35 |
γ2.65 |
γ3.00 |
|
B |
γ0.23 |
γ0.26 |
γ0.29 |
γ0.33 |
γ0.37 |
γ0.41 |
γ0.45 |
γ0.50 |
γ0.57 |
γ0.65 |
γ0.74 |
γ0.84 |
γ0.96 |
γ1.10 |
γ1.20 |
γ1.30 |
γ1.40 |
γ1.55 |
γ1.70 |
γ1.85 |
γ2.00 |
γ2.25 |
γ2.45 |
γ2.75 |
γ3.10 |
|
|
MT7 |
A |
γ0.19 |
γ0.24 |
γ0.29 |
γ0.34 |
γ0.39 |
γ0.44 |
γ0.50 |
γ0.57 |
γ0.66 |
γ0.77 |
γ0.90 |
γ1.05 |
γ1.20 |
γ1.35 |
γ1.50 |
γ1.65 |
γ1.85 |
γ2.05 |
γ2.25 |
γ2.45 |
γ2.70 |
γ3.00 |
γ3.35 |
γ3.70 |
γ4.10 |
|
B |
γ0.29 |
γ0.34 |
γ0.39 |
γ0.44 |
γ0.49 |
γ0.54 |
γ0.60 |
γ0.67 |
γ0.76 |
γ0.87 |
γ1.00 |
γ1.15 |
γ1.30 |
γ1.45 |
γ1.60 |
γ1.75 |
γ1.95 |
γ2.15 |
γ2.35 |
γ2.55 |
γ2.80 |
γ3.10 |
γ3.45 |
γ3.80 |
γ4.20 |
|
