铸件尺寸公差 Casting Dimension Tolerance | ||||||||||||||||||||
mm | ||||||||||||||||||||
毛坯铸件基本尺寸mm Basic Dimension | 铸件尺寸公差等级CT1) Casting Dimension Tolerance grade CT | |||||||||||||||||||
大于 | 至 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 132) | 142) | 152) | 162)3) | |||
- | 10 | 0.09 | 0.13 | 0.18 | 0.26 | 0.36 | 0.52 | 0.74 | 1 | 1.5 | 2 | 2.8 | 4.2 | - | - | - | - | |||
10 | 16 | 0.1 | 0.14 | 0.2 | 0.28 | 0.38 | 0.54 | 0.78 | 1.1 | 1.6 | 2.2 | 3.0 | 4.4 | - | - | - | - | |||
16 | 25 | 0.11 | 0.15 | 0.22 | 0.30 | 0.42 | 0.58 | 0.82 | 1.2 | 1.7 | 2.4 | 3.2 | 4.6 | 6 | 8 | 10 | 12 | |||
25 | 40 | 0.12 | 0.17 | 0.24 | 0.32 | 0.46 | 0.64 | 0.9 | 1.3 | 1.8 | 2.6 | 3.6 | 5 | 7 | 9 | 11 | 14 | |||
40 | 63 | 0.13 | 0.18 | 0.26 | 0.36 | 0.50 | 0.70 | 1 | 1.4 | 2 | 2.8 | 4 | 5.6 | 8 | 10 | 12 | 16 | |||
63 | 100 | 0.14 | 0.2 | 0.28 | 0.40 | 0.56 | 0.78 | 1.1 | 1.6 | 2.2 | 3.2 | 4.4 | 6 | 9 | 11 | 14 | 18 | |||
100 | 160 | 0.15 | 0.22 | 0.3 | 0.44 | 0.62 | 0.88 | 1.2 | 1.8 | 2.5 | 3.6 | 5 | 7 | 10 | 12 | 16 | 20 | |||
160 | 250 | - | 0.24 | 0.34 | 0.50 | 0.72 | 1 | 1.4 | 2 | 2.8 | 4 | 5.6 | 8 | 11 | 14 | 18 | 22 | |||
250 | 400 | - | - | 0.40 | 0.56 | 0.78. | 1.1 | 1.6 | 2.2 | 3.2 | 4.4 | 6.2 | 9 | 12 | 16 | 20 | 25 | |||
400 | 630 | - | - | - | 0.64 | 0.9 | 1.2 | 1.8 | 2.6 | 3.6 | 5 | 7 | 10 | 14 | 18 | 22 | 28 | |||
630 | 1000 | - | - | - | 0.72 | 1 | 1.4 | 2 | 2.8 | 4 | 6 | 8 | 11 | 16 | 20 | 25 | 32 | |||
1000 | 1600 | - | - | - | 0.80 | 1.1 | 1.6 | 2.2 | 3.2 | 4.6 | 7 | 9 | 13 | 18 | 23 | 29 | 37 | |||
1600 | 2500 | - | - | - | - | - | - | 2.6 | 3.8 | 5.4 | 8 | 10 | 15 | 21 | 26 | 33 | 42 | |||
2500 | 4000 | - | - | - | - | - | - | - | 4.4 | 6.2 | 9 | 12 | 17 | 24 | 30 | 38 | 49 | |||
4000 | 6300 | - | - | - | - | - | - | - | - | 7 | 10 | 14 | 20 | 28 | 35 | 44 | 56 | |||
6300 | 10000 | - | - | - | - | - | - | - | - | - | 11 | 16 | 23 | 32 | 40 | 50 | 64 | |||
1)在等级CT1~CT15中对壁厚采取粗一级公差(见第7章)。 2)对于不超过16mm的尺寸,不采用CT1~CT16的一般公差,对于这些尺寸应标注公差。 3)等级CT16仅适用于一般公差规定为CT15的壁厚。 | ||||||||||||||||||||
以上摘自GB/T6414-1999(Above form is came from GB/T6414-1999 ) 我们公司的产品尺寸公差符合CT1~CT9级。 (The tolerance of products produced by Full Company can meet level CT1~CT9) |