电站阀门 一般要求、铸钢件浇冒口切除后残留高度值
| 切削部位 |
浇冒口宽度或直径 |
||||
| ≤120 |
120~200 |
201~350 |
>350 |
||
| 非加工面 |
3 |
4 |
5 |
6 |
|
| 加工面 |
热切除 |
8 |
12 |
20 |
30 |
| 冷切除 |
4 |
6 |
10 |
15 |
|
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