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阀门密封面等离子弧堆焊技术要求 堆焊基面尺寸_阀门标准
阀门密封面等离子弧堆焊技术要求 堆焊基面尺寸
|
密封面设计宽度 B |
b | h | αa | R |
| ≤10 | B+(3～5) | 1.5～2 | 30°～45° | 1.5～2 |
| ＞10 | B+(3～6) | 2～3 | ||
| a α也可为90°。 | ||||
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