In this project we have carried out a research on the buried arc automatic welding process for large welded gears with hard tooth surface.

对大型硬齿面焊接齿轮的埋弧自动焊工艺进行了探索和实施。

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By adopting the automatic submerged arc welding process, the main plunger which surface has been worn out on the heavy duty hydraulic press has been successfully repaired.

用埋弧自动焊方法成功地修复了表面磨损的大型压机主柱塞。

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