Using laser cladding technique to harden the working surface of new hot die or repair the used one shows a good prospect in industrial application.
用表面激光熔覆技术强化模具表面或旧模具修复，具有广阔的应用前景。
By comparison with manual arc welding, it is found that the thermit welding is a efficiency, energy saving and high quality process for repair welding of steel ingot die.
根据对比铝热焊与手弧焊修复工艺，阐明了用铝热焊修复钢锭模是一种高效、节能、焊接质量好的新方法。
A technological method to repair the die of vessel head successfully is introduced, and the failing experience is concluded for reference.
介绍一种成功修复封头压模的工艺方法，并总结了失败经验，以供参考。
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