• The material selection, working out the process and repairing method in reform of the precision forging machine to substitute with China-making spares are analyzed and improving plan proposed.

    关键备件国产化从材质选择工艺的制订修理进行了分析,提出了改进方案。

    youdao

  • The technology of precision roll forging by closed die groove of machine driven plough share are researched systematically.

    系统研究了机引犁铧闭式精密技术

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  • The enhancement of precision has been achieved in parts of forging or in parts of forging before lathing by developing the plastic machine of the ferrule. As a...

    通过研制整实现锻件整径后车精度提高,从而降低工件的留量,提高材料利用率。

    youdao

  • The enhancement of precision has been achieved in parts of forging or in parts of forging before lathing by developing the plastic machine of the ferrule. As a...

    通过研制整实现锻件整径后车精度提高,从而降低工件的留量,提高材料利用率。

    youdao

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