硬质合金拔模

    TUBE DRAWING WITH HARD METAL TOOLS

    • 摘要: 用碳化钨硬质合金拔模拔制的钢管,尺寸公差精度高,表面质量好,而且拔模的使用寿命也较长。

       

      Abstract: The steel pipes, drawn with the tungsten carbide tools, are of high dimensional accuracy and good surface quality. And the drawing dies have longer service life.

       

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