• In order to improve bit life span this paper puts forward a thought of using the techniques and formulas of making diamond enhanced tungsten carbide composite button to make impregnated diamond bit.

    为了提高钻头寿命提出了将制作金刚石增强型硬质合金复合齿工艺配方应用制作孕镶金刚石钻头的设计思路

    youdao

  • In order to improve bit life span this paper puts forward a thought of using the techniques and formulas of making diamond enhanced tungsten carbide composite button to make impregnated diamond bit.

    为了提高钻头寿命提出了将制作金刚石增强型硬质合金复合齿工艺配方应用制作孕镶金刚石钻头的设计思路

    youdao

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