支柱型复合片钻头外圈支柱镶嵌孔位置的确定

DETERMINATION OF POSITION OF THE OUTER RING INSERTAPERTURE ON STRUT-TYPE BIT WITH MIULTIPE-UNIT PLATE

    摘要
  • 摘要: 分析了支柱复合片钻头外圈镶嵌孔位对钻头直径的影响,介绍了用数学方法求解孔位的过程。

     

    Abstract: The paper analysed the effect of position of the outer ring inset-aperture upon bit diameter,presented solving process of position of the aperture by means of mathematical method.

     

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