side dumping

The optimal design method for the tooth'sfore-angle and lateral-rotation angle is put forward based onthe analysis of the crown profile design and the radial andcircumferential arrangement of the bit tooth.

在国内外对冠部形状、切削齿径向布置和周向布置设计已有研究成果基础上 ,创立了以实验结果确定齿前角和侧转角的优化设计方法 ,并以VisualC ++和VisualLisp语言编制软件实现PDC钻头的设计计算和绘图。