A set of calculating formulae for vertical milling teeth of drillingbit cones is derived herein from cutting rows with Angle cutters.
本文从尖角铣刀割圆出发,拟出了一套钻头牙轮直铣齿的计算公式。
2
The single tooth cutting course of a PDC drillingbit is studied. The research is of great significance for improving PDC drillingbit design.
为了改进PD C钻头设计,在全尺寸试验的基础上,对PD C钻头单齿切削过程进行了试验研究。
3
The method could let us to select the drillingbit rapidly and make the deviation between the porosity pressure calculation and the real measure less than 10%.