在此基础上以楔形齿为对象研究了偏心单牙轮钻头井底破岩轨迹的形成，并编制了井底轨迹图仿真软件以模拟牙齿的凿岩轨迹。
The formation of the bottom hole rock-disintegrating track of the mono-cone bit with wedge teeth was studied, and simulation software for the track pattern was developed.
建立了牙轮钻头的球形齿、楔形齿和勺形齿三维空间的几何模型；
Geometry model of roller bit's sphere tooth, wedgy tooth and bucket shape tooth were established;
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