这种研究结果可以直接应用于钻头滑动轴承的设计。
The experimental results could be directly used in the sliding bearing design for cone rock bits.
收集了近几年20只现场失效牙轮钻头，对其轴承表面金相组织和硬度以及影响牙轮钻头滑动轴承失效的主要因素进行了分析。
With 20 rock bits which used in the field, bearings' surface metallography, rigidity, and the main factors influence the life of the rock bit journal bearings were studied.
钻头滑动轴承的主要失效形式是胶合和磨粒磨损。
The main failure patterns of the sliding bearing of a cone bit are gluing and abrasion.
本文阐述了三牙轮钻头滑动轴承载荷的测试方法。
A method of determining the load on journal bearing of three-cone bit is described in this paper.
本文最后，对轮式金刚石钻头轴承的磨损进行了分析，并计算了滑动轴承预期寿命。
Finally, on the wheel bearing wear diamond bit was analyzed and calculated bearing life expectancy.
收集了近几年20只现场失效牙轮钻头，对其轴承表面金相组织和硬度以及影响牙轮钻头滑动轴承失效的主要因素进行了分析。
With 20 rock bits which used in the field, bearings surface metallography, rigidity, and the main factors influence the life of the rock bit journal bearings were studied.
利用ANSYS建立了牙轮钻头滑动轴承副实体，与前人所不同的是增加了牙齿实体，并在牙齿顶部加上了面载荷，因此数字模型更能反映实际情况；
The solid of journal bearing pair is created with ANSYS. Some inserts are built and added to the cone solid. The pressure load is applied on the several insert surface, which is more practical.
分析了牙轮钻头滑动轴承失效的机理，论证了牙轮钻头滑动轴承失效形式主要为粘着磨损，分析了影响轴承粘着磨损失效的主要因素。
The failure mechanism of journal bearing of roller cone bit is analyzed, the failure type is adhesive wear, and main factors affecting the adhesive wear are analyzed.
分析了牙轮钻头滑动轴承失效的机理，论证了牙轮钻头滑动轴承失效形式主要为粘着磨损，分析了影响轴承粘着磨损失效的主要因素。
The failure mechanism of journal bearing of roller cone bit is analyzed, the failure type is adhesive wear, and main factors affecting the adhesive wear are analyzed.
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