roller bearing bit

基本解释

The investigation points out that one of the most critical factors of the roller bit service life are the service life of bearing system.
經研究發現，影響牙輪鑽頭使用壽命的最關鍵因素之一就是軸承系統的壽命。
lib.swpu.edu.cn
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.
分析了牙輪鑽頭滑動軸承失傚的機理，論証了牙輪鑽頭滑動軸承失傚形式主要爲粘著磨損，分析了影響軸承粘著磨損失傚的主要因素。
lib.swpu.edu.cn
In order to decrease the maximum contact stress be tween roller and journal in the rock-bit main cylindrical roller bearing system , the curvature-changing structure can be adopted in it.
爲了降低大圓柱滾子與牙爪軸頸之間的峰值接觸應力進而提高牙輪鑽頭滾動軸承系統的工作性能，可以在大圓柱滾子軸承中實施變曲率結搆方案。