An analysis of troubles with electric system of series YZ rotary rig
YZ系列牙轮钻机电气系统故障分析
Steel tooth bit can increase the bit's stability and lower the tooth impact load, and enhance its wear resistance.
钢齿牙轮钻头增强了工作的平稳性,降低了牙齿的冲击载荷,使牙轮钻头的耐磨性能得到提高;
Properties, Design and Use of Combined Cone Type Cutting Head
组合式牙轮钻头的特性、设计和使用
Research onto the crowned design of rock bit cylindrical roller bearing
牙轮钻头圆柱滚子轴承的凸度设计研究
The tool pusher is fishing a cutter.
大班正在打捞落鱼,那是一个牙轮.
There are many factors influencing the bit diameter and the tooth row intermesh due to the complicated shapes of the main parts of a three cone bit.
三牙轮钻头主要零件形状复杂,影响钻头直径及牙轮齿圈啮合误差的因素较多。
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