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- Steel tooth roller cone bit 钢齿牙轮钻头
- STUDY OF SIDE-CUTTING TEST OF ROLLER CONE BIT 牙轮钻头侧切试验研究
- Emulation research on dynamics of roller cone bit 牙轮钻头动力学特性仿真研究
- THE APPLICATION OF THE DIAMOND AND THE HARD ALLOY COMPOSITE REPAIR WELDING IN STRENGTHENING THE SURFACE OF THE STEEL TOOTH ROOLER CONE BIT 金刚石和硬质合金复合堆焊在钢齿钻头齿面强化中的应用
- The Computer Simulation Model of Three Roller Cone Bit 三牙轮钻头的计算机仿真模型
- Keywords roller cone bit sliding bearing hard alloy boriding behavior; 牙轮钻头;滑动轴承;硬质合金;渗硼;性能;
- Analysis on Roller Cone Bit Bottom Hole Track Simulation Under Composite Drilling Conditions and Bit Improvement 复合钻井工况下牙轮钻头井底轨迹仿真分析及钻头改进
- roller cone bit 牙轮钻头
- Proper design of roller cone angle of smooth rolling is the key to obtaining a high accurate wall thickness. 斜轧穿孔机轧辊形状设计十分重要,其中辗轧锥角的正确设计是获得高精度壁厚的关键。
- The relationship model of cone bit drillability and PDC bit drillablity is created. 建立了牙轮钻头可钻性与PDC钻头可钻性的相互关系模型。
- The main failure patterns of the sliding bearing of a cone bit are gluing and abrasion. 牙轮钻头滑动轴承的主要失效形式是胶合和磨粒磨损。
- Thereby,cut and analysis tothe cutter and cutting face of cone bit will be needed,while the abrative waterjet cuttingmachine can yet be regarded as a desired cutting tool. 用磨料水射流切割牙轮钻头不失为一种理想的切割方法,它与传统切割方法相比,具有工效高、切口质量好等特点。
- The unit emits a thin scream as steel teeth slash laminated plastic and the rose is shredded into a thousand fragments. 处理单元的钢牙因咀嚼塑料薄板而发出微弱的刺耳的声音,那朵玫瑰被撕咬成了上千张碎片。
- STUDY ON CONE BIT WITH COMPOSITE TOOTH AND ITS ROCK BREAKING MECHANISM 复合齿形牙轮钻头及其破岩机理研究
- A steel tube or wooden roller on which the warp is wound in a loom. 卷轴织机上的铁管或木轮,供经线缠绕之用
- Establishment of Lateral Vibration Dynamic Model of Roller Cone Rock Bit and Its Solution 牙轮钻头横向振动模型的建立及求解
- Here we are in the yard of the steel mill. 这儿就是不锈钢厂的料场。
- Application of New Tooth Roller Classification Crusher in Taoshan Coal Preparation Plant 新齿形分级破碎机在桃山选煤厂的应用
- On the outskirts they passed a steel mill. 他们在郊区从一家钢铁厂前面经过。
- Method of Establishing Cone Bit Solid Model 牙轮钻头实体模型的建立方法