三牙轮钻头

三牙轮钻头三喷嘴优化组合的研究

Experimental Study on Optimum Combination of Three Nozzles on Tri-Cone Bit

三牙轮钻头牙轮齿孔表面装配应力测试分析

Test and analysis of assembly stress in the tooth holes of tri-cone bit

基于MATLAB的三牙轮钻头仿真模型研究

Research on simulation model of tri-cone bits by using MATLAB

基于AutoCAD的三牙轮钻头CAD系统设计

CAD System Design for Three-cone Bit Based on AutoCAD

用Excel实现三牙轮钻头直径计算的方法

Method of Calculating Three Cone Bit Diameter by Using Excel

三牙轮钻头牙掌生产用FMS数控程序设计及质量控制

NC Programming and Quality Control in FMS for Producing Heads of Tri-cone Bits

随着钻探新技术的发展，开发深井和超深井技术要求钻头尺寸小型化，由于单牙轮钻头具有三牙轮钻头和PDC钻头的优点，同时又弥补了二者的不足。

With the development of the new technology of drilling , the exploitation of deep well and over-deep well needs small size bit .

运用扫描电子探针对三牙轮钻头牙掌堆焊和热处理后产生的裂纹特征进行了分析，并采用X射线衍射仪测定了牙掌试件的残余应力。

The characterization of the crack in palm of the roller bit produced by overlaying welding and heat treatment was studied with the scanning electron microscope ( SEM ) and its residual stress was tested with X ray diffraction ( XRD ) .

阐述了采用内嵌于AutoCAD的VBA语言开发基于AutoCAD的三牙轮钻头计算机辅助设计系统的思想和实现，及在AutoCAD环境下开发三牙轮钻头CAD系统的一般方法。

The ideas and the process of the development of three-cone bit CAD system based on AutoCAD with AutoCAD embedded VBA language are represented . The common method of developing three-cone bit CAD system in the environment of AutoCAD is illustrated .

三牙轮钻头水力系统的研究与应用

Study and application of the hydraulic system of three roller bit

保证三牙轮钻头的直径是钻头制造工艺的重点。

Diameter controlling is of great importance in rock bit manufacturing .

关于XHP3、XHP4型长齿三牙轮钻头硬质合金齿的研制

Development of long-tooth tricone carbide BISS of xhp_3 and xhp_4 types

三牙轮钻头滑动轴承副接触有限元分析

Finite Element Analysis of Journal Bearing Contact of Tricone Bit

三牙轮钻头滑动轴承浮动衬套的抗胶合试验

Anti-seizing test of floating bush of cone bit slide bearing

制造误差对三牙轮钻头齿圈啮合的影响

Influence of Manufacturing Errors on Tooth Row Intermesh of Three Cone Bits

三牙轮钻头三维啮合计算与运动仿真

3D Kinematical Simulation and Engagement Computation of Tricone Rock Bits

应用小波理论实现钻进过程中的三牙轮钻头轴承故障诊断

Implementing tricone bit bearing fault diagnosis by applying wavelet packet theory during drilling

三牙轮钻头瓢形齿齿面结构的空间解析式及积分处理

Analytic expression for scoop-shaped tooth surface of three-cone bit and its integration processing

三牙轮钻头系统可靠性的预测与评估

Prediction and evaluation of systematic reliability of tricone bit

三牙轮钻头的计算机仿真模型

The Computer Simulation Model of Three Roller Cone Bit

三牙轮钻头特征识别系统的研究与开发

Research on the Feature Recognition System for Three-cone Bit

三牙轮钻头工艺图自动生成系统

The Operation Sketch Generating System for Tri_Cone Rock Bit

三牙轮钻头设计制造过程的集成数据管理平台

An Integrated Data Management Platform for Design and Manufacturing Process of Three Cone Bit

三牙轮钻头结构参数的间接测量

Indirectly measuring structural parameters of three cone bit

三牙轮钻头破岩过程计算机仿真模型

Simulation model of drilling process of three-cone bit

三牙轮钻头内流场数值研究及损坏原因分析

Value Research of the Inner Flow-field and Analysis of Damage Causes on the Tri-cone Bits

三牙轮钻头计算机辅助设计系统的研究

CAD system for three - cone bit

它用于三牙轮钻头，特别是大规径钻头和高速钻头，是一种较好的轴承结构形式。

It finds use in tricone bits , especially in large-sized bits and high speed bit .

三牙轮钻头的改进方向

Improving Direction of Three Roller Bit

介绍了石油钻井用三牙轮钻头的结构特点和工作原理。

The structural properties and performance behavior of Roller Cone Bit used in oil drilling are discussed .