The failure analysis of the high speed roller bit bearing.

高速牙轮钻头轴承的失效分析.

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Diameter controlling is of great importance in rock bit manufacturing.

保证三牙轮钻头的直径是钻头制造工艺的重点.

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This paper introduces the application of the object - oriented technology in three roller bIt'simulation.

本文介绍了 面向对象 技术在三牙轮钻头仿真中的应用.

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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.

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Design calculation process as well as machining technology of rock bit are detailed introduced.

详细介绍了104牙轮钻头的设计计算过程和加工工艺.

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The investigation directions of the high speed roller bIt'sealing are put forward in the future.

针对这些情况提出高速牙轮钻头轴承密封在今后的研究方向.

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Bearing quickly losing effectiveness will lead to the manifest reduction of its service life.

轴承的快速失效,导致牙轮钻头寿命的明显降低.

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The motion and force of cone bit is extraordinary complex on bottom hole.

牙轮钻头在井底工作时的运动状态和受力情况是相当复杂的.

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This paper analyses the factors that affect the contact stress of rock bit journal bearing.

文章分析了牙轮钻头滑动轴承接触力学性质的影响因素.

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The primary investigation of the sealing system of the high speed roller bit bearing.

高速牙轮钻头轴承密封系统的初步研究.

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