牙轮

Rotating reducer is an important part of blast hole , it holds biggest loads while drilling.

回转机构是牙轮钻机的重要工作部分, 在钻孔作业中承受最大的负荷.

Inthe author synthetically analysed the present situation and development tread of-hole drill home and abroad.

综合分析了国内外牙轮钻机的现状及发展趋势.

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.

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.

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.

Drilling with cone ( drag ) bit in the section.

此段地层采用牙轮 ( 刮刀 ) 钻头钻进.

This paper describes the determination methods on main parameters of blast-hole drill.

介绍了牙轮钻机主参数的选择方法.

The failure analysis of the high speed roller bit bearing.

高速牙轮钻头轴承的失效分析.

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.

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.

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.

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.

This paper introduces gear wheel drill speed system which composed of Siemens PLC and Siemens inverter.

介绍了由西门子PLC和变频器组成的牙轮钻机的调速系统.

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.

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.