turbodrilling

It took the lead of turbine tool industry and now was on the stage of turbine tool with reducers.

涡轮钻具由前苏联研制出来以后,得到了迅速发展,目前已发展到减速器涡轮钻具阶段。

The simulation of axial distortion of four-fulcrum thrust ball bearing pack of turbodrill;

涡轮钻具四支点推力球轴承组轴向变形的仿真

New method for calculating the wear life offour-pivot ball bearing on turbodrill;

涡轮钻具用四支点球轴承磨损寿命估算新方法

Application of turbine drill in deep hole section of West Sichuan;

涡轮钻具在川西深井段的应用分析

The CFD model with one single periodic flow-path of turbine drill is set up accurately by model tools.

对模拟出的涡轮叶栅内流场,重点分析了转子叶片表面压力场的分布情况,并将模拟结果与十级涡轮台架的实验数据进行了对比,证明了应用CFD技术对涡轮钻具叶栅内流场模拟分析的有效性,为涡轮钻具机械性能预测分析提供了一种有力的技术手段。

The design calculation process and related process methods for transmission ratio, gear transmission, end mechanic sealing and eccentric short roller bearing used for 180 turbine drill are described.

叙述了 180涡轮钻具用减速器的传动比 ,齿轮传动 ,端面机械密封和偏心短圆柱轴承的设计计算过程和有关处理办法。

Developing turbodrilling technology in China should be f.

论述了涡轮钻井的最新技术成果 ,概括了近年来涡轮钻具的发展特点 ;提出了涡轮钻具在性能和结构上的改进措施 ,以提高钻具的寿命 ,并使其能满足不同类型钻头和不同钻井工艺的要求。

low speed high torque turbodril

低速大扭矩涡轮钻具

triple-section multistage spindle turbodrill

三段式多级主轴涡轮钻具

Research on the TRO-127 double-stage deceleration turbodrill for the superdeep well

超深井TRO-127两级减速涡轮钻具的研究

The Visualization of Axial Interval Adjustment between Stator and Rotor of Turbodrill

涡轮钻具定转子轴向间隙调整的可视化研究

Finite Element Analysis for DeveloPing Stre ngth Formulae of Turbodrill Parts

有限元分析在涡轮钻具零件强度公式研究中的应用

need to cover all properties required of both gas and steam turbine oils.

环机油需兼具燃气涡轮机和蒸汽涡轮机机油的所有性能。

The clinical application of high speed turbodrill to extraction of impacted mandibular third molars

高速涡轮钻在下颌阻生第三磨牙拔除中的临床应用

Clinical Observation of Photoconductive High-speed Air Turbine Drill in Difficult Extraction of Teeth

光导高速涡轮钻在困难牙拔除中的临床应用体会

Application study of new mould-parting technology of ceramic core mould to turbine blade

涡轮叶片陶瓷型芯模具分模技术应用研究

The Research and Application of Process Planning of Investment Casting Mould to Turbine Blade;

涡轮叶片精铸模具工艺规程设计的研究与应用

Study of an air-cooled turbine blade profile with depression feature at leading edge

具有前缘凹陷特征的气冷涡轮叶型研究

an air [a gas] turbine

空气[瓦斯]涡轮机.

a steam [water] turbine

蒸汽 [水力] 涡轮机.

geared turbine drive

涡轮机减速齿轮传动

geared turbogenerator

齿轮传动涡轮发电机组

integrally-forged impulse wheel

(涡轮机) 整锻冲动式转轮

Instead of a whiny turbine drill, he uses a flash of laser light to blast away dentin and enamel.

他用的是一道激光而不是烦人的涡轮钻来清除象牙质和牙齿的珐琅质。

ANALYSING DYNAMIC CHARACTERISTICS OF DRILLING STRING EDDY OF INSIDE CONTAINING DRILL FLUID

内含钻井液的钻柱涡动动力特性分析