pipe thread

The program is to process all kinds of oil well pipe thread and casing coupling.

该项目是加工各类油井管螺纹、套管接箍的机械加工项目。

Problems with pipe thread machining by numerically-controlled machine tools

管螺纹数控加工中的几个技术问题

The thread connection is the weakest part of OCTG. Oil thread gauge, as a special equipment to measure the quality of pipe thread, could not meet the calibration requirements by traditional measuring method due to its own characteristics.

石油专用管中螺纹连接是最薄弱的环节，作为检验管材螺纹质量的专用量具&石油用螺纹量规由于自身特点，传统的测量方法已不能满足校准要求。

Design and Analysis of FRP Pipe Thread Grinding Machine Control System

FRP管道螺纹磨削机控制系统设计与分析

It is a precondition and base of improving anti-galling performance of oil well pipe to make sure the leading influencing factor of API pipe thread gluing.

科学地确定出油井管螺纹粘扣的主要影响因素是提高油井管抗粘扣性能的前提和基础。

According to connection method classification ( 1) threaded connection valves: valve with internal thread or external thread, and pipe thread connection.

按连接方法分类（1）螺纹连接阀门：阀体带有内螺纹或外螺纹，与管道螺纹连接。

Due to the existence of electric submersible pump Kau, so connected in the pipe thread Department has set up anti-down block.

因电潜泵存在倒扣问题，所以在管螺纹联接处设置了防倒块。

Regulating valve and pipe thread connections have connections , flange connections and welded connections distinction.

胶木手轮调节阀与管道的连接方式有螺纹连接 、 法兰连接和焊接连接等区别.

Study on Method of Confirming the Leading Factors of API Pipe Thread Gluing

API管螺纹粘扣主要因素的确定方法研究