A novel drill tool threaded connection stress relief groove is proposed in the paper.
减少连接螺纹弯曲应力可以延长钻具连接螺纹的疲劳寿命。
To hold one end of a threaded connection while the other is turned to make up the joint.
固定螺纹连接部位的一端，以便在转动另一端时上紧螺纹。
Therefore, the threaded connection between both parts (1, 2) presents a gap (3) that varies in a non-linear manner.
因此，两个部件(1,2)之间的螺纹连接具有以非线性方式变化的间隙(3)。
The force of the explosion enlarges the female (outer) thread enough that the threaded connection unscrews instantly.
爆炸所产生的力使母扣扩大，足以使丝扣连接处瞬时松开。
Looseproof technique of the threaded connection is the basic guarantee for the reliable work of the automatic production equipments.
螺纹连接防松技术是自动生产设备可靠工作的基本保证。
The common M8 threaded connection permits a direct assembly with nearly all existing measuring heads, whether manually operated or motor driven.
它使用通用M8螺纹连接，因而可适用于现有的大部分的手动或自动测头。
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。
The accuracy of thread inspection and quality of threaded connection will be influenced by burrs resulted from the thread cutting process of tubing and casing.
油井管螺纹切削加工中产生的毛刺会直接影响螺纹检验的准确性和螺纹连接质量。
Real time monitor of casing thread makeup torque is one of important means to improve the quality of casing threaded connection during the process of casing-runing.
在下套管作业过程中 ，对套管紧螺纹扭矩的实时监控是提高套管螺纹联接质量的重要方法之一。
Real time monitor of casing thread makeup torque is one of important means to improve the quality of casing threaded connection during the process of casing-runing.
在下套管作业过程中 ，对套管紧螺纹扭矩的实时监控是提高套管螺纹联接质量的重要方法之一。
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