According to the principle of four bar linkage mechanism, the new style thread inspecting stand for oil tubes is designed.
根据平面四连杆机构原理设计了新型石油套管螺纹检查台。
Non-contact tubing thread intelligent detection based on computer visualization technique;
基于计算机视觉的油管螺纹非接触智能检测
The author analyzes the impacts on tubing thread linking intensity of hydraulic tong with the finite element method,the Von Mises and contact pressure distributes of casing thread liking in condition of different holding position for backup tong have been obtained,and he puts forward the technological transformation measures of hydraulic holding system,designs a three-plate-style-tong-door.
采用有限元方法分析了液压钳对油管螺纹联接强度的影响,得到了背钳在不同夹持位置时油管螺纹联接的等效应力和接触应力分布,提出了液压钳夹紧结构的技术改进措施,设计出一种新型的三腭板钳口结构。
An analysis is made of the factors affecting the reliability of numerically-controlled processing line of tubing threads.
归纳并分析了影响油管螺纹数控加工线可靠性的因素,从技术、管理两方面分别提出了提高油管螺纹数控加工线可靠性的具体可行措施。
This paper focuses on computational analysis of casing threads joint performance in the steam injecting well.
针对注蒸汽热采井套管螺纹连接的性能进行了ANSYS计算分析,建立了套管螺纹连接的有限元计算模型,选择了接触分析模块,计算了热采井套管连接螺纹牙的受力分布,得出套管螺纹连接在热采井中的力学性能变化规律。
A finite element two-step casing connection model is founded to analyze the force on the casing threads by using the contact analytical model.
应用ANSYS对双级套管螺纹连接进行性能仿真,建立双级套管螺纹有限元模型,利用接触分析模块,分析螺纹各扣牙受力情况,最后总结了双级套管螺纹连接受力分布规律,并与普通套管螺纹接头作了比较,结果显示双级套管螺纹接头各扣牙受力分布要比普通套管螺纹均匀。
Application of a new helix screw thread pipe heat exchanger
一种新型螺旋螺纹管式换热器的应用
pin-to-box pipe
阳螺纹-阳螺纹管子
Tubing thread is available for API tubing threads and TM threads.
油管螺纹可采用API油管螺纹，或TM螺纹。
coupling straigth-way cock
两端带阴螺纹管接的直通旋塞
Three dimensional FE simulation of ball spinning of inner grooved copper tubes
内螺纹铜管滚珠旋压三维有限元模拟
Inside Weld Crack Analysis and Control of SSAW Pipe
螺旋埋弧焊管内焊缝裂纹分析与控制
FE simulation on the ball spinning forming of inner grooved copper pipe
内螺纹铜管滚珠旋压成形有限元模拟
fixed screw propeller shrouding
定螺距螺旋桨导流管
Secondly there is error between thethread roll angles of thread rolling die and drill rod.
滚丝轮螺纹和钻杆螺纹的螺旋角有误差。
NPT tapered tube thread gauges
NPT锥管螺纹量规
spiral contrapper knitting machine
螺旋形花纹吊线织袜机
Apply pipe dope sparingly on pipe threads, never on valve threads.
在管道螺纹上涂敷螺纹油，但是不要在阀门螺纹上涂螺纹油。
The spirally threaded shaft of a worm gear.
螺纹蜗轮的刻有螺旋线的柄
the raised helical rib going around a screw.
绕着螺丝的凸起的螺旋状的肋纹。
Double Spiral Fluting Tap, a New Type Threading Tool
一种新型的螺纹工具——双螺旋槽丝锥
Approximate Graphics of 3D Spiral Spring and Thread in AutoCAD;
AutoCAD中三维螺旋弹簧、螺纹的近似画法
General purpose screw threads for joints on pipe line--Dimensions
GB/T1414-1978管路旋入端用普通螺纹尺寸系列
Investigation and Development of Enhanced Tubular Heat Exchangers With C-276 Alloy
C-276合金螺旋波纹管高效换热器的研发