1) thick-wall pipe drilling tool
厚壁管钻具
1.
Special welding machine for narrow clearance of thick-wall pipe drilling tool;
厚壁管钻具窄间隙焊接专用机
2.
It is difficult to perform the friction welding for the thick-wall pipe drilling tool.
针对厚壁管钻具难以进行摩擦焊接的现状,研制了一种厚壁管钻具窄间隙焊接专用机。
2) Heavy-wall pipe as drill collar stock
厚壁钻铤管
3) thick walled drill pipe
厚壁钻杆
4) double-wall drill tool
双壁钻具
1.
A double-wall drill tool has been developed to solve problems arising in the process of controlling the wellbore trajectory using conventional downhole mud motor and MWD in under-balanced drilling with aerated drilling fluid.
为解决在充气钻井液欠平衡压力钻井时,使用常规井下动力钻具和随钻测量仪器进行井眼轨迹控制中遇到的技术难题,研制了双壁钻具。
5) thick-wall tube
厚壁管
1.
The process for preparing TC4 thick-wall tube by radial forging was studied.
研究了用径向锻造方法制备TC4厚壁管材的生产工艺。
2.
The main parameters of open-die cold extrusion without mandrel of thick-wall tube are analyzed.
分析了厚壁管件无芯棒开式冷挤压的主要参数；确定了该工艺极限变形程度的判断依据；对两种不同厚径比的厚壁管极限变形程度进行了试验研究，给出了可供实际应用的数据。
6) thickness nozzle
厚壁接管
1.
By elaboration and comparison of the principle of three methods for high pressure water distributor opening-reinforcement,in consideration of the manufacture and field installation,this article points out that the simplest,safely,the effective method is to use thickness nozzle making up symmetrically.
通过对常用不同补强方法原理的阐述、对比,综合考虑制造和现场安装,认为高压分水器最简单、安全、有效的补强方法就是采用厚壁接管对称补强结构。
补充资料：凹模壁厚及凹模垫板尺寸
型腔壁部投影面积 壁 厚， 毫 米
F， 厘米2 h1 h2 h3 h4 h5
<5 15~20 30~40 <=10 15~20 30~40
>5~10 20~25 40~50 10~15 20~25 40~55
>10~50 20~30 50~60 15~20 20~30 55~65
>50~100 30~35 60~75 20~25 30~40 65~70
>100~200 35~40 75~85 25~30 40~50 70~75
>200 >40 >85 30~35 50~60 >80
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条