2) seamless thick walled tube
无缝厚壁管材
1.
The extruding technology for theφ48×6mm seamless thick walled tube,design of the extruding die and the application measure in production are briefly stated.
简要叙述了48mm壁厚6mm无缝厚壁管材的挤压工艺,模具设计及生产时采取的措施。
3) section bar wall thickness
型材壁厚
4) 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。
5) 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。
6) thick wall pipe
厚壁管
1.
The flow and heat transfer of HDPE thick wall pipe at die parallel lend (DPL) and calibration sleeve (CS) were analyzed in this paper, also a new method for calculating specific heats from DSC diagrams was put forward at melt-solid two phases model.
本文对HDPE厚壁管的口模定型部分以及后面的冷却定径部分的流动和传热问题进行了分析,建立了数学物理模型。
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