Design and Manufacture of the Rolling Mill for New Spiral Groove Tubes(GT) 新型螺旋槽管的轧制及其轧具的设计和制造
The mechanical structure and working principles of a kind of rolling tool for spiral groove tubes are introduced, and the geometrical parameters of normal spiral groove tubes are provided. 介绍了一种螺旋槽换热管轧制工具的机械结构及工作原理,给出了常用螺旋槽换热管的几何参数。
Experiments were conducted with respect to three kinds of heat exchange elements, i. e. bare tubes, inserted twisted band tubes and spiral groove tubes. 对光管、内插扭带管、螺旋槽管三种不同换热元件进行了实验,整理出了管内换热与阻力经验公式,导出了管内流动火用损失方程。
According to the research of rolling processing technology, we develop some simple rolling head of striated groove heat exchange tubes which can be processed on ordinary lathe. 根据滚轧加工技术研究开发了一种简单的、能在普通车床上加工横纹槽换热管的滚轧头。
The rolling tools for groove heat exchange tubes was designed based on the working principle of the rotary rolling mill and the tube manufacture process was introduced using this tools the welding groove tube was produced successfully. 介绍一种根据滚轧加工原理设计的新型螺旋槽换热管轧制工具,利用该轧制工具成功加工出螺纹槽焊管。