High of extrusion machine is 3 meters , blowing mode is down - run , reeling device uses moment motor to keep the good tension , then reeling product regularly and changing it freely 米，吹膜方式：下吹法。卷取装置采用力矩电机，可保持适宜的张力，收卷整，换卷方便。
Experiments show that in the system , step - by - step control is realized , the utilization rate of materials is gained . this model lays the basis for developing the better coiler 实验证明，该控制系统能实现带头的自动步进回避，提高材料利用率，为研制高水平热轧卷取机奠定基础。
The fourth chapter finishes some research and design of let - off & take - up motions based on servo control . the specific application in engineering and tension control are also introduced 第四章对基于伺服控制的送经及卷取机构进行研究和设计，介绍了具体工程应用中的主要工作和张力控制。
The rapier loom is one of the strongest shuttleless looms of adaptability . the research and application of the technology of electronic picking , electronic take - up and electronic let - off is the developing direction of rapier loom 剑杆织机作为一种适应性最强的无梭织机，其发展方向为电子选纬、电子送经、电子卷取控制技术的研究和应用。
In the process of hot rolling mill , wallop is very large when winding , which influences production heavily . so developing the control system to realize step - by - step control is significative 在热轧生产过程中，带钢卷取时冲击力很大，卷取机经常发生故障，严重影响了生产产量和产品质量，因此开发能实现带头自动回避的控制系统具有实际意义。
Including picking control system designed by two - chip structure controller and system of let - off & take - up motion based on servo control . and some deep research on tension control and start mark compensation 包括two - chip结构的控制器实现的选纬控制系统以及基于伺服控制的送经及卷取系统，并对张力控制以及开车痕补偿问题进行了深入研究分析。
In order to improve the control precision of strip coiling temperature in laminar cooling , the heat transfer in cooling process was analysed from a viewpoint of transfer mechanism , and a mathematical model of air - cooling and water cooling was obtained 摘要为提高热轧带钢层流冷却卷取目标温度的控制精度，根据冷却过程的传热机理，分析了带钢层流冷却的传热过程。
Abstract : the present paper analyzes the axial pressure of the coil , the working principle of the coil drum and causes of slide scar on the strip head and advances the new method for the taper control of the coiling tension 文摘:针对单机架平整机的带钢头部滑伤问题，分析了钢卷径向压力、卷筒的工作原理，及带钢头部滑伤形成原因，提出了卷取张力采用锥形控制的新方法。
Modern coiler of hot rolling is coiling faster and faster . based on the physical simulation model built in laboratory , a series of experiments have been conducted to study how to evite the step even faster and more placidly 现代热轧卷取机卷取速度越来越快，为探讨如何更快速、更平稳地实现助卷辊的台阶回避，针对实验室建造的热轧卷取机系统半物理模型进行了仿真和实验研究。
Based on the real work process of coiler at worksite , an electro - hydraulic servo system including the inner position - adjusting loop and the exterior pressure - adjusting loop is developed in order that unit roller can evite the step automatically 本研究参考实际现场卷取工艺，研制了压力调节为内环、位置调节为外环的双闭环电液伺服控制系统，以实现助卷辊对台阶的自动回避。
