40MN核级粉末成型油压机关键技术研究  

Research on the key technology of 40MN nuclear-grade powder molding hydraulic press

作　　者：郭晓锋 段丽华[1,2] 苏振华 房志远[1,2] 柴星 GUO Xiaofeng;DUAN Lihua;SU Zhenhua;FANG Zhiyuan;CHAI Xing(State Key Laboratory of Metal Extrusion and Forging Equipment Technology,Xi'an 710032,Shaanxi China;China National Heavy Machinery Research Institute Co.,Xi'an 710032,Shaanxi China)

机构地区：[1]金属挤压与锻造装备技术国家重点实验室,陕西西安710032 [2]中国重型机械研究院股份公司,陕西西安710032

出　　处：《锻压装备与制造技术》2021年第4期25-28,共4页China Metalforming Equipment & Manufacturing Technology

基　　金：高档数控机床与基础制造装备国家科技重大专项项目(20llZX04016-081);陕西省重点科技创新团队项目(2013KCT-10)。

摘　　要：介绍了40MN核级粉末成型油压机的主机结构和参数,提出了三工位双模架高效工作机制和高承压可移动模架技术,成功将布料和压制工序分开在不同的工位进行,提高了生产效率;提出了低速加压速度闭环控制方法和保压压力闭环控制方法,实现了加压速度的精确控制和超长时间保压压力的平稳性。The mainframe structure and parameters of the 40MN nuclear-grade powder forming hydraulic press have been introduced,while the three-station double die base high-efficiency working mechanism and the high-pressure movable mold base technology have been proposed.The cloth and pressing processes have been successfully separated in different stations,which improves the production efficiency.The low-speed pressurizing speed closed-loop control method and the holding pressure closed-loop control method have been put forward.The precise control of the pressurizing speed and the stability of the long-term holding pressure have been realized.

关 键 词：粉末成型 液压机 移动模架 闭环控制 保压 

分 类 号：TG315.4[金属学及工艺—金属压力加工] TF37[冶金工程—冶金机械及自动化]