摘要
放电间隙是短电弧加工的重要参数,其直接影响加工效率及质量,存在测量及控制难的问题。提出了一种基于短电弧电流和电压的阴极工具进给伺服控制方法,进行了短电弧加工状态采集系统的设计,实现了电流、电压、温度、压力等信息的准确采集和交互,并基于华中8型数控系统二次开发平台,研制了专用数控系统,完成了基于采集反馈信息的阳极工具伺服控制,对航空发动机部件进行了短电弧加工验证。相关测试结果表明,短电弧专用数控系统稳定、可靠,具有良好的工程应用价值。
Discharge gap is an important parameter in short arc machining, which directly affects the efficiency and quality of the machining, and it is difficult to measure and control. A feed servo control method of cathode tool based on short arc current and voltage is proposed. The design of a state acquisition system for short arc machining was carried out.The accurate acquisition and interaction of current, voltage, temperature and pressure information were realized. Based on the secondary development platform of Huazhong 8 Computer Numerical Control (CNC) system, a special CNC system was developed. The servo control of the anode tool based on feedback information was completed, and the short arc machining verification of aero-engine components was carried out. Relevant test results show that the special CNC system for short arc is stable and reliable, and has good engineering application value.
作者
李波
熊迪
万勇
张文
无
LI Bo;XIONG Di;WAN Yong;ZHANG Wen(School of Mechanical Engineering, HuBei University of Arts and Science, Xiangyang Hubei 441053, China;Xiangyang Key Laboratory of Digital Equipment Manufacturing and Advanced Processing Technology, Xiangyang Hubei 441053, China;The Second Military Representative Office in Beijin,Air Force Equipment,Beijing 100081, China;XY-HUST Advanced Manufacturing Engineering Institute, Xiangyang Hubei 441053, China)
出处
《机床与液压》
北大核心
2019年第15期99-104,共6页
Machine Tool & Hydraulics
基金
国家04重大专项(2018ZX04012001)
“机电汽车”湖北省优势特色学科群开放基金项目资助(XKQ2018079)
湖北省中央引导地方科技发展专项(2018ZYYD016)
关键词
短电弧机床
进给控制
状态采集
数控系统
Short arc machine tool
Feed control
State acquisition
CNC system
