基于PMAC的交流伺服CO_2脉动送丝系统的研究  

Study on AC servo CO_2 pulsed feeding system based on PMAC

作　　者：杨帅[1] 刘嘉[1] 闫思博[1] 殷树言[1] 白立来[1] 

机构地区：[1]北京工业大学机电学院,北京100124

出　　处：《电焊机》2009年第2期62-66,共5页Electric Welding Machine

摘　　要：采用PMAC2-PC104运动控制卡对转动惯量低、响应速度快的交流伺服电机进行控制,研制了实时控制CO2焊脉动送丝系统。设计了信号隔离接口电路,将焊接过程的各种信号实时传递给运动控制系统。根据CO2焊接工艺参数规划了焊丝的运动参数。通过对PMAC运动控制卡PID参数和其他运动参数的配置,以PLC程序和运动程序组合的方式实现了由短路/燃弧信号触发的实时控制的脉动送丝短路过渡CO2焊接过程。系统送丝稳定,最高脉动送丝频率可达90Hz。A real-time control CO2 welding pulse feeding system has been proposed.It utilizes PMAC2-PC104 motion controller to control AC servo motor with the low moment of inertia,fast response.The isolation interface circuit is designed to pass the welding signal to the motion controller.According to the CO2 welding parameters,the wire motion parameters are programmed.This real-time system which is managed by PLC and motion programs and triggered by short-circuit and arc signal can achieve pulse feeding shortcircuit CO2 welding.The pulse wire feed speed is steady,and the highest frequency can reach to 90 Hz.

关 键 词：PMAC 交流伺服电机 实时控制 脉动送丝 

分 类 号：TG434.2[金属学及工艺—焊接]