全数字脉冲MIG逆变焊接电源的研制  

Development of the digital pulse MIG welding machine

作　　者：苏宪东[1] 

机构地区：[1]唐山松下产业机器有限公司,河北唐山063020

出　　处：《电焊机》2011年第1期1-6,共6页Electric Welding Machine

摘　　要：采用双MCU和CPLD作为控制器件,建立了以单片机为核心的焊接工艺过程控制系统构成的研究开发系统,为数字MIG逆变焊机提供必要的硬件基础。对基于微电脑控制的数字MIG逆变焊机进行了研究和开发。对数字MIG逆变焊机的焊接过程进行了试验,通过精密控制脉冲焊接过程不同阶段的焊接电流,实现了无飞溅、焊缝成形美观的MIG焊接;通过闭环控制增强了焊接过程对焊丝干伸长等外部环境变化的自适应能力。In this paper,dual MCU and CPLD are applied to control electronics and intelligentized muhifunctional inverter type arc welder is studied to improve the welding process performance of the welder and promote made home welding equipments to update. Pulse waveform MIG welding is studied through experiments.By applying high speed current control at different period of pulse, MIG welding process and constant voltage output characteristic,a stable pulse MIG welding process with no spatter,pretty weld bead is achieved.The closed loop control enhances the adaptability of the welding process to the change of environment conditions such as electrode extension and cable length.

关 键 词：全数字脉冲MIG焊机 单片机 精密控制 

分 类 号：TG434.1[金属学及工艺—焊接]