熔化极气体保护焊熔滴过渡光谱信号的品质  

SIGNAL PROPERTY OF WELDING ARC SPECTRUM IN SENSORING METAL TRANSFER IN MAG/MIG

作　　者：柳刚[1] 李俊岳[1] 杨运强[1] 韩国明[1] 李桓[1] 云绍辉 

机构地区：[1]天津大学材料科学与工程学院,天津300072

出　　处：《天津大学学报（自然科学与工程技术版）》2000年第4期474-478,共5页Journal of Tianjin University：Science and Technology

基　　金：国家自然科学基金资助项目 !( 595750 59)

摘　　要：基于对电弧光谱动态特征的认识 ,在实验的基础上获得了不同过渡形式下熔滴过渡的光谱信号 ,通过与电弧电信号和电弧光强信号的对比 ,发现以光谱信号检测熔滴过渡 ,具有工艺适应性宽、信号强度大和信噪比高等优点 。High quality signals are most essential in realizing the metal droplet transfer controlling in metal gas arc welding.On the basis of dynamic characteristics of the arc spectrum,arc spectrum signals of different metal transfer modes have been acquired by experiments.Compared with arc current voltage,and arc light intensity,arc spectrum signals could be considered the best metal transfer signal which has the advantages of multi transfer modes adaptability,high signal intensity and high ratio of signal to noise.

关 键 词：熔滴过渡 光谱 信号品质 熔化极气体保护焊 

分 类 号：TG444.72[金属学及工艺—焊接]