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针对铝合金MIG焊易形成引弧点未熔合、焊缝成形不良、弧坑裂纹和易氧化缺陷的问题 ,进行了铝合金MIG焊机的辅助控制系统设计
Aiming at the problem of aluminum alloy MIG welding forming arc welding point unmelted, poor weld formation, crater crack and easy oxidation defect, the design of the auxiliary control system of MIG welding machine for aluminum alloy