By observing the high-speed photographic images under three parameters , we found that the back side weld width decreases as the welding speed increases, obviously, the reduction in back side weld width means the size of back keyhole decreases.
By observing the high-speed photographic images under three parameters , we found that the back side weld width decreases as the welding speed increases, obviously, the reduction in back side weld width means the size of back keyhole decreases.