Handheld laser welding machine welding why to use protective gas?
Handheld laser welding machine which is a new type of welding method, mainly for thin wall material, precision parts welding, which can realize welding, butt welding, welding stack, seal welding, such as depth ratio is high, the weld width is small, small heat affected zone, small deformation, welding speed, welding seam smooth, beautiful, without treatment…
