[Application Industry] How to properly use "gas" when laser welding? The role of protective gas 在激光焊接中,保护气体会影响焊缝成型、焊缝质量、焊缝熔深及熔宽,极大多数情况下,吹入保护气体会对焊缝产生积极的影响作用,但是也可能会带来不利的作用。During the welding process, protective gas will affect weld formation, weld quality, weld depth and width. In most cases, blowing protective gas into the weld seam will have a positive effect, but it