At present, the most widely used welding equipment includes: welding rod arc welding, submerged arc welding, gas tungsten arc welding, plasma arc welding, gas metal arc welding, spot welding, seam welding, projection welding and butt welding. After a period of use, welding equipment will always fail for various reasons. At this time, the user must … Continue reading Inspection method and maintenance experience of welding equipment failure