The butt welding machine can be combined with other automation equipment to realize the full automation of the flash butt welding machine. When the butt welding machine is in butt welding, because the end metal is burned when heating, the end face cleaning is not required, but the cleaning requirements for the contact surface of the fixture and the weldment are the same as the resistance butt welding, so the equipment will be affected by external factors Some minor faults, the following will give a brief introduction on how to use the butt welding machine correctly.