... MACHINEDetailedProduct Description CustomAdvanced Roller Automatic Hardfacing Machine of 5t Automatichardfacing machine of our advanced technology in extended ... line speed, walk linedistance, weld bead width, weld bead pendulum wide, welding time, etc. Rollsurfacing welding machine ... ’ basic classifications are according to thesize of the loading, also with reference to length of the workpiece, and ...