JH-6000DEG steel rolling mill roller hardfacing machine adopts double chucks configuration, one chuck in headstock while another chuck in tailstock, and the tailstock is movable. JH-6000DEG equipped with dual welding stations and dual spindle drive, which is capable to weld double roller simultaneously. The voltage and wire feeding speed can be set freely according to the welding process requirements. The touch screen is combined with the PLC, and the welding parameters such as the line speed and the width of welding seam are manually preset. tTe most suitable number of revolutions and width of welding seam can be automatically adjusted according to the roller diameter and the length of the roller.