Processes simultaneously both sides of metal sheet parts cut by laser or punching machine, saving time and reducing operation costs. Additional conveyor belt and support table enables single side edge rounding of metal parts down to 50x50mm. DM1100 2C can edge round metal parts with plastic foil, keeping the original finishing and assuring the work purely on the edges. Easy and tool free cross belt replacement. Program for automatic positioning of upper and lower cross belts in order to improve the access, reducing replacement procedure time. Easy to use with an integrated touch screen for monitoring the working settings and the machine alarms.