... and vertical space perforating, and resin plate printing XHDM630 automatic numbering and perforating machine,numbering machine,paper perforating ... reduce the vibration.Special Features for XHDM480 &XHDM570&XHDM630:Oil Free Vacuum Pump: It adopts Japanese Technology ... for pump motor0.75KWPower Supply220V 50HZDimensions2060x1150x1120mmNet Weight370kg XHDM630 automatic numbering and perforating machine