Atom Hydraulic Laser Cutting Machine(ZN-X-920CD) 1.Double guide 2 ... (1000*800 mm)2. T lead screw(can be selected ball lead screw)and linear double guide makes ... paper impeller run smooth ,low noise ,accurate positioning ,enhance the cutting ... 7.Safety device for knife bed, overloading protection for cutting , automatic return safety device.8. ISO standard ...