Parameter Double HGH15 Linear Guide Rail on X axis. Machine size: Length 485mm* Width 415mm* Height 374mm XYZ axis actual stroke: 300*180*80mm (If install limit switch. Z axis stroke about 78mm). Aluminum Table Size: 300*180mm One-piece molded table Material: Aluminum Control Card: 3 Axis 5.2 GRBL 1.1f Driver Clip: A4988 Maximum operating speed: 5000mm/min Maximum processing speed: 2000mm/min Stepper motor: Nema17 42mm Stepper motor. Length 48mm Screw: T8 stainless steel screw, lead 4MM Screw Nut Type: Double nut clearance adjustment Spindle hole diameter: 52mm Laser module diameter: 40mm Control software: Laser: GRBL control, CNC: CANDLE control Spindle: 500W(ER11) Laser: 5.5W/10W Optional Power Supply: 48V 500W Supported System: Windows XP/ Win 7/ Win 8/ Win10 Suitable for material: CNC: Wood, Aluminum, Copper, Acrylic, PVC, Nylon, Epoxy Resin, Glass Fiber PCB, POM, Carbon Fiber Board…. Laser: Wood, Plastic, Anodized, Stainless steel(only can marking) 3018Plus3.0 Product Features 1. The installation of the control board eliminates the use of isolation columns, making it convenient for installation and use 2. The new generation of spindle wiring terminals are easy to use and not easy to loosen when pressing wires 3. Using a power supply bracket, the power supply can be fixed on the back of the machine 4. Z-axis travel is 78-80mm (with limit switch installed) 5. Use a new integrated limit switch to prevent the impact of metal debris on the false triggering of the limit switch 6. Greatly improved Z-axis strength 7. Convenient shipment and installation of semi-finished products, saving installation time 8. Adjusting the clearance structure of the screw nut and improving the carving accuracy 9. Auxiliary tools can sort out the spacing between slider nuts, making it convenient for machine assembly 10. Limit switch wires and motor wires are all custom lengths 11. Use tie straps to secure the base and trunking for easy wiring management