... graphs making of straight lines and arcs, as large gantry cutting machine.It configures 5.7 inch LCD, dynamic and static graphic ... to learn and use, strong function;2. 16 bits high speed CPU, inside FLASH memory, outside USB interface;3. Save 30 ... , 1.8°stepper motor, smooth movement, low noise, high running precision;6. Electrical Clutches operation button, achieve rapid positioning;7. Thermostat ...