... 3high quality 4CE and ISO Cylinder cnc router with rotary attachment BD-1224 1 Technical parameter ... 50HzWorking modestepperCommandG code,HPGL,U00,mmg,pltOperating systemDSP(with separate operation cabinet)InterfaceUSBFlash Memory128MDiameter of cutterφ3 ... smooth operation, high precision, long life, the knife with precision steel seamless welding machine2. it really rigid deformation, ...