... cooling spindle , high precision , long lifetime , steady working , easy to start up . 2, Thicken square ... Adopt imported square orbit , double slippers . Bearing heavy ,working steadily , high precision , and long life time . ... , DSP controller system with USB interface , working withoutconnecting with computer during working and easy to control . 5, Software ... andlength 10cm. cnc-Woodworking Machinery