... speed 5. Computer control CNC system CNC Glass Working Center/ LDKW1812 Characteristics: This machine adopts CNC system to control axis X, Y ... , Z and the main axis of the engraving machine. There is automatic control on lubrication, vacuum, hydraulic pressure, ... the function of protection and alarm. It is widely used in grinding, cutting, engraving, drilling and polishing glass and mirror. The ...