Daily maintenance of CNC system, what is CNC system, how to deal with the failure of CNC system, maintenance of CNC system, troubleshooting of CNC system, troubleshooting of CNC system, how to prevent the failure of CNC system

Daily maintenance of CNC system, what is CNC system, how to deal with the failure of CNC system, maintenance of CNC system, troubleshooting of CNC system, troubleshooting of CNC system, how to prevent the failure of CNC system