When troubleshooting precision CNC lathes, you can follow the following steps:

1. Check the power supply and electrical components: Check whether the power cord of the dense CNC lathe is in good contact, check whether the fuse of the dense CNC lathe is blown, and check the power supply of the motor and driver.

2. Check the control system: Check whether the CNC system of the dense CNC lathe is running normally, including CNC controller, servo driver, encoder and other components, and check whether there are alarm messages or error codes.

3. Check the mechanical transmission system: Check whether the mechanical components such as the CNC lathe spindle box, ram, guide rail and transmission device are operating normally, and check whether there are any abnormal sounds or vibrations.

4. Check the lubrication system: Check whether the lubricating oil of the precision CNC lathe is sufficient, whether the lubrication pipeline is smooth, and ensure that all moving parts can be lubricated normally.

5. Check the cooling system: Check whether the coolant of the CNC lathe is sufficient and whether the cooling pump is operating normally to ensure effective cooling and lubrication during the cutting process.

6. Check the tool and workpiece clamping: Check whether the CNC lathe cutting tools are worn or damaged, check whether the workpiece clamping device is firm, and ensure that the tools and workpiece can operate stably during the processing.

7. Check the sensors and switches: Check whether the sensors and switches of the CNC lathe are working properly, including limit switches, proximity switches, etc., to ensure that the CNC lathe can correctly sense the position and status during the processing.

8. Check the program and parameter settings: Check whether the CNC lathe processing program and parameter settings are correct, and ensure that the CNC lathe performs processing operations according to the settings.

9. Other inspections: Depending on the specific situation, it may be necessary to inspect other components such as the pneumatic system and hydraulic system of the CNC lathe to ensure the normal operation of various functions and components of the CNC lathe.

When troubleshooting, you should investigate step by step according to the specific situation, pay attention to safe operation, and avoid further damage to the machine tool and workpiece. If the problem cannot be solved, it is recommended to contact the manufacturer or professional technicians for repair and processing in time.