Maintenance of CNC vertical lathe is an important measure to ensure its performance and life. The following are some common CNC vertical lathe maintenance methods:

1. Cleaning and lubrication: Regularly clean the external and internal parts of the CNC vertical lathe, especially the easily polluted parts such as guide rails, lead screws and sliders. Lubricate with an appropriate lubricant to maintain smooth movement of all parts. Regularly change lubricant and filter elements according to manufacturer's recommendations.
2. Focus on the electrical system: Check the electrical system of the CNC vertical lathe, including lines, connectors, controllers and sensors. Make sure the power supply is stable, the connections are tight, and the sensors and control modules are working properly. Regularly check and clean the controller and electrical modules to prevent the accumulation of dust and dirt.
3. Check and calibrate the accuracy: Regularly check the machining accuracy of the CNC vertical lathe, and make corrections as needed. Check the running accuracy, positioning accuracy, tool cutting force and motion accuracy of each axis of the spindle. If deviations or problems are found, adjust and calibrate in time.
4. Tool management: reasonable management and maintenance of tools, including regular inspection of tool wear and damage, and replacement and grinding. Use the correct coolant and cutting fluid to cool and lubricate your tools to prevent overheating and wear.
5. Regular maintenance: According to the manufacturer's suggestion or maintenance manual, make a regular maintenance plan. This may involve routine maintenance tasks such as bearing cleaning and lubrication, belt replacement, filter replacement, etc. Ensure that maintenance is performed on time and that maintenance operations are documented.
6. Training operators: Ensure that operators of CNC vertical lathes receive appropriate training and understand basic operation and maintenance knowledge. They should know how to properly operate CNC systems, tool changes, safe operations, etc., and be able to identify common problems and failures.

To sum up, regular cleaning and lubrication, focusing on electrical systems, checking accuracy, managing tools, regular maintenance, and training operators are important measures for maintaining CNC vertical lathes. Following the manufacturer's guidelines and recommendations, performing scheduled maintenance, and maintaining good operating practices can ensure the performance and longevity of your CNC vertical lathe.