When repairing CNC vertical lathes, there are several key aspects that require special attention:

1. Fault diagnosis: First of all, the CNC vertical lathe must perform fault diagnosis, carefully check the fault location, and understand the specific situation of the fault. The CNC vertical lathe determines the specific location of the fault by observing changes in fault performance, sound, vibration, temperature, etc.

2. Safe operation: Ensure that CNC vertical lathe maintenance personnel are familiar with the operating procedures and follow the correct operating steps. Especially when disassembling and replacing parts, special attention should be paid to protecting other parts of the machine tool to avoid damage to other parts due to misoperation.

3. Choose the correct accessories: When replacing parts for a CNC vertical lathe, you should choose original accessories that meet the machine tool specifications to ensure that the replaced parts have reliable quality and performance. CNC vertical lathe avoids using inappropriate accessories that may cause new malfunctions or performance issues.

4. Debugging and testing: After replacing the components of the CNC vertical lathe, the machine tool needs to be debugged and tested to ensure that the parameters and functions of the machine tool meet standard requirements. This includes checking the accuracy, stability and normal functions of the CNC vertical lathe.

5. Record the maintenance process: After the CNC vertical lathe maintenance is completed, the maintenance process should be recorded in detail, including replaced parts, maintenance steps and problems found. This will not only help with the future maintenance of the CNC vertical lathe, but also help analyze the cause of the failure and avoid similar problems from happening again.

6. Cleaning and maintenance: After the CNC vertical lathe is repaired, the CNC vertical lathe should be cleaned and maintained to ensure the cleanliness and lubrication of the machine tool to extend its service life.

In addition, when repairing CNC vertical lathes, the electrical part of the machine tool should also be considered to ensure that the electrical connections of the CNC vertical lathe are correct to avoid failures caused by electrical problems. At the same time, CNC vertical lathe maintenance personnel should have certain electrical knowledge and skills to conduct electrical inspection and repair when necessary.

In general, repairing CNC vertical lathes requires caution, meticulousness, and correct operating procedures. Only in this way can we ensure the quality and efficiency of maintenance, while ensuring the normal operation of the machine tool and extending its service life.