The reasons for abnormal noise in CNC vertical lathes may involve many aspects. Here are some possible reasons:

Wear, deformation or breakage of mechanical parts: During the operation of the CNC vertical lathe, due to friction and collision between the mechanical parts, long-term use may cause wear, deformation or breakage of the parts, resulting in abnormal noise.

Loose or broken connecting parts: Loose or broken connecting parts inside the CNC vertical lathe may also cause abnormal noise. For example, loosening of connecting parts such as bolts and nuts, or breakage of transmission shafts, bearings and other components may cause abnormal noise.

Spindle or motor problems: Problems with the spindle bearings of the CNC vertical lathe, or a short circuit failure in the three-phase power supply of the motor, may cause the CNC vertical lathe to make abnormal noises during operation.

Poor lubrication: If there is a problem with the lubrication system inside the CNC vertical lathe, such as insufficient lubricating oil or poor oil quality, it may also cause increased friction of mechanical parts, resulting in abnormal noise.

Encoder failure: The encoder of the CNC vertical lathe motor fails and loses pulses during operation, causing the motor to run unevenly and producing abnormal noise.

Installation and debugging problems: During the installation and debugging process of the CNC vertical lathe, if the operation fails to follow the specifications, the internal components of the CNC vertical lathe may be incorrectly positioned or improperly matched, which may lead to abnormal noises.

In order to accurately diagnose and solve the abnormal noise problem of CNC vertical lathes, experienced technicians are required to conduct a comprehensive inspection and analysis of the CNC vertical lathes. At the same time, regular maintenance and upkeep of CNC vertical lathes and timely discovery and handling of potential problems are also effective measures to prevent abnormal noise.