Excessive temperature of the guide bearing may be a common problem in the operation of CNC lathes, and some measures need to be taken to solve it. Here are some suggestions:

1. Lubrication system inspection:

Ensure the normal operation of the CNC lathe lubrication system. Check the quality and level of the lubricating oil, make sure the lubricating oil is clean and replace it in time. Keeping the lubrication system functioning properly is critical to keeping bearing temperatures down.

2. Choose the appropriate lubrication method:

CNC lathes choose appropriate lubrication methods based on the working environment and bearing type, such as oil immersion lubrication, circulating oil lubrication or grease lubrication. Make sure the lubrication method matches the operating needs of the CNC lathe.

3. Check the bearing status:

CNC lathes regularly check the status of the guide bearings, including whether the bearings are worn, damaged or have foreign matter. If there is a problem, replace or repair the bearing in time.

4. Bearing preload adjustment:

CNC lathe checks the preload force of the bearing to ensure that the preload force is within the appropriate range. Too tight or too loose preload may cause the bearing temperature to rise.

5. Reduce cutting load:

Consider reducing the cutting load of CNC lathes and optimizing processing parameters to reduce the bearing load of CNC lathes during operation.

6. Moderately reduce the feed speed:

Reducing the feed speed of a CNC lathe can reduce friction and bearing loads, thereby lowering bearing temperatures. However, it should be noted that too low a feed speed may affect processing efficiency.

7. Ambient temperature control:

Consider improving the working environment where the CNC lathe is located to ensure that the ambient temperature is appropriate. High temperature environments will increase the operating temperature of bearings.

8. Clean bearings and guide rails regularly:

Regularly clean CNC lathe bearings and guide rails to prevent dust and cutting oil contamination from increasing friction and causing temperature rise.

10. Check bearing clearance:

If the CNC lathe bearing clearance is too large or too small, it may cause the bearing temperature to rise. Check and adjust bearing clearance regularly according to manufacturer's requirements.

11. Temperature monitoring system:

The CNC lathe is equipped with a temperature monitoring system to monitor the temperature of the guide bearing in real time. When the temperature rises abnormally, take timely measures for maintenance.

If the problem of excessive guide bearing temperature persists, it is recommended to contact the equipment manufacturer or professional maintenance personnel for detailed inspection and maintenance.