The high temperature of CNC lathe guide rail bearings may be caused by many reasons. The following are some possible reasons and corresponding treatment methods:

reason:

1. Poor lubrication: Insufficient lubrication of CNC lathe guide rail bearings or poor lubricating oil quality may cause high temperatures.

2. Overload or inappropriate cutting parameters: If the lathe is subject to excessive load or the cutting parameters are improperly set, it will cause increased friction and heat up the bearings.

3. Damaged guide rail bearings: If the bearings of CNC lathes are damaged, such as wear or falling off, it will cause increased friction, which will lead to high temperatures.

4. Improper installation: The installation of CNC lathe bearings is not firm or appropriate, which may also lead to the accumulation of friction and heat.

5. The ambient temperature is too high: If the working environment temperature of the CNC lathe is too high, it may also cause the temperature of the guide rail bearings to rise.

Approach:

1. Check the lubrication system: CNC lathes ensure the normal operation of the lubrication system of the guide rail bearings, check the quality and oil level of the lubricating oil, and replace the lubricating oil in a timely manner.

2. Adjust cutting parameters: CNC lathes ensure reasonable cutting parameters, avoid lathe overload, and adjust cutting speed, feed rate, cutting depth and other parameters.

3. Check the status of the bearings: CNC lathes should regularly check the status of the guide rail bearings and replace them promptly if they are damaged to ensure the normal operation of the bearings.

4. Install the bearings correctly: CNC lathes ensure that the bearings are installed correctly and operate in strict accordance with the manufacturer's installation requirements to prevent unnecessary friction and wear.

5. Improve the working environment: If possible, improve the ventilation of the workshop and lower the ambient temperature to reduce the working temperature of the bearings.

6. Regular maintenance: CNC lathes implement regular maintenance plans to clean impurities on the guide rail bearings and keep them clean.

7. Use high-temperature bearings: If necessary, consider using bearing materials that can withstand high temperatures or lubricants with high-temperature resistance.

Taking the above factors into consideration, regular preventive maintenance is the key to ensuring the normal operation of CNC lathe guide rail bearings and preventing high temperatures.