Causes of abnormal heating of engraving machine spindle

- Sep 28, 2017 -

This can happen to many users that the spindle motor became hot shortly after the engraving machine was started, and here is still heat after replacing the bearing.We can look for the reasons from the following points:

1. There is no water feed through the main spindle, or the cooling effect is not good.

2. What is the rated speed of the motorized spindle?The frequency converter must be consistent with the parameters of the motorized spindle.

3. There may be a problem with the coil. Heating has little to do with the bearing. If the bearing is broken, there will be abnormal sound, or stuck.

4. Bearing also has good and bad, quality is very important. In addition, it is necessary to cooperate with high temperature grease to be effective.

5. Check the working voltage and current of the motorized spindle.

6. The type of bearing is to distinguish between 6-series bearings or 7-series bearings. If it is the latter, pay attention to the installation method and the control of the clearance.

7. Feed a little and look, suddenly eat too much will cause too large radial load and then heat too fast.

8. The temperature of the cooling water should be less than 20 degrees to ensure cooling effect.

The main reason for the abnormal heating of the main spindle of the engraving machine is the above several, which can be checked according to the reason, so as to return to normal condition.


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