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How to repair the side of tungsten steel grinding wheel of small grinder
What is not round can be considered from the following points:

1. The model of centerless grinder is too large, which is not suitable for your product with this specification and diameter.

2. The product has poor coaxiality before grinding,

3. Check the height of the center of the workpiece, and adjust the height of the center according to the product, which is generally higher.

4. Check the guide wheel to see if the trimming problem causes the guide wheel to be out of round.

5. Check the grinding wheel dressing to see if the grinding wheel dressing is not sharp because the diamond pen is dull.

6. Check whether the guide wheel is loose.

7. Consult the grinding wheel manufacturer to see if the grinding wheel matches the workpiece material. This problem will also occur if the grinding wheel cannot grind the workpiece and the appearance of the workpiece is not good. If it is an old machine tool, you can check the clearance between the lower idler shaft and the grinding wheel shaft.

Check which project has a problem and deal with it accordingly.