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Grinding problems of centerless grinder

The grinding problems of centerless grinder are as follows
1. If the workpiece roundness of centerless grinder is out of tolerance and the grinding wheel is not sharp, the characteristics and accuracy change law of the workpiece shall be mastered and the grinding wheel shall be trimmed in time.

2. If the roundness of workpieces of centerless grinder is out of tolerance, the guide wheel is not rounded or out of roundness due to too long working time, pay attention to timely trimming.

3. The workpiece of centerless grinder is in edge circle, and the imbalance between grinding wheel and guide wheel is too large. Rebalance the grinding wheel and guide wheel.

4. The workpiece straightness of centerless grinder is out of tolerance, and the grinding wheel is too soft during cut in grinding. Select a harder grinding wheel, pay attention to timely dressing, reduce the cut in feed and increase the number of smooth grinding.

5. If the cylindricity of the workpiece of centerless grinder is out of tolerance and is not well trimmed, adjust the position of the dresser according to the taper direction of the workpiece and re trim the grinding wheel.

6. The cylindricity of the workpiece of centerless grinder is out of tolerance, and the hardness of the grinding wheel is too low during cut in grinding. Select a harder grinding wheel, pay attention to timely dressing, reduce the cut in feed and increase the number of smooth grinding.

7. The cylindricity of the workpiece of centerless grinder is out of tolerance, and the grinding wheel and guide wheel have been worn and lost their original correct shape. Timely trim the grinding wheel and guide wheel to ensure the correct shape.

8. There are vibration marks on the workpiece surface of centerless grinder, the grinding wheel or guide wheel is unbalanced, and the grinding wheel or guide wheel is balanced

9. There are vibration marks on the workpiece surface of centerless grinder, and the hardness of grinding wheel is too high or dull. Correctly select the hardness of grinding wheel according to the material characteristics of workpiece, and trim the grinding wheel in time.

10. There are vibration traces on the workpiece surface of centerless grinder and the grinding wheel particle size is too fine. The grinding wheel should be selected correctly according to the characteristics of workpiece and grinding requirements and the characteristics of grinding tools and their selection rules.

11. There are vibration marks on the workpiece surface of centerless grinder, and the grinding wheel is too rough or too smooth. Select the correct dressing method and dosage according to the grinding requirements.

12. If the workpiece surface of centerless grinder is burned and the grinding wheel is trimmed too fine or blunt, select the correct dressing method and dosage according to the grinding requirements.

13. The workpiece surface of centerless grinder is burned and the hardness of grinding wheel is too high. The grinding wheel should be selected correctly according to the characteristics of workpiece and grinding requirements and the characteristics of grinding tool and its selection rules.

14. The workpiece surface roughness of centerless grinder is out of tolerance and the grinding wheel particle size is too coarse. The grinding wheel should be selected correctly according to the workpiece characteristics and grinding requirements and the characteristics of grinding tools and their selection rules.

15. The workpiece surface roughness of centerless grinder is out of tolerance, and the grinding wheel dressing is too coarse. Select the correct dressing method and dosage according to the grinding requirements.

16. The workpiece surface roughness of centerless grinder is out of tolerance, and the hardness of grinding wheel is too soft. The grinding wheel should be selected correctly according to the characteristics of workpiece and grinding requirements and the characteristics of grinding tool and its selection rules.

17. The workpiece size of centerless grinding is scattered, the newly trimmed grinding wheel is not sharp, and the diamond has been worn. The diamond shall be changed or replaced in time

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