Causes and Solutions for Vibration During Sand Making Machine Operation

The sand making machine is one of the key pieces of equipment in a sand and gravel aggregate production line, primarily used in the final stage of producing finished sand. If vibration issues arise during operation, it is essential to identify the root cause. Generally, vibration problems in sand making machines are often related to the rotor assembly, which is the core component of the machine. So, what are the causes of rotor vibration?

1. Foundation Issues When abnormal vibrations occur in the sand-making machine, the first step is to check whether the issue is caused by the foundation or anchor bolts. Regular inspections of these foundation-related issues should be conducted to prevent disruptions to production.

2. Check whether the rotor bearings and motor bearings are misaligned.

3. Material blockage: Material blockage can cause severe vibration. Therefore, it is necessary to check whether there is a material blockage issue. If there is a blockage, it should be cleared promptly. Additionally, to prevent such issues from occurring, strict control of feed material specifications is required.

4. Check whether other components on the rotor are balanced. Imbalance in other components can cause the rotor to become unbalanced and generate vibrations. When reversing the impact plates, to prevent the rotor from becoming unbalanced, all impact plates inside the crusher must be reversed simultaneously. Otherwise, severe vibrations may occur during operation. Additionally, during installation, ensure that the weight difference between corresponding pairs does not exceed 5g.

5. Damage to the rotor bearings, bearing clearance, or bearing failure can cause severe rotor vibration. The solution is to replace the bearings with new ones. During use, bearings should be inspected regularly and replaced promptly to avoid production delays.

6. Vibration issues are not exclusive to sand-making machines; they are also common in other crushing equipment. When addressing such issues, thorough inspections are essential, particularly for abnormal vibrations caused by wear or detachment of internal wear parts. Regular inspections and preventive maintenance are the foundation for ensuring production stability.

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