The motor power supply of the 200-ton pebble sand making machine is sometimes unstable during operation. The main reasons are as follows:

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Voltage plays a key role in the startup and production process of the sand making machine because it is the main source of the motor driving force. The normal operation of the motor is crucial to the production efficiency of the sand making machine. When the motor is abnormal, it often directly affects the production of the sand making machine. In order to reduce or avoid this abnormal phenomenon, we need to have a deep understanding of the cause of the motor abnormality. Among them, unstable power supply is an important factor leading to motor abnormality. Analyzing the cause of unstable power supply is of great significance to ensure the stable operation of the sand making machine and improve production efficiency.

Regarding the harm caused by unstable motor power supply to the sand making machine, it has been mentioned above-difficult to start or insufficient production power, no matter which one will cause adverse effects on production, so it is very urgent to find the cause of unstable power supply, and there are many reasons for this phenomenon. Common reasons include motor circuit failure, severe wear of gears and horizontal cylinder liner, loose feeder, excessive discharge concentration, and poor spindle lubrication. Now that the cause of the fault has been found, it is necessary to solve it according to different reasons.

The solution is mainly based on different reasons, as follows: If the phenomenon is caused by poor bearing lubrication, it is necessary to add lubricating oil to the bearings of the sand making machine and ensure the periodicity of lubrication; if the unstable power supply is caused by wear of gears and horizontal cylinder liners, it is necessary to adjust and replace the gears and liner devices; if the unstable power supply is caused by the feeder, the feeder needs to be adjusted; if the phenomenon is caused by a motor circuit failure, it needs to be checked and eliminated, but eliminating the motor failure of the sand making machine is only one aspect, and its maintenance is also very important.