Plastic shredders are the key machinery to remove white pollution and realize the recycling of waste plastics. Special care must be taken in the face of such important machinery. Of course, it is necessary to avoid malfunctions and affect production. However, sometimes plastic shredders have some failures, so look at it. How to solve the most important motor failure?


How to solve the failure of the plastic crusher? Solution: regularly check and clean the lubricating oil system, measure the main motor bearing with a vibration measuring instrument and an infrared thermometer, and form a trend chart. If the alignment between the output shaft of the main motor and the input shaft of the gearbox is checked regularly, the alignment must be checked after the first drive or three months after the bearing is replaced. If the trend value is exceeded, determine whether the idling current value or power value of the main motor exceeds the specified value, and determine whether the bearing should be replaced.






Analysis of the reasons for the excessive torque of the main motor: failure of the oil lubrication system, poor alignment of the output shaft of the main motor and the shaft of the gearbox, motor and clutch vibration, etc. will damage the main motor bearings, resulting in excessive torque. Regularly check the heating and cooling system of the cylinder to ensure that the material is heated evenly and fully melted.


How to solve the failure of the plastic shredder? Conduct electrical testing to determine the cause of the rotor imbalance; perform a vibration speed test on the clutch, and readjust the dynamic balance if it exceeds the specified value. In addition, excessive feeding load or poor melting of the material will also cause the main motor torque to be too high. If the power curve of the main motor and the melt pressure curve increase momentarily when the extruder is started, it indicates that the feeding amount of the feeding system is too large momentarily, and the feeding amount should be reduced.


When you use it, you must frequently maintain and maintain the machine. Only in this way can the machine work better and extend its service life. Also replace the related damaged parts at the same time, otherwise it will further damage the machine, and the gain will not be worth the loss at that time!