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​Daily maintenance of twin-screw granulator

by:TENGDA     2023-02-06
The twin-screw granulator is mainly used for filling, blending, modifying, adding, chlorinating, processing of polypropylene and superabsorbent resin of rubber, plastic and engineering resin.
Daily maintenance and maintenance of twin-screw granulator
transmission system
1. Check the temperature rise of the motor and oil tank, whether the bearing is locally overheated, the abnormal noise of the motor and gear, oil leakage, oil filter, radial circular runout of the spline shaft and the contact gap with the end surface of the screw.
2. Regularly clean the oil filter and remove the dirt deposited at the bottom of the oil tank, and refuel the lubricating point regularly.
3. After the new gear transmission box runs 'run-in', it should be replaced with new oil, and after every 4000 hours of operation, it should be replaced with new oil.
Twin-screw granulator host
Check the smoothness of cooling water, temperature (generally ∠26°C), feeding conditions, cylinder temperature and pressure, and the wear and tear of the screw and cylinder.
Twin-screw granulator head
The size loss of the porous plate, the damage and corrosion of the flow channel surface, and whether there is clogging will affect the appearance and output of the product.
1. Check the operation of cooling water tank, vacuum pump, motor, etc., and whether there is leakage in each sealing part.
2. During the use of the separation tank in the vacuum system, there will be viscous matter left in the tank, so it needs to be stopped and cleaned regularly.
3. Cooling equipment and pipelines are required to be clean and clean, and there is no suspended impurities in industrial soft water. The water filter and water tank should be checked and cleaned regularly, kept clean, and replaced with new water.

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