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Extruder: In the production process of extruder common fault analysis abnormal noise
source：www_jianhaojx_com.rqbzvi.cn Release time：2025-08-14 Return list
1) If it occurs in the reducer, it may be caused by bearing damage or poor lubrication, or it may be caused by gear wear, improper installation and adjustment or poor meshing. It can be solved by replacing bearings, improving lubrication, changing gears or adjusting gear meshing conditions.
(2) If the noise is a sharp scraping sound, the possibility of scraping the shaft head and the drive shaft sleeve should be considered if the position of the barrel is skewed. It can be solved by adjusting the barrel.
(3) If the barrel makes noise, it may be that the screw bends and sweeps the bore or the set temperature is too low, resulting in excessive friction of solid particles. It can be handled by straightening the screw or raising the set temperature.
Abnormal vibration
If this situation occurs in the reducer, it is caused by the wear of the bearing and gear, and the bearing or gear can be replaced. If it occurs in the barrel, it is because the material is mixed with hard foreign bodies, and it is necessary to check the cleanliness of the material.
(2) If the noise is a sharp scraping sound, the possibility of scraping the shaft head and the drive shaft sleeve should be considered if the position of the barrel is skewed. It can be solved by adjusting the barrel.
(3) If the barrel makes noise, it may be that the screw bends and sweeps the bore or the set temperature is too low, resulting in excessive friction of solid particles. It can be handled by straightening the screw or raising the set temperature.
Abnormal vibration
If this situation occurs in the reducer, it is caused by the wear of the bearing and gear, and the bearing or gear can be replaced. If it occurs in the barrel, it is because the material is mixed with hard foreign bodies, and it is necessary to check the cleanliness of the material.
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