Plastic extruder is a common plastic machinery. In the process of daily operation of the extruder, there are various failures in the extrusion machine, which affects the normal production of plastic machinery. Machine failure analysis.
Let's introduce its failure analysis:
1. Abnormal vibration: If this happens at the reducer, it is caused by the wear of the bearing and the gear. It can be replaced by a replaceable bearing or gear. If it occurs at the barrel, it is due to the mixing of hard foreign matter in the material. Check the material cleaning.
2. Abnormal noise:
(1) If it occurs in the reducer, it may be caused by damage to the bearing or poor lubrication, or it may be caused by gear wear, improper installation adjustment or poor meshing. It can be solved by replacing the bearing, improving the lubrication, replacing the gear or adjusting the meshing condition of the gear.
(2) If the noise is a sharp scraping sound, the position of the barrel should be considered to be skewed, which may cause the shaft head and the transmission sleeve to be scraped. Can be solved by adjusting the barrel.
(3) If the barrel emits noise, it may be a screw bending broom or setting the temperature too low to cause excessive friction of solid particles. It can be handled by straightening the screw or increasing the set temperature.
