The reasons for the abnormal noise during the operation of the rubber extruder are as follows:

1. 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 achieved by replacing bearings, lubricating, replacing gears, or adjusting gear meshing conditions to solve.

2. If the noise is a sharp scraping sound, we should consider the position deviation of the cylinder, so that it is possible to scrape off the shaft head and the drive shaft sleeve. This problem can be solved by adjusting the cylinder.

3. If the cylinder makes noise, it may be that the screw bends and sweeps the cavity, or the temperature is set too low so that the friction of solid particles is too large. It can be handled by straightening the screw or increasing the set temperature.