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Solutions of extruder cylinder damages

Aug 23,2016

There are three common occasions of extruder cylinder damages, please see the following details.


1. The temperature of motor is too high. 

reasons: 

a. poor bearing lubrication 

b. serious bearing wear-off

solution: check the motor bearings of extruder cylinder, replace if necessary and add lubricant. 


2. The extrusion amount suddenly drop a lot. 

reasons: 

a. There is a problem with feed hopper system or no material in the hopper. 

b. Hard substance may be stuck in screw extrusion system so that the material can not pass.

solution: check the hopper feed system or the material level and clean up extrusion system. 


3. The main current is not stable.

reasons: 

a. One of heater is damaged. 

b. The screw is not adjusted rightly. 

solution: make sure the heater work normally, replace the heater if necessary. Check the screw of extruder cylinder if adjusted all right.


extruder cylinder

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