Measures to solve the unstable current of the main machine of plastic extruder


Ningbo Fangli Technology Co., Ltd. is a mechanical equipment manufacturer with nearly 30 years’ experiences of plastic pipe extrusion equipment, new environmental protection and new materials equipment. Since its establishment Fangli has been developed based on user’s demands. Through continuous improvement, independent R&D on the core technology and digestion & absorption of advanced technology and other means, we have developed PVC pipe extrusion line, PP-R pipe extrusion line, PE water supply / gas pipe extrusion line, which was recommended by the Chinese Ministry of Construction to replace imported products. We have gained the title of “First-class Brand in Zhejiang Province”.



Reasons for the unstable current of the main machine of plastic extruder:

(1) Uneven feeding.

(2) The main motor bearing is damaged or poorly lubricated.

(3) A section of heater fails and does not heat.

(4) The screw adjusting pad is wrong, or the phase is wrong, and the components interfere.



(1) Check the feeder and eliminate the fault.

(2) Repair the main motor and replace the bearing if necessary.

(3) Check whether each heater works normally, and replace the heater if necessary.

(4) Check the adjusting pad, pull out the screw and check whether the screw interferes.


If you need more information, Ningbo Fangli Technology Co., Ltd. welcomes you to contact for a detailed inquiry, we will provide you with professional technical guidance or equipment procurement suggestions.


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