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ZHOUSHAN QUNYING PLASTIC MACHINERY MANUFACTORY is professional

China Screw And Barrels Manufacturers and PVC Screws Barrels Wholesalers

,we manufacture extruder screw barrel, injection screw barrel, parallel twin screw barrel, conical twin screw barrel, rubber screw barrel, bimetallic screw barrel,PVC Screws Barrels and other various types of screw barrel. At present, Qunying SCREW have a professional design experienced production team. We are located in east of Zhoushan city, zhejiang province, close to Shanghai, Ningbo port.
ZHOUSHAN QUNYING SCREW has strong technical force, equipped with advanced equipment and strict tests. Mostly products materials are selected from high quality powder alloy steel…

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Extruder screw barrel welding repair method?
16-11-2018
Maintenance method one In the oxyacetylene welding process, a violent flame is generated by igniting a controlled mixture of oxygen and acetylene gas. The gases are discharged from...
Common causes of damage screw and barrel for extruder
14-11-2018
1. The screw of the extruder rotates in the barrel, and the friction between the material and the two causes the working surface of the extruder screw and the barrel to wear gradua...
Is it necessary to use a special screw and barrel?
09-11-2018
1) Each plastic has an ideal plasticizing processing temperature range, and the barrel processing temperature should be controlled to be close to this temperature range. When the g...

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