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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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How to remove the screw barrel
08-11-2019
The screws used in the injection molding machine and the extruder are similar in appearance. They are a cylindrical, long, threaded rod with a threaded groove. According to the thr...
$Injection molding machine screw fracture reason$

Injection molding machine screw fracture reason
01-11-2019
The screw fracture temperature also has a relationship, but it is rare. Almost all of the screw itself has poor toughness, or it has been used for a long time, and the screw is ref...
Instability of screw speed of injection molding machine
26-10-2019
The working speed of the screw of the injection molding machine is unstable and is affected by the following factors: 1. The transmission V-belt is seriously worn and slips during ...

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