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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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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...
Mechanical principle of extruder screw barrel
01-11-2018
Water or a suitable liquid is added to the raw material powder and continuously stirred. The agitated material is extruded from a porous head or metal mesh at a high extrusion pres...
Structure and performance of flat double and conical twin screw
25-10-2018
Cone twin-screw extruder: two conical screws are horizontally arranged, and the two axes are inserted into the barrel at an angle. The center distance of the two axes gradually inc...

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