HDPE/LDPE/LLDPE film blowing Machine Screw and Barrel

FOB Reference Price:Get Latest Price
US $100-10,000 / Set | 1 Piece/Pieces (Min. Order)
Supply Ability:
100 Piece/Pieces per Month parallel twin screw barrel
ningbo or shanghai
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Quick Details
Place of Origin:
Zhejiang, China (Mainland), Zhejiang, China
Brand Name:
shenglong screw barrel, Shenglong
Model Number:
screw barrel for extruder
Plastic Processed:
Screw Design:
Screw Design
barrel and screw for extruding machine:
barrel and screw for extruding machine
screw barrel for extruder:
screw barrel for extruder
Packaging & Delivery
Packaging Details
wooden case
Delivery Time
25 days


The screw an barrels are made of special nitro alloy steel nitrided with mirror finish. The barrel is honed or with spiral groov



1.Conical(parallel) twin screw& barrel

 Production scope:

 Conical twin screw and double holes cylinder Φ35/70~Φ92/178
Parallel twin screw and double holes cylinderΦ35/35~Φ250/250 




2.Screw & barrel for single screw extruder
  Production scope: Screw diameter Φ20~Φ500
  Maximum screw length 10,000mm
  Barrel inner bore diameter Φ500mm

3.Screw & barrel for injection molding machine

 Production scope: Screw diameter Φ20~Φ500
  Maximum screw length 10,000mm
  Barrel inner bore diameter Φ500mm


4.Assembly parts of screw & barrel

Technical data:

Depth of Nitrated Layer: 0.5-0.8mm          Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1      Surface roughness: Ra 0.4um 
Hardness of Cr-coating Layer: ≥950Hv      Thickness of Cr-coated Layer: 0.03-0.08m

Hardness of Bimetallic Layer: HRC55-72     Depth of Bimetallic Layer: >2mm