Ningbo Xuhao Industry Co., Ltd.

China Manufacturer with main products: Injection Molding Screw Barrel, Twin Screw Barrel, Single Screw Cylinders, Bimetallic Screw Barrels, Rubber Screw Barrels, Screw Barrel for...

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Soft PVC extruder screw cylinders

FOB Price: 121.00 - 234.00 USD/Piece
Supply Ability: 1,000 Piece/Pieces per Month
Shipping: By sea,air,express
Payment Terms: L/C, D/A, D/P, T/T, Western Union
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China
Packaging Details: wooden box

Quick Details

  • Brand Name: xhscrewbarrel
  • Model Number: XH301

Specifications

Soft PVC extruder screw cylinders
Specification

Screw diameter: ?15-300MM   L/D:15-45
Barrel diameter:  ?25-500MM      Length:300-1000MM
Material
38CrMoAlA(JIS SACM645)
42CrMo(AISI 4140)
9Cr18MoV,stainless steel,etc
Screw Design:
The screw should be single flighted,constant pitch,with the pitch equal to the diameter and the
length equal to 24 diameters.It should be bored for cooling.Screw Flights should be flamehardened.
The screw should be AISI4140 chrome plated.Since flexible PVC compounds can cover a wide range of
hardnesses,the screw design and dimensions are less critial than for rigid pvc.

Mixing pins and other types of mixing sections are often incorporated in a screw design to enhance dispersion,espeically when adding concentrates to a naturalbased compound.Screws with mixing
pins typically have 12-14 flights in the metering section.

Barrier screws are still another type of design that can be used for extruding flexible PVC.
Parameter
Hard Chrome Plating treatment:
Thickness of Hard Chrome Plating Layer: 0.03-0.08mm
Hardness of Hard Chrome Plating Layer: ≥950HV

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