Harden Industries Ltd.
Main products:Shredder,EPS Compactor,Extruder,Compounder,Lab Machinery
Products
Contact Us
  • Contact Person : Ms. Tu Ciwen
  • Company Name : Harden Industries Ltd.
  • Tel : 86-20-87566110
  • Fax : 86-20-87569190
  • Address : Guangdong,Guangzhou,Suite 705, Tianghedong Rd. 242#
  • Country/Region : China
  • Zip : 510625

Single Screw and Barrel

Single Screw and Barrel
Product Detailed
Single screw and barrel are used in extrusion process. Product with carefully choosing the design (barrier, maddock, spiral).

Single Screw and Barrel Ranges: 

 Screw Diameter:

 15mm -300mm

 Screw Length:

 L/D ratio 15 - 46

Single Screw and Barrel Technical Specifications:

 Steel Material DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
 Heat Treatment Nitride depth: 0.7 mm - 0.9 mm

Surface hardness: 

 HV900 - HV1,000

Chromate plating: 

 Thickness 0.05 mm - 0.10 mm, hardness HV950

Special treatment: 

 Carbide coating on screw flight and bimetallic barrel
 Screw straight tolerance 0.015 mm/m
 Surface roughness Ra 0.4μm

Single Screw and Barrel



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