Detail Information For 80mm, L/D=35 Bi-Metal Screw and Barrel for LDPE Sheet Lamination Extrusion:
Application: for LDPE sheet lamination extrusion, material: Ldpe 7 mfi,nucrel,co polymers,ionomers,pp.
Customer's Requirement: good abrasive resistance
Screw's quality: bimetallic quality, 38CrMoAlA as base steel, 30% tungsten carbide powder will be added in to alloy layer.
Barrel's quality: OULIN-AR01 bimetal barrel
Detail Information For All Single Screw and barrel for Extrusion:
Main application: be used in extrusion for film, pipe, recycling, pelleting, sheet, profiles, rod and etc.
Specification:
Diameter: Ø20mm-Ø500mm
L/D ratio: 15-53
Base material :
SKD61
42CrMo
38CrMoAlA(JIS SACM645) from BAOSTEEL company.
Heat treatment:
Advance hardening and tempering
Nitriding treatment
Mid-frequency hardening
Technical Parameters:
Nitriding depth: 0.50mm-0.80mm  …