Applicationt:
auto
Production Description:
We are a professional manufacturer of screw and barrel which has been in the line for many years,we can make all kinds of screw and barrel according to your requirments.
The conical twin screw and barrel for extruder in specifications of Dia.35-92MM
Abrasion resistant and corrosion resistant.
Material:High quality alloy steel
1)38CrMoAlA
2)9Cr18MoV
Technics:1)Heat-treatment
2)Nitriding treatment
3)Spray bimetallic-alloy coating
Technical parameter
Nitriding depth:0.50-0.80mm
Nitriding hardness:900-1000HV
Nitriding brittleness:Less than grade 1
Surface roughness:Ra0.4
Linearity of the screw:0.015mm
Hardness of the chrome plating after nitriding:More than 950HV
Chrome plating thickness:0.025-0.085mm
The conical twin screw and barrel for extruder that can strengthen the performance of the plastic products.