rubber screw and barrel 1.best solution for screw design 2.bimetallic coated screw and barrel increase life 3.High Quliaty

rubber screw and barrel

Zhejiang Titan Machinery Co.,Ltd  is a professional manufacturer of producing high quality screw and barrel.Titan have more than ten years of experience to cooperate with foreign customers.

rubber screw and barrel

Technical parameter:Nitrided layer depth:0.7mmBimetallic layer depth:3mmSurface hardness:950HVNitrided brittleness: Less than grade 1Surface roughness: Ra0.4Linearity of screw: 0.015mm

Following main technial standards:

Item	Twin screw and barrel
L/D	25:1
Material	38CrMoAIA
Tempering hardness	240-280HV
Nitride layer thickness	0.5-0.8mm
Nitride brittleness	<= Grade 2
Surface Roughness	Ra0.4m
Screw Straightness	0.015mm
Note:The screw is via the heat treatment,nitriding treatment,high-frequency quenching,Spray-coating the bimetallic layer.

rubber screw and barrel

Process

Laser Coating Tungsten Carbide PTA Melt-Welding Alloy Centrifugal Mould Bimetallic Alloy Advanced nitrogen oozes handicraft Vacuum Quenching Titanizing Nickel Plating Chorme Plating

rubber screw and barrel

rubber screw and barrel for extruder in rubber & plastics