SJZ65 Conical twin screw and barrel

SJZ65 Twin screw and barrel, 1.Main used for the extruder convey, most important part, 2.Material:38CoMoLAIA,coating alloy, 3.CE - details see: https://www.machineto.com/sjz65-conical-twin-screw-and-barrel-10334683

Place of Origin:Jiangsu China (Mainland)	Brand Name:chenxing	Model Number:SJZ	model:screw and barrel
Material:38CrMoAIA	Compressing ratio:according to the different products	L/D:25:1	Surface treatment:metal treatment
Nitriding hardness:900~1020HV	Nitriding layer thickness:0.5~0.8mm	Tempering hardness:240~280HV	Surface roughness:Ra 0.4m
Brand:chenxing

Conical twin screw and barrel

1.The SJZ series screw and barrel,mainly used in the plastic manufacturing process,convey material,mixing.

2. It is the most important part of the extruder. The essential shaft of plastic pipe,profile,sheet extruding,and granule making machine.

3.Followingmain 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.