38crmoala screw and barrel

38crmoala 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/38crmoala-screw-and-barrel-10334556
Place of Origin:Jiangsu China (Mainland)Brand Name:chenxingModel Number:SJZmodel:38crmoala screw and barrel
Material:38CrMoAIACompressing ratio:according to the different productsL/D:25:1Surface treatment:metal treatment
Nitriding hardness:900~1020HVNitriding layer thickness:0.5~0.8mmTempering hardness:240~280HVSurface roughness:Ra 0.4m
Brand:chenxing   
38crmoala screw and barrel
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38crmoala 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.Following main technial standards:

ItemTwin screw and barrel
L/D25:1
Material38CrMoAIA
Tempering hardness240-280HV
Nitride layer thickness0.5-0.8mm
Nitride brittleness<= Grade 2
Surface RoughnessRa0.4m
Screw Straightness0.015mm

Note:The screw is via the heat treatment,nitriding treatment,high-frequency quenching,Spray-coating the bimetallic layer.

4.Picture for reference:

38crmoala screw and barrel
Packaging Detail:wooden packing
Delivery Detail:about 35 working days afrer receiving the deposit

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