Extruder screw and barrel for PVC

Name: Extruder screw and barrel for PVC
Brand: Ningbo Cowell Industry Co.,Ltd.
Rating: 4.2 (17 reviews)

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Model No. :	HYJCJ
Brand Name :	COWELL
Type :	Pipe Extruder
Plastic Processed :	PVC
Product Type :	Extrusion Molding Machine
Feeding Mode :	One Feed
Screw :	Twin-Screw
Heat Treatment Of Screw :	Nitriding 96 Hour
Hardness Of Bimetallic Layer :	HRC 62-64
Nitrated Layer Of Screw :	0.5-0.8mm
Bimetallic Layer Thickness :	2-4 Mm
Surface Roughness :	Ra 0.4um
Fragility Of Nitration :	Less Than Grade 1
Means Of Transport :	By Sea Or By Air
Delivery Date Of Goods :	25-30 Days
Package Of Screw Barrel :	Ply Wood Case
Hardness Of Nitration Layer :	HRC 56-58

10yrs

Ningbo, Zhejiang, China

Manufacturer
OEM service

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Product description

Screw barrel for Engel injection molding machine

Specification:
For screw:   Dia. 15-300 mm   Length 300-9000 mm   L/D ratio: 15-50
Fro barrel:   Dia. 30-500 mm   Length 300-8000 mm

Material Available:

Nitriding Steel: 42CrMo, 38CrMoALA, etc

Cool work steel: D2, SKD61, 9Cr18MoV etc.

Heat resistant steel: SKH51, GH113 etc.

Technical Index

Steel Material	38CrMoALA,SKD61.,D2 etc.
Hardness after Hardening&Termpering	HB240-280
Nitriding Treatment	≥ 96 hours
Surface Hardness	58-64 HRC
Nitrided layer depth	0.5-0.8mm
Surface Roughness	Ra0.4
Screw Straightness	0.015mm
Chromium-Plated Surface Hardness after nitriding	≥900HB
Chromium-Plating Layer Thickness	0.05-0.10 mm
Bimetallic Layer Hardness	50-65 HRC
Depth of Alloy Layer	0.8-2.0 mm

Grade	Material	Process
Standard grade	38CrMoAlA	Nitriding 96 hours
Bimetallic grade	38CrMoAlA	HP/HVOF
TC-A grade	Tungsten carbide 40%	Centrifugal casting
TC-B grade	Tungsten carbide 25%	Centrifugal casting
TC-C grade	Tungsten carbide 10%	Centrifugal casting

Nitriding Steel:	42CrMo, 38CrMoALA, etc
Cool work steel:	D2, SKD61, 9Cr18MoV etc.
Heat resistant steel:	SKH51, GH113 etc.