injection molding machine screw for PVC production

Min. Order:	1 Set/Sets
Payment Terms:	L/C, T/T
Supply Ability:	1 set
Place of Origin:	Zhejiang

Company Profile

Zhoushan Weida Machinery Co., Ltd.

Location:	Zhoushan, Zhejiang, China (Mainland)
Business Type:	Manufacturer
Main Products:	Conical Twin Screw Barrel, Parallel Twin Screw Barrel, Screws For Injection Machine, Injection Molding Machine Barrel, Extruder Machine Screw And Barrel

Product Detail

Model No.:	WD 041
Means of Transport:	Ocean, Air
Brand Name:	WEIDA
Standard grade:	38CrMoAlA + nitriding 96 hours
Depth of Nitrated Layer:	0.5-0.8mm
Production Capacity:	1 set
Packing:	wooden case
Delivery Date:	30 days

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Product Description

injection molding machine screw for PVC production

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

Working Process :

Raw Material → Quenching & Tempering → Rough Machining → Semi finish Machining → Finish Machining → Nitriding Treatment → Bimetallic Casting → Inspection → Finish Products

Technical Index

Steel Material	38CrMoALA,SKD61,SKD11,D2 etc.
Hardness after Hardening & Tempering	HB240-280
Nitriding Treatment Time	≥ 96 hours
Nitrided Layer Hardness	950-1020Hv
Nitrided Layer Thickness	0.5-0.8mm
Surface Roughness Degree	Ra0.4um
Surface Hardness Degree	58-64 HRC
Screw Straightness Degree	0.015mm
Chromium-Plated Surface Hardness After Nitriding	≥ 900HB
Chromium-Plating Layer Thickness	0.05-0.10mm
Bimetallic Layer Hardness	50-65HRC
Depth Of Alloy Layer	0.8-2.0mm

Grade List

Grade	Steel Material	Processing
Standard Grade	38CrMoALA	Nitriding 96 Hours
Bimetallic Grade	38CrMoALA	HP/HVOF Spraying
TC-A Grade	Tungsten Carbide40%	Centrifugal Casting
TC-B Grade	Tungsten Carbide25%	Centrifugal Casting
TC-C Grade	Tungsten Carbide10%	Centrifugal Casting