PVC Pipe Extrusion screw barrel from China manufacturer - Zhoushan Weida Machinery Co., Ltd.

Price:	1.0~1000.0 USD
Payment Terms:	T/T,L/C,
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: WD67

Production Capacity: 500 sets per month

Delivery Date: 30 days

material: 38CrMoALA ,SACM645,SKD61

Surface Hardness Degree: 58-64 HRC

Means of Transport: Ocean,Air,

Packing: wooden case

Brand Name: WEIDA

Screw Straightness: 0.015mm

Bimetallic Layer Hardness of screw barrel: 50-65HRC

nitriding, bimetallic, chrome,
long life for using , high quailty alloy steel
screw and barrel for extruder,such as inflation film manufacturing

Specification of screw barrel:
we can screw and barrel according to your drawing, design, requirment , our screw and barrel is your best choose.
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

Material Available

Nitrided Steel	42CrMo,38CrMoALA,etc.
Cool Work Steel	D2,SKD61,9Cr18MoV etc.
Heat Resistant Steel	SKH51, GH113 etc.

Working Process :

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

1.rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.

2.high-quality products----We adopt a series of advanced production and processing equipments such as CNC machines , Stellite PTA welding machines to ensure the quality of our products
PVC Pipe Extrusion Line screw and barrel