Conical Screw for blowing film extruder from China manufacturer

Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: WD 016

Production Capacity: 1 set

Delivery Date: 30 days

Nitrided Layer Thickness: 0.5-0.8mm

Nitriding Treatment Time: ≥ 96 hours

Means of Transport: Ocean,Air

Packing: wooden case

Brand Name: WEIDA

Nitrided Layer Hardness: 950-1020Hv

Steel Material: 38CrMoALA,SKD61,SKD11,D2 et...

Chromium-Plated Conical Screw for blowing film extruder
Advanced nitriding process
Diameter of screw:D12-D300mm
L/D ratio of screw:10-50

blowing film extruder twin conical screw

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

blowing film extruder twin conical screw

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