screw and barrel for injection molding machine
Specification of screw barrel:
For screw: Dia. 15-300 mm Length 300-9000 mm L/D ratio: 15-50
For screw: Dia. 15-300 mm Length 300-9000 mm L/D ratio: 15-50
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 | Ra0.4um |
Surface Hardness | 58-64 HRC |
Screw Straightness | 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
screw and barrel for injection molding machine
