Casting Method: | Precision Casting |
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Process: | Lost Wax Casting |
Material: | Stainless Steel |
Surface Preparation: | Polishing |
Surface Roughness: | Ra3.2 |
Machining Tolerance: | +/-0.02mm |
Customization: |
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Aluminum alloy centrifugal fan impeller used for rail transit ventilation system, Fan impeller is finished by integral casting. And casting method of fan impeller is plaster low precessure casting, casting surface smoothness can meet Ra3.2μm.
The material of compressor impeller is aluminum A356. And all compressor impeller will do T6 heat treatment to imporve the mechanical properties of products. After T6 heat treatment mechanical properties can meet:
Tensile strength | ≥280MPa |
Yield strength | ≥220MPa |
Elongation | ≥3.5% |
Hardness | ≥HB85 |
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