GEMD nozzle ring used for diesel locomotive turbocharger
1. casting range
1) nozzle ring
2) nozzle guide vane
3) axial turbine wheel and radial turbine wheel
4) air compressor wheel
5) isometric turbine blade
2. service feild.
1) marine and locomotive turbocharger
2) gas turbine and steam turbine parts
3) aviation turbojet engine
4) car and truck turbocharger
3.casting raw material
1) stainless steel, such as SS310S, SS304...
2) super alloy, ,IN713LC,IN718,IN738C...
3)aluminum alloy, 6061/7075/2A70 the macining type and C355,ZL101A for casting
4. test:
Non-destructive Testing
1)Visual Inspection
2) Surface Defect testing----- FPT Fluorescent Penetrant Testing
3) Inside Defecting Testing---- Radiography Testing
4)Size Testing----- Germany ZEISS CMM
Destructive Testing
1) Tensile Strength Test----- Room/High Temperature Tensile Testing Machine
2) Creep Strength Test-----Creep Tensile Testing Machine
3) Hardness Testing------ Rockwell Hardness Tester
4) Surface Grain Size Testing-----Metallography Testing
5) Chemical Composition ------Germany SPETRO Spectorgraph
5. our advantage in vacuum casting
1.Ten years Heat-resistant alloy Vacuum investment casting experience
2.Use pure silica sol processing to make the shell and choose America wax and Australian Zircon powder and sand.
3.Casting surface finishing degree is 1.6μm.
4.Strictly control and record the whole casting produce process , Promise every products our customer get is qualified.
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