| Kalite peman: | L/C,T/T |
| Incoterm: | FOB,CFR,EXW |
| Min. Lòd: | 300 |
| Transpòtasyon: | Ocean,Land,Air,Express |
| Port: | Ningbo,Shanghai |
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Brand: okenn
Origin: Ningbo
| Kalite pake | : | katon/palèt |
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Van Turbine Main arbr kote yo pote Lojman se yon eleman estriktirèl fondasyon nan orizontal-aks turbin van, ki responsab pou sipòte arbr a rotor ak transmèt chaj aerodinamik nan ankadreman an nacelle. Opere anba chaj siklik kontinyèl, varyasyon tanperati ekstrèm, ak kondisyon lavi sèvis 20+ ane, eleman sa a mande fòs eksepsyonèl fatig, estabilite dimansyon, ak solidité métallurgique.
Ningbo Ruican pwodui lojman sa a atravè depoze envestisman presizyon nan QT700-2 fè duktil, ki te swiv pa 5-aks CNC D 'nan sifas chèz kote yo pote kritik, modèl twou boulon, ak aliye interfaces. Manifakti entegre nou an asire trasabilite konplè soti nan matyè premyè rive nan eleman fini.
| Parameter | Specification |
|---|---|
| Material | QT700-2 (EN-GJS-700-2) ductile iron |
| Tensile Strength | ≥ 700 MPa |
| Yield Strength | ≥ 420 MPa |
| Elongation | ≥ 2% |
| Hardness | 225–305 HBW |
| Nodularity | ≥ 80% (Grade I–II per ISO 945) |
| Microstructure | Pearlite matrix with ≥ 80% nodular graphite |
| Parameter | Specification |
|---|---|
| Casting Process | Silica sol investment casting |
| Dimensional Tolerance | ISO 8062 CT5–CT7 |
| Surface Roughness | Ra 6.3–12.5 μm (as-cast); Ra 1.6 μm (machined) |
| Weight Range | 50–300 kg |
| Wall Thickness | 15–60 mm |
| NDE (Non-Destructive Examination) | UT per EN 12680-2, Level 2 |
| Parameter | Specification |
|---|---|
| Machining Tolerance | ±0.02 mm (bearing seat); ±0.1 mm (general) |
| Bearing Seat Roundness | ≤ 0.02 mm |
| Cylindricity | ≤ 0.03 mm |
| Surface Finish (bearing seat) | Ra 0.8 μm (ground) |
| Bolt Hole Position | True position ±0.05 mm |
| Machining Equipment | 5-axis CNC vertical machining center |
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