| Nooca Bixinta: | L/C,T/T |
| Madadaalo: | FOB,CFR,EXW |
| Min. Dalbo: | 300 |
| Gaadiidka: | Ocean,Land,Air,Express |
| Port: | Ningbo,Shanghai |
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Brand: midna
Origin: Ningbo
| Nooca Xirmada | : | kartoon/pallet |
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Guryaha marawaxadaha dabaysha ee Main Shaft Bearing Housing waa qayb aasaasi ah oo ka mid ah marawaxadaha dabaysha ee dhidibbada toosan leh, oo mas'uul ka ah taageeridda usha rotor-ka iyo u gudbinta culaysyada hawada ee qaabka nacelle. Ku shaqaynta iyada oo si isdabajoog ah loo raraynayo, kala duwanaanshiyaha heerkulka aadka u daran, iyo shuruudaha nolosha 20+ sano ee adeega, qaybtani waxay doonaysaa xoog daal gaar ah, degenaansho cabbir, iyo dhawaaq bir ah.
Ningbo Ruican waxay soo saartaa guryahan iyada oo loo marayo shubista maalgelinta saxda ah ee QT700-2 birta ductile, oo ay ku xigto 5- dhidibka CNC ee dusha sare ee fadhiga muhiimka ah, qaababka daloolka boodhka, iyo isdhexgalka. Wax-soo-saarkeena isku-dhafan waxay hubisaa in si buuxda loo raad-raaco laga bilaabo alaabta ceeriin ilaa qayb dhammaatay.
| 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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