Motorhuset Vital Protector til Railway Traction Motor Cover

Introduction of The Motor Cover Housing

Som “second skin” of the traction motor, the motor housing has evolved from a simple protective device to a composite carrier integrating materials science, thermodynamics, and intelligent sensing. This seemingly ordinary metal component is now writing the most technologically advanced evolutionary history in the field of rail transit.

jeg. The Feature of The Motor Cover Housing

Modern traction motor housings are formed using the low-pressure casting process with ZL114A aluminum alloy, a space-grade material. After T6 heat treatment, its tensile strength reaches 320 MPa, and the elongation rate remains stable at over 3.5%. In the actual application on the Shanghai-Nanjing High-Speed Railway, this material has enabled the housing components to reduce weight by 35% while increasing the fatigue life to 2.3 times that of traditional castings. The shell wall thickness design adopts bionic principles, with a uniform thickness of 12mm in the main area and an 18mm reinforcing rib network, forming an energy-absorbing structure similar to a turtle shell, successfully passing a static load test of 1500kN.

II. The Function of The Motor Cover Housing

Facing complex operating environments, the new housing builds a five-layer protection system: the outer layer undergoes micro-arc oxidation treatment to form a 30μm ceramic film layer, enhancing salt spray corrosion resistance by 70% sammenlignet med traditionelle processer; the middle layer’s gradient density structure effectively absorbs vibration energy below 2000Hz; the built-in copper-nickel alloy electromagnetic shielding layer reduces motor electromagnetic interference to below the EN 55011 Class B limit; the innovative aerogel insulation layer maintains structural integrity for 2 hours at 800°C; and the self-healing insulating coating on the inner surface automatically fills scratches up to 3mm.

III. The Management Systems The Motor Cover Housing

The breakthrough asymmetric heat dissipation structure has overturned traditional design concepts. The 45° inclined guide vanes and curved flow deflectors work together to increase airflow distribution uniformity by 42%. Field test data from a metro project show that under continuous climbing conditions, the motor temperature rise with this design is 18°C lower than that of traditional structures, with key part temperature differences controlled within ±4°C. More notably, the embedded phase change heat storage unit utilizes the latent heat characteristics of paraffin-based composite materials to maintain motor thermal balance for 15 minutes during grid fluctuations.

IV. The Parameter of The Motor Cover Housing

V. Service Innovation for the Motor Cover Housing

The modular design concept is reshaping the maintenance system. The use of quick-release interfaces for housing components has reduced on-site replacement time from 8 timer til 90 minutter. In the renovation project of Shenzhen Metro Line 11, the engineering team utilized augmented reality technology to quickly diagnose the status of internal components through positioning marks on the housing, increasing maintenance efficiency by 65%. Even more promising is the application of digital twin technology, where each housing generates a dedicated 3D model at the factory, enabling precise prediction of remaining service life.

Virksomhedsprofil

Luoyang Fonyo Heavy Industries Co., Ltd. blev grundlagt i 1998, dækker et område på 72.600㎡, med mere end 300 medarbejdere, 32 teknikere, inklusive 5 senioringeniører, 11 assistentingeniører, og 16 teknikere. Det er blevet vurderet som Luoyang Engineering Technology Center, Luoyang Technology R&D Center, og National High-tech Enterprise i mange gange.

Vores produktionskapacitet er 30.000 tons om året. For tiden, vi producerer hovedsageligt støbt stål, støbejern (gråt jern, duktilt jern, osv.), bearbejdning af færdigt produkt og komponentmontage. Virksomheden producerer hovedsageligt dele og gearkassekomponenter til jernbanevogne til højhastighedstog, jernbanevogne, lokomotiver, personbiler, undergrundsbaner, miner, kul maskiner, petroleumsmaskineri, vindkraft, vandbesparelse, keramik, tekniske maskiner og andet udstyr. På samme tid, produkterne er blevet eksporteret til Rusland, USA, Tyskland, Argentina, Japan, Frankrig, Sydafrika, Italien og andre lande.

Ofte stillede spørgsmål

Q1: Er du producent eller handelsvirksomhed?
EN:Vi er en producent. Vores firma blev grundlagt i 1998, med næsten 30 år i støbeindustrien, et samlet areal på 72.600㎡, med et fabriksbygningsareal på 51.000㎡.
Q2. Hvad er dine vigtigste produkter?
EN: Vi fokuserer primært på stålstøbning, jernstøbning, bearbejdning af færdigt produkt, og komponentmontageproduktion.
Q3: Hvor præcision kan du producere støbedele?
EN: Vi har evnen til at producere støbedele med forskellige støbeprocesser. Produktionen er strengt i overensstemmelse med ISO 9001, ISO 14001 og ISO45001, EN15085, IRIS.
Q4. Kan du producere i henhold til prøverne?
 Ja, vi kan producere efter dine prøver eller tekniske tegninger. Vi kan også bygge tegninger til dig, efter at vi har fået dine prøver.
Q5: Hvordan laver du kvalitetskontrol før levering?
EN: Kvalitetsinspektion er en meget vigtig faktor for at garantere kvaliteten af ​​stålstøbedele. Vi følger efter 3 inspektionstidspunkter under hele produktionsprocessen. Og vi vil levere materialetestrapport, dimensionel prøvningsrapport, og mekaniske egenskaber test rapport til vores kunder før levering.

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