Jernbane støbejerns gearkasse: Høj styrke, Holdbar & Omkostningseffektive transmissionsløsninger

Overview of Railway Cast Iron Gearbox

Railway cast iron gearboxes are key components of railway vehicle transmission systems. Precision-cast from high-strength cast iron, they are designed specifically for the harsh railway operating environment. Compared to cast steel and other materials, cast iron gearboxes offer significant advantages in vibration and noise reduction, slidstyrke, and cost-effectiveness. They provide long-term, stable protection for gear transmission systems, ensuring efficient power transmission while reducing maintenance costs throughout their lifecycle.

Technical Specifications of Railway Cast Iron Gearbox

Features of Railway Cast Iron Gearbox

Excellent vibration and noise reduction performance

The microscopic graphite structure of cast iron effectively absorbs gear meshing vibrations, reducing operating noise by 15%-20% compared to cast steel gearboxes. It is particularly suitable for applications requiring high levels of quietness, such as urban rail transit.

Excellent wear resistance and self-lubrication

The graphite content in cast iron forms a natural lubricating layer, reducing gear wear and extending the service life by 10%-15% compared to cast steel gearboxes under equivalent operating conditions.

Economical and efficient manufacturing advantages

The mature cast iron casting process allows complex gearbox structures to be formed in a single step, reducing processing costs by 25%-30% compared to cast steel and lowering scrap rates.

Strong corrosion resistance

Cast iron is naturally resistant to atmospheric and chemical corrosion, making it particularly suitable for coastal environments, high humidity, and de-icing salt environments. It can achieve a 30-year service life without the need for additional anti-corrosion coating.

Excellent thermal stability

Cast iron dissipates heat evenly, resulting in 50% less thermal deformation than cast steel under continuous high-load operation, ensuring long-term, precise gear meshing.

Balanced Lightweight and High Strength

Duktilt jern (QT series) boasts a tensile strength exceeding 450 MPa, reducing weight by 15% compared to cast steel at equivalent strength, thereby reducing unsprung mass.

Application of Railway Cast Iron Gearbox

Heavy-Haul Freight

Leveraging cast iron’s wear resistance, it is suitable for heavy-haul railways such as the Daqin Line, with a single gearbox capable of withstanding torques exceeding 200 kN·m.

Operation in Cold Regions

Cast iron boasts superior low-temperature toughness to cast steel, maintaining excellent performance even at -50°C, making it a preferred option for severely cold regions such as Northeast China and Russia.

Urban Rail Transit

Leveraging cast iron’s vibration-damping properties, it effectively reduces noise pollution when subways/light rail transit pass through residential areas, with measured noise levels ≤75 dB.

Humid and Corrosive Environments

Using cast iron gearboxes on coastal railways and in tropical rainforests can prevent rusting of steel castings and reduce maintenance frequency.

Economical Railway Solutions

For cost-sensitive applications such as branch lines and dedicated lines for factories and mines, cast iron gearboxes offer the best value for money.

High-Speed EMU Auxiliary Drive Systems

Ductile iron gearboxes maintain strength while being lightweight, making them suitable for auxiliary power units in trains operating at speeds of 300 km/h and above.

Pakke af Jernbane støbejerns gearkasse

Polybag + Carton box+ Wooden case/Pallet, efter kundens ønske

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 færdigvare og komponentsamling til lokomotiv,jernbanevogn,højhastighedstog, mineudstyr,vindkraft,osv. Vores produkter 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 komponentsamlingsproduktion til lokomotiv, jernbanevogn, højhastighedstog, mineudstyr, vindkraft,osv.
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.

Hvis du er interesseret i alle produkter,er du velkommen til at kontakte os.
Kontakte: Stella Liu
E-mail:[email protected]
WhatsApp: +86-152-3615-7103