Introduction of Railway Castings Locomotive Bearing Seat

In modern rail transit system, railway castings bearing seat, which is the core of the bogie system bearing components, its performance fit and unfit quality directly related with vehicle running safety and economy. This precision component, made of high-strength alloy, plays a quiet but critical role in the field of rail transit through the perfect combination of structural design and material science.

Mechanical Structure of Locomotive Bearing Seat

Well bearing mechanical structure finite element optimization design of box structure, stress distribution optimization by topological optimization method. The main material of this railway castings bearing seat is ASTM A536 ductile iron, and the yield strength is above 450MPa, with the internal reinforcement network layout forming a three-dimensional bearing system. Specially designed flange contact surface by high-frequency quenching treatment, the surface hardness of HRC55-60 effectively resists wheel-rail alternating load caused by fretting wear. Under the extreme condition of the full load of 60 tons of axle load, the elastic deformation threshold can still be maintained within 0.15mm.

Functions of Railway Castings Locomotive Bearing Seat

(1)With innovative chamber damping structure, through the compound configuration hydraulic buffer layer and the rubber shock absorber,it can realize cascade dissipation of vibration energy. Experimental data show that 72% of vertical vibration and 58% of lateral swing can be reduced at 350km/h. The original temperature-sensitive compensation mechanism has a built-in shape memory alloy element, which can automatically adjust the fit clearance in the environmental range of -40 ° C to +120 °C, ensuring that the bearing clearance is always stable in the golden range of 0.05-0.12mm.

(2)the protection system in the whole life cycle of five composite sealing systems constitutes a solid defensive line: the outer labyrinth dust ring can intercept more than 98% of PM10 particles; The middle layer MHD seal effectively insulates water vapor penetration; The nano-ceramic coating at the core provides permanent protection against adhesion. The integrated intelligent lubrication module is equipped with an oil storage sac and a capillary oil guide tank, which realizes self-supply lubrication through the centrifugal force generated by the rotation of the wheel shaft, ensuring a maintenance-free operation cycle of 80,000 chilometri.

Features of Railway Castings Locomotive Bearing Seat

(1)With triple protective coating systems and enhancing the environmental adaptability design surface contains 80 microns thermal spray zinc layer, epoxy zinc-rich primer and polyurethane paint; Dopo 3000 ore, salt spray test remains 9th anti-corrosion class. The bionic design of the bottom drainage diversion channel is adopted, and the micro-structure principle of the lotus leaf surface is used for reference so that the rainwater discharge efficiency is increased by 40%. According to the operation requirements of the high cold area, the low-temperature ductile modified materials are specially developed, and the Charpy impact energy remains above 27J at -50℃.

(2)The intelligent monitoring interface reserved M12 air interface supports a variety of sensors to expand access can the real-time acquisition of multi-dimensional data such as temperature, vibration and stress. The built-in LoRa wireless transmission module enables operation and maintenance personnel to obtain equipment health status within 15 metri. Through machine learning algorithms, the intelligent diagnosis system can warn potential failures 2,000 chilometri in anticipo, reducing maintenance costs by 65% compared to traditional detection methods.

Developments of Railway Locomotive Bearing Seat

The integration of mechanical engineering essence and intelligent monitoring technology of bearing systems are reshaping the reliability of rail transit equipment standards. From transcontinental heavy-haul freight trains to urban subway networks, from tropical humid environments to polar tundra, its stable performance demonstrates the power of modern industrial design. With the deep application of digital twin technology, a new generation of self-sensing bearing seats has begun a pilot application, indicating that rail transit equipment is moving towards a new era of intelligent predictive maintenance.

Parameter of Railway Locomotive Bearing Seat

Package of Railway Locomotive Bearing Seat

Polisacco+scatola di cartone+caso/pallet di legno, secondo la richiesta del cliente

Luoyang Fonyo Heavy Industries Co., Ltd. è stata fondata nel 1998, copre un'area di 72.600㎡, con più di 300 dipendenti, 32 tecnici, compreso 5 ingegneri senior, 11 ingegneri assistenti, E 16 tecnici. È stato classificato come Centro tecnologico di ingegneria di Luoyang, Luoyang Tecnologia R&Centro D, e impresa alta tecnologia nazionale per molte volte.
La nostra capacità produttiva è 30,000 tonnellate all'anno. Attualmente, produciamo principalmente acciaio fuso, ghisa (ferro grigio, ferro duttile, ecc.), lavorazione del prodotto finito e assemblaggio di componenti. I prodotti sono stati esportati in Russia, gli Stati Uniti, Germania, Argentina, Giappone, Francia, Sudafrica,Italia e altri paesi.

Domande frequenti

Q1: Sei un produttore o una società commerciale?
UN:Siamo un produttore. La nostra azienda è stata fondata nel 1998, con quasi 30 anni nel settore della fusione, una superficie totale di 72.600㎡, con un'area edificabile di 51.000㎡.
Q2. Quali sono i vostri prodotti principali??
UN: Ci concentriamo principalmente sulla fusione di acciaio, fusione di ferro, lavorazione del prodotto finito, e produzione di assemblaggi di componenti.
Q3: Con quanta precisione puoi produrre parti di fusione?
UN: Abbiamo la capacità di produrre parti di fusione con diversi processi di fusione. La produzione è rigorosamente conforme alla norma ISO 9001, ISO 14001 e ISO45001,EN15085, IRIS.
Q4. Puoi produrre secondo i campioni?
 SÌ, possiamo produrre dai vostri campioni o disegni tecnici. Possiamo costruire disegni per te anche dopo aver ricevuto i tuoi campioni.
Q5: Come si effettua il controllo qualità prima della consegna??
UN: Il controllo di qualità è un fattore molto importante per garantire la qualità delle parti in fusione di acciaio. Seguiamo 3 tempi di ispezione durante l’intero processo produttivo. E forniremo un rapporto sui test dei materiali, rapporto di collaudo dimensionale, e rapporto sui test delle proprietà meccaniche ai nostri clienti prima della consegna.

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