Steel Casting Traction Seat of Rail Vehicle Transmitting Component

Introduction to Traction Seat of Rail Vehicle

The traction seat of the rail vehicle, as the core force-transmitting component of rail transit equipment, can be regarded as the “central nervous system” of the train traction system. This precision component, made of high-strength alloy through casting, not only bears the heavy responsibility of force transmission but also is the key to ensuring the safe operation of the train. Under extreme working conditions of high speed and heavy load, the traction seat needs to conduct thousands of tons of power with millimeter-level precision. Its performance directly determines the traction efficiency and operational safety of the train.

The Design of The Modern Traction Seat

It can be regarded as a model of engineering mechanics. The special-shaped cavity structure constructed by using three-dimensional topology optimization technology not only ensures structural rigidity but also achieves the lightweight goal. Engineers discovered through finite element simulation that adding a 15° inclined wavy reinforcing rib at the traction seat rib plate can reduce the stress concentration coefficient by 37%. The layered structure of shells inspires this biomimetic design. While enhancing fatigue resistance, it controls the overall weight at 82% of the traditional structure. The contact surface treated by laser cladding has a wear resistance coefficient reaching the level of aircraft engine bearings, ensuring stable contact even in complex vibration environments.

The Breakthrough in Materials Science

It has brought a revolutionary upgrade to the traction seat. The latest developed nano-crystalline reinforced alloy has achieved a breakthrough in tensile strength by embedding silicon carbide nanowires in the metal matrix, exceeding the 2000 MPa mark. This “flexible and tough” composite material successfully withstood 2 million alternating load tests in laboratory simulation tests, with the crack propagation rate being two orders of magnitude lower than that of traditional materials. Combined with vacuum precision casting technology, internal defects of the components were controlled within φ0.2mm, meeting the standards of aerospace manufacturing.

Intelligent Transformation of The Modern Traction Seat

The implanted distributed optical fiber sensor network can monitor stress distribution in six dimensions in real-time. Combined with the edge computing unit, it can identify abnormal load patterns within 50 milliseconds. After applying this technology to a specific type of EMU, the traction system fault early warning time was successfully shortened to 72 hours, and the maintenance efficiency was increased by 40%. What is more noteworthy is the popularization of modular design. The traction seat modules with standard interfaces support rapid replacement, reducing the maintenance operation time from 8 hours to 90 minutes.

From the cast steel parts of steam locomotives in the past to the intelligent force-transmitting systems of today, the evolution history of the traction seat bears witness to the leap in rail transit technology. This mysterious component hidden beneath the train is silently safeguarding the safe arrival of every train with the power of technology. When we watch the departing trains from the platform, we may not notice these precise components, but they carry the most solid promise of modern transportation.

Materials	forged steel, cast steel,ductile iron，etc
Processing Craft	Drawings→ mould making → die casting →rough machining → CNC machining→surface treatment →product checking→ packing →delivery
Heat Treatment	Undergo heat treatment processes like quenching and tempering
Surface Treatment	Electroplating, Chrome Plating, Zinc Plating, Nickel plating, Electrophoresis, Anodization, Polishing, Sandblasting, Passivation, Powder coating, Spray painting, Etc.
Tolerance	± 0.02mm
Inspection	1.Foundry in-house: 100% inspection on critical dimension; 100% on appearance. 2.Third Party inspection available upon requirement
Certificates	ISO9001,ISO14001,EN 15085 and IRIS
Customization	OEM,ODM,Drawings,Samples
Package	Polybag+Carton box+Wooden case/Pallet, according to customer’s request
Shipment	By Sea/Train, or other method according to customer’s request
Paymenty Term	TT, West Union,L/C at sight

Company Profile

Luoyang Fenyo Heavy Industries Co., Ltd. was founded in 1998, covers an area of 72,600㎡, with more than 300 employees, 32 technicians, including 5 senior engineers, 11 assistant engineers, and 16 technicians. It has been rated as Luoyang Engineering Technology Center, Luoyang Technology R&D Center, and National High-tech Enterprise for many times.

Our production capacity is 30,000 tons per year. Currently, we mainly produce cast steel, cast iron (gray iron, ductile iron, etc.), processing of finished product and component assembly. The company mainly produces parts and railcar gearbox component assemblies for high-speed rail, railcars, locomotives, passenger cars, subways, mines, coal machines, petroleum machinery, wind power, water conservancy, ceramics, engineering machinery and other equipment. At the same time, the products have been exported to Russia, the United States, Germany, Argentina, Japan, France, South Africa, Italy and other countries.

FAQS

Q1: Are you a manufacturer or trading company?
A:Yes,our company was founded in 1998, with nearly 30 years in casting industry, a total area of 72,600㎡, with a factory building area of 51,000㎡.
Q2. What are your main products?
A: We primarily focus on steel casting, iron casting, finished product machining, and component assembly production.
Q3: How precision can you produce casting parts?
A: We have the capability of producing casting parts with different casting processes. The production is strictly comply with ISO 9001, ISO 14001 and ISO45001,EN15085, IRIS.
Q4. Can you produce according to the samples?
 Yes, we can produce by your samples or technical drawings. We can build drawings for you after we get your samples too.
Q5: How do you do Quality Control before delivery?
A: Quality inspection is a very important factor to guarantee the quality of steel casting parts. We follow 3 times of inspection during the whole production process. And we will provide material testing report, dimensional testing report, and mechanical properties testing report to our clients before delivery.

It you are interested in any products,please feel free to contact us.
Contact Mobile:008615515321683