Railway Part WY100C-03-00 Cast Steel Gearbox Housing

Description of Railway Gearbox Housing

The rail vehicle gearbox is a crucial component in the drivetrain of trains, trams, and other rail-based transportation systems. It serves to transmit power from the traction motor to the wheels, converting high-speed, low-torque input from the motor into lower-speed, higher-torque output suitable for driving the heavy loads of rail vehicles. This ensures efficient and smooth operation across various speeds and terrains.

Rail vehicle gearboxes are typically designed to withstand extreme conditions, including heavy loads, frequent starts and stops, and exposure to harsh environmental factors such as dust, moisture, and temperature fluctuations. They are often constructed with high-strength materials like alloy steels and feature precision-engineered gears, bearings, and shafts to ensure durability and reliability. Common types of gearboxes used in rail vehicles include parallel shaft gearboxes and planetary gearboxes, with the latter being favored for their compact design and high torque capacity.

The Parameter of Rail Vehicle Gearbox Housing

Material	High strength cast iron (GGG40)/Cast steel (EN-GJS-400)/Aluminum alloy
Gear Type	Helical gear/planetary gear/hypoid gear
Heat Treatment Process	Carburizing/nitriding treatment (tooth surface hardness ≥58 HRC)
Seal Design	Multistage labyrinth seal + fluoro rubber oil seal (IP67 protection)
Rated Input Torque	5000-20000 Nm (depending on model)
Transmission Ratio Range	3:1 – 10:1

Function of a Rail Vehicle Gearbox Housing

1. Power Transmission

The gearbox transfers torque from the traction motor to the locomotive’s axles and wheels.

2. Speed Reduction

It can reduce the speed of the traction motor.

3. Load Distribution:

The gearbox distributes mechanical loads evenly across the drivetrain.

The gearbox is the core component of the power bogie of a high-speed EMU, the core unit of energy conversion and transmission of the high-speed EMU, and the iconic product of the National 12th Five-Year Science and Technology Research Plan. The performance of the gearbox directly affects the safety and reliability of the high-speed train operation and is one of the keys to the high-speed train running at world speed.

In order to ensure the safe operation of the EMU, the EMU gearbox should have the main performance requirements of high speed, wide environmental adaptability, lightweight, long life, high strength, high reliability, and convenient use and maintenance.

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 railway gearbox component assemblies for high-speed rail, locomotives, passenger cars, subways, mines, coal machines, petroleum machinery, wind power, water conservancy, ceramics, engineering machinery and other equipment. 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