Orbital knowledge - MTJ

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2025

DATE

12 - 18

Main Types and Classification of Railway Bogies

The bogie is an independent component of a railway vehicle, with the number of connections between the bogie and the car body minimized as much as possible. The parameters of the bogie directly determine the vehicle’s running stability and ride comfort. The use of bogies in railway vehicles aims to

2025

DATE

12 - 04

Why Are Tram Wheels "Invisible"? Unveiling the Core Technology of Low-Floor Trams

Trams gliding through city streets appear to almost "float" on their tracks, with smooth, quiet carriages where wheels are rarely seen. This leads many residents to wonder: Do modern trams even have wheels? Of course they do. The real answer lies in low-floor technology and the unique structure of u

2025

DATE

11 - 20

AAR: The “Technical Cornerstone” of North American Railways And The Essential Standards You Must Know for Wheel Procurement

If you are engaged in railway equipment procurement or train wheel trading, the name AAR (Association of American Railroads) is a keyword you cannot avoid. Founded in 1876, AAR is the authoritative organization that formulates technical standards for North American railways, and its standards direct

2025

DATE

11 - 06

Bogie Expertise: A Guide to Core Functions & High-Performance Parts

As a professional supplier of railway components, we understand that reliable bogies and their core parts start with a deep technical foundation. Whether you are sourcing high-quality wheels, axles, frames, or complete bogie solutions, solid expertise is the basis for sound decision-making. This gui

2025

DATE

09 - 28

Train Wheel Flange Wear: Impacts, Risks, and Maintenance Standards

Wheel flange wear is a critical issue in railway maintenance, directly affecting operational safety and efficiency. Progressive wear can degrade vehicle performance and introduce significant safety hazards. Key Impacts of Excessive Flange Wear 1.Increased Derailment Risk · On Curves: Worn flanges r

2025

DATE

09 - 18

Railway Wheelset Assembly: Process & Standards

I. Importance of the WheelsetThe wheelset is a critical component of the bogie. Its functions include supporting the entire weight of the vehicle body, ensuring high-speed operation on rails, and withstanding multi-directional static and dynamic loads from both the vehicle body and the tracks. Given

2025

DATE

09 - 11

Passenger Train Wheels: Structure and Functions

Passenger train wheels are the ultimate load-bearing components of railway passenger cars. Their primary role is to transfer the load of the passenger car to the rails and to roll along them, enabling smooth operation. The condition of the wheels is one of the most critical factors influencing both

2025

DATE

09 - 04

Solutions for Freight Train Wheelset Failures

Freight train wheelsets are prone to tread damage, flange wear, and wheel rim cracks during long-term operation, which directly affect transportation safety and efficiency. This article analyzes common wheelset failures and their maintenance solutions. 1. Solutions for Common Failures1.1 Tread Fail

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About Us

Maanshan Tianjun Machinery Manufacturing Co., LTD is a top supplier of wheels, axles, tyres and wheelset for locmotive, passenger coach,wagons, metro and other rail and mining cars, specialized in related after-sale service and repair service.
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