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Bogie: The Critical Undercarriage System for Rail Vehicle Stability, Steering & Comfort
Definition of bogie The bogie is an important part of rail transit vehicles, responsible for supporting the vehicle body and bearing the weight of the vehicle while realizing functions such as steering…
What Are The Requirements of Cast Steel Railway Parts?
Overview of Cast Steel Railway Parts In the field of rail transit equipment manufacturing, for cast steel railway parts, castings support the safe operation of the entire system like the veins of…
Defects of furan resin sand castings and their countermeasures
1.Porosity and pinholes Causes： Measures to prevent pore defects In response to the above reasons, take the following corresponding countermeasures:Select resin with low nitrogen content and try every means to reduce the…
How does an electric power steering motor and gearbox work?
Analysis of the Working Principle and Technology of the Motor and Gearbox in Rail Vehicles Overview of the motor and the gearbox As the core vehicle of modern rail transit, the design…
Sand casting core making operation guide
1.Pattern preparation Wooden molds, metal molds and epoxy resin plastic molds can be used. For castings with low requirements for single pieces, disposable molds made of foam plastic can also be used.…
How Important The Axle Box to The Railway Locomotive?
Overview of The Locomotive Axle Box In the speeding rail transit system, if the bogie is compared to the “legs” of a train, the axle box body is the key “joint” that…
The main technical parameters of furan resin sand casting raw materials
1.Furfuryl alcohol content The furan resin with acid as a catalyst generally contains more than 50% furfuryl alcohol. The most commonly used is urea-formaldehyde furfuryl alcohol resin. As the furfuryl alcohol content…
How Do Railway Signals Work?
Silent conductor rail transit: mystery decoding railway signal system In a speeding train steel orbit, like precision operating hour meter, behind its security and efficiency, hides a set of complex and the…
Research & Application of High-strength and high-toughness ductile iron Materials for Wind Power Castings
In order to obtain low-temperature ductile iron materials with higher strength and toughness, alloying elements Ni and Nb were added to the QT400-18AL material for alloying. Through the tests of the mechanical…
The development history and current situation of self-hardening furan resin sand
Overview of the development of self-hardening furan resin sand Furan resin was first used as a binder for castings in the United States in 1958. At that time, it was used as…
How Does A Power Steering Gear Box Work?
The mystery of the rail transit power heart: gear transmission system depth resolution When the steel dragon is in orbit and outdated, hidden in the bottom of the car body gear precision…
What Are Advantages of Wind Power?
Overview of wind power of ecological and economic benefits The force at the core drives a green future under the dual challenge of climate change and energy transformation; wind power, with its…