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Design of EMU Automatic Transmission Gearbox
1.Overview The automatic transmission gearbox of a high-speed EMU is one of the core components for power transmission between the traction motor and the wheelset. It plays a very important role in…
Ultrasonic flaw detection of cast iron parts: “B-ultrasound” for industrial “skeleton”
On the grand stage of industrial manufacturing, cast iron parts are like solid “skeletons”, supporting the efficient operation of various railway casting parts. However, during the production process, cast iron parts may…
Exploring the Ultrasonic Flaw Detection Technology of Cast Iron Parts: The Guardian of Industrial Quality
In many industrial fields, such as machinery manufacturing, locomotive tracks, aerospace, etc., cast iron parts are basic components, and their quality is directly related to the performance and safety of the entire…
Bearing Parts Manufacturing: Common Defects & Flaw Detection Methods
During the manufacturing process, bearing parts have to go through multiple processes such as forging, rolling, punching, turning, grinding, and heat treatment, and various defects may occur. Common defects are as follows:…
Exploring the magnetic particle flaw detection technology of cast iron parts: the “fire eyes and golden eyes” that protect quality
In the field of mechanical manufacturing, cast iron parts are widely used in various mechanical equipment due to their good castability, shock absorption and wear resistance. However, cast iron parts may produce…
Popular Science of Rail Clamp, the “Rail Guardian” on Trains
In the railway system where trains run, rail clamp may seem inconspicuous, but it is a key component to ensure the stability of the rails and the safe running of trains. The…
Linear Motors: A Comprehensive Overview of Development, Features, and Principles
1.Development history of linear motors Generally, electric motors rotate when they work. However, vehicles driven by rotating motors (such as electric locomotives and trams in cities, etc.) need to move in a…
V-process Casting Production Line: An Innovative Green Casting Process
Overview of V-process Casting Production Line Driven by the wave of Industry 4.0, the V-process casting (Vacuum Sealed Molding Process) production line is becoming a new benchmark in the modern casting field with…
Overview of AC Motors: Structure, Applications in Urban Rail Transit & Citizen Metro Case
Overview of AC motors DC traction motors have excellent traction and braking performance. By adjusting the terminal voltage and excitation, speed regulation can be conveniently performed. However, the commutator structure of DC…
Cast Iron Railway Parts: The Industrial Backbone Supporting Rail Transit
A Deep Analysis from Material Properties to Industrial Applications In the intricate mechanical network of the rail transit system, cast iron railway parts are like silent guardians, building a physical barrier for…
Rail anchor: the invisible guardian of railway safety
1. Working principle: With friction as the core, build an anti-climbing defense line The rail anchor suppresses the longitudinal movement of the rail through the principles of physical mechanics. When the train…
Exploring the mystery of the EMU and mine car couplers: the “invisible bond” of the mechanical world
——Hardcore popular science from structure to operation In the steel-cast rail network, EMUs are speeding at a speed of 300 kilometers per hour, and heavy-load mine trains are slowly climbing the slope…