Application of Laser Technology in Railway Passenger Car Manufacturing

With the rapid development of the global economy, people’s daily public holidays are accelerating, and increasingly fast transportation has become a solid demand of people. The railway is closely related to people’s daily life, is one of the key parts of the transportation center, is an important national infrastructure, and is directly related to people’s vital interests. In order to effectively improve the operation efficiency of the railway, the development direction of the railway is high-speed passenger cars, subway passenger cars, light rail vehicles, high-speed freight cars, etc., and light rail trains must be lighter to meet these needs. The general method of the invention is to use aluminum alloy materials in the manufacturing process of passenger cars, and aluminum alloy materials are thin in weight, corrosion resistant, smooth in appearance, capable of generating complex curved surfaces, and have characteristics higher than its strength, which can effectively reduce the resistance and mass of passenger cars, and can increase the load. In order to improve the processing efficiency of aluminum alloy materials and ensure the safety of the bus, it is necessary to change the traditional processing methods to manufacture and use laser technology.

The application of passenger laser technology in passenger production mainly includes the arrangement of plates and bottom materials, welding of important parts, material transportation and label movement of automatic production line, with high precision, which can save materials.

Application of Laser Marking Technology in Railway Passenger Car Production

The laser marking machine uses a laser beam to permanently mark the surface of various materials. The effect of marking is to expose deep substances through evaporation of surface materials, or chemically and chemically change surface materials through light energy, carve traces or burn part of substances through light energy. The laser marking machine uses a laser beam to permanently mark the surface of various materials. The laser marking machine can be divided into two types: semiconductor laser marking, YAG laser marking and fiber laser marking. The laser marking machine must be used in an environment of 10 to 35 degrees Celsius to keep the optical equipment clean. The laser marking machine is used for more accurate and accurate purposes.

Application of Laser Welding Technology in Railway Passenger Car Production

Laser welding machine, the welding process belongs to the heat conduction type, that is, the laser radiation heats the surface of the workpiece, the surface heat diffuses to the interior through overheating conduction, and controls the parameters such as the width, energy, peak power and repetition frequency of the laser pulse, so as to melt the workpiece to form a specific molten pool. Because of its unique advantages, it has been successfully applied to the precision welding of small parts. Laser welding machine is a machine used for laser material processing, which is usually called laser welding machine and laser welding machine. According to the operation method, it can be divided into laser mold baking machine (manual welding machine), automatic laser welding machine, laser spot welding machine and optical fiber transmission laser welding machine. Laser welding uses high-energy laser pulses to locally heat the materials in the micro area. The energy radiated by the laser diffuses through the interior of the heat conducting material to melt the material, forming a specific molten pool to achieve the purpose of welding.

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