Influence of Transportation on Honeycomb Aluminum Plate

In recent years, my country\'s transportation industry has continued to advance by leaps and bounds, and railway passenger cars have been continuously updated. The traditional passenger car floor is an ordinary wooden floor covered with iron sheet, which has the disadvantages of large volume, heavy quality and high cost. Because urban rail vehicles have the characteristics of light axle weight, frequent acceleration and deceleration and overload operation, the steel structure of the car body is required to be as light as possible under the requirements of strength and rigidity, so light structural materials and low-density materials must be used in the design of urban rail vehicles,Honeycomb aluminum plateApplication born.

国内长春客车厂于1990year in25AThe aluminum honeycomb composite plate structure is used on the type bus. It is understood that the ceiling, floor and partitions on both sides of the carriage of the first subway rolling stock in Shenzhen are made of honeycomb aluminum plates that can be continuously thermally compounded with thermoplastic adhesives. The roof of subway trains with independent intellectual property rights under development in China will also use honeycomb aluminum plates.

The panels on both sides of the honeycomb aluminum plate are high-strength aluminum plates, and the inner layer is a special hexagonal aluminum honeycomb, which is used as a core plate adhered to the sandwich structure and bears pressure in the tangential direction. These mutually restrained dense honeycombs are like many small I-beams, which can disperse and bear the pressure from the panel direction, make the panel bear uniform force, and ensure that the panel can still maintain high flatness in a large area.

Due to the reasonable structural design, honeycomb aluminum plates have improved their stiffness, strength and other performance indicators. They are widely used in new passenger cars, urban rail vehicles, light rails, motor vehicles, and subway vehicle interior panels such as control panels, bulkheads, ceiling pads, and luggage Racks, toilet units, lavatories, floor panels, four corner doors and isolation hatch doors, as well as external components such as roofs, high-end, guard panels, and entire car bodies.

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