Light weight with high strength.
Fire resistance.
Sound insulation & heat preservation.
Superior flatness and rigidity.
Water resistance.
Environment protection.
Formaldehyde free.
Rail car honeycomb applications include lighter and stronger materials to enable the manufacturer to build structures that travel faster with reduced environmental impact. The lightweight applications in the rail industry are similar to those in the aircraft industry. The best manufacturing practices utilize stainless steel, aluminum and Nomex honeycomb cores in order to build the best rail car systems. Rail car floors, doors, ceilings and bulkheads incorporate honeycomb cored sandwich structures that utilize the lightweight of the material to improve efficiency on the train.
Aluminium honeycomb panel perfectly matches the design requirements of all types of new energy vehicles because of its lightweight structure and the excellent performance of the metal materials (such as stiffness and toughness).Aluminium honeycomb panel is wildly used in the new train, high-speed train passenger cars, light rail vehicles, urban rail vehicles, motor vehicles, the interior panels, such as control panel, bulkhead, partition board, ceiling pad, luggage rack, toilet unit, lavatory, floor, passengers train doors and pilot cabin door.
| Technical Data of Honeycomb Panels | |
|---|---|
| panel size/mm | standard 1250 x 2500 / 1250 x 3000 / 1500 x 3000; On request up to 2000 x 7000 |
| skin characteristics/mm | rough/primer/polyester/PVDF/ anodised |
| thickness’ tolerance/mm | ± 0,3 |
| skin alluminium alloy | 1000 series, 3000 series, 5000 series |
| Mechanics function of complex planking and surface planking | |
| Inertia Rectangle I(cm4/m) | 19.85 31.67 |
| Measurement of cutting W(cm3/m) | 19 24 |
| Hardness of complex planking. E.I(KN Cm2/m) | 139000 221700 |
| Aluminum profile surface planking | AA5754A(ALMg3 |
| AA5754A(ALMg3) | 70000 |
| Tensile strength of surface planking (N/mm2) | Rm≥220 |
| 0.2%Power of bending (N/mm2) | Rp0.2≥130 |
| (EN485-2:1194) Extending rate | A50≥8 |
| Hot expanding of aluminum materials | 2.4mm/m100℃, when the temperature discrepancy is 100℃ |
| Surface decoration layer | PVDF Spray and bake paint |
| Luminosity (original data) | 30-40% |
| Hardness of pencil | HB-F |
| Pith of honeycomb | |
| Size of honeycomb | 1/4（6.3mm) |
| Aluminum honeycomb density | 80kg/m3 It's about 80kg/m3. |
| Strength of pressure-resistant(MIL-STD-401) | 4N/mm2 |
| Function of Acoustics | |
| Data of sound absorption | 0.05 |
| Indicator of sound seperating ISO717-RW | 23 25 |
| Function of Heating | |
| Data of heating guiding （w/m2k) | 2.25 2.7 |
| Data of heating preventing R(1/m) (m2k/w) | 0.0089 0.0093 |
| Data of heating passing U(k) (w/m2k) | 5.59 5.575 |
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