The invention discloses a manufacturing method of a sheet metal skin honeycomb sandwich automobile engine hood, which comprises the steps of blanking and forming, surface treatment, honeycomb drying, bonding and curing and the like, so that the automobile engine hood with a sandwich structure is designed, the integral rigidity of the engine hood can be obviously improved, and the service life of the engine hood is prolonged. The honeycomb sandwich in the middle has a high absorbing and buffering effect and provides better protection for pedestrians on one hand, on the other hand, the structural strength can be improved, meanwhile, the thickness of the inner plate and the thickness of the outer plate can be lower than that of an existing pure metal plate engine hood, and therefore cost is reduced, and compared with an engine hood made of a carbon fiber composite material, cost is reduced. The method is simpler in surface treatment and lower in cost.
本发明公开了一种钣金蒙皮蜂窝夹芯汽车引擎盖的制造方法,包括冲裁成型、表面处理、蜂窝干燥、粘接固化等步骤,由此设计了一种三明治结构的汽车引擎盖,其能够明显提升引擎盖整体的刚度,中间的蜂窝夹芯一方面具有较高的吸收缓冲作用,给行人提供更好的保护,另一方面能够在提高结构强度的同时,使得内外板材质厚度可以低于现有的纯钣金引擎盖厚度,从而降低了成本,相较于碳纤维复合材料引擎盖,该方式表面处理更简易,成本更低。
Manufacturing method of sheet metal skin honeycomb sandwich automobile engine cover
一种钣金蒙皮蜂窝夹芯汽车引擎盖的制造方法
2022-03-04
Patent
Elektronische Ressource
Chinesisch
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