Non-crease aluminum honeycomb panel

双曲屋面(Curtain wall)Because each plate is a twisted or hyperbolic shaped plate. This isaluminum honeycomb panelProduction enterprises is a great challenge, through years of research and development and research, and finally successfully solved a variety of technical difficulties, to achieve a honeycomb panel hyperbolic, twisted industrial production, forming a set of non-crease aluminum honeycomb panel processing molding technology, the molding technology is introduced as follows.

(1)To the roof(Curtain wall)The three-dimensional model of the system is deepened, and the deepening process is to analyze and simulate each plate through a special computer design software to determine the processing and production methods of each plate, because all plates are distorted and large-scale mass production is required, so the plates need to be classified and simulated. The simulation method is to use the processing method of single curved plate to form the distortion effect. Specifically, each plate is placed in different positions on the single mold to form the position difference of the four corner points, and then the actual three-dimensional model is used for comparison. If the position difference between the four corner points and the simulated four corner points and the middle two points is in±3mmWithin, on the use of single curved plate processing methods to process.;If greater±3mmIt is necessary to use the double curved plate processing form to process. In addition, because the plate is twisted, the four sides will be arc edges when lofting is unfolded. The arc edges are the same for plates in different installation positions. Special design software is needed for lofting and unfolding to form a plane cutting processing diagram.

(2)Processing of Honeycomb Plate Sheet Metal

根据开料加工图对铝板进行数控切割，使用数控转塔冲切，保证板块的加工尺寸精度在±2mmWithin, after the aluminum plate is cut, if it is a hyperbolic plate, it needs to be rolled to eliminate the internal stress of the aluminum plate.,To prevent the rebound deformation of the composite forming hyperbolic honeycomb panel in the subsequent sequence, the hemming process is performed after the material is cut. The main difficulty in the folding process is the processing of arc edges. On the basis of the flat and straight folding dies of the existing CNC bending machine, a special arc folding die with arch height has been successfully developed, and the die is adjustable arch height, thus solving the processing and production of arc edges.

(3)composite molding

composite molding就是把面铝、铝蜂窝、底铝通过胶粘剂粘合在一起，形成“Sandwich”The type structure has the advantages of high strength, good rigidity, light weight, good surface flatness, sound insulation and heat insulation. According to the characteristics of the light source honeycomb panel, the normal temperature composite technology is adopted. The normal temperature composite technology is to adjust the two-component adhesive in proportion, then use a scraper to evenly scrape the prepared two-component adhesive onto the composite surface of the surface and bottom aluminum, and add the honeycomb core after scraping, according to the surface aluminum+aluminum honeycomb core+The form of bottom aluminum is placed on the mold, and then a layer of film is coated on it. The periphery of the film is sealed with adhesive tape. Finally, the honeycomb plate is pressurized by vacuuming6hAfter that, due to the reaction of the adhesive, the aluminum was cured.+aluminum honeycomb core+The bottom aluminum is firmly bonded together to form a honeycomb panel. For the plate with single-track processing method, because the radius of the compound molding of the light source honeycomb plate is different, according to the principle of bow back, a mold with adjustable different radii is developed, which not only ensures the accuracy of the compound plate but also controls the cost of the mold. For the hyperbolic honeycomb plate, the difficulty is the guarantee of the production and accuracy of the mold. The production of hyperbolic mold to process a set of mold, the mold is the use of the hyperbolic into line and point coordinates of the principle of production, its main function is to test the accuracy of the hyperbolic mold, the accuracy of the mold point coordinates need to be controlled in±1mmwithin. Then the mold is placed on the hyperbolic mold to modulate the hyperbolic mold, and the error between the hyperbolic mold and the mold is controlled.3mmWithin, after the modulation is completed, the composite placement position of the hyperbolic honeycomb panel can be drawn according to the reference model, and the composite honeycomb panel can be started. Composite good honeycomb board to achieve good accuracy.

Through the above process, the processing of crease-free aluminum honeycomb panels was successfully completed.

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