Forming process of integrated cellular board with sealed edges
A molding process and nest board technology, which is applied in the field of molding technology of integrated honeycomb panels with edge sealing, can solve the problems of poor integrity of honeycomb panels and achieve good performance, good flat compression performance and bending resistance
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Embodiment 1
[0026] figure 1 It is a process flow diagram of the present invention, with reference to figure 1 As shown, the molding process of the integrated bionic honeycomb panel with edge banding includes the following steps:
[0027] (1) Mold preparation: Wipe the surface of the mold with alcohol before use, then spray a dry release agent evenly on the surface of the female mold, let it dry, and apply an oily release agent on the surface of the male mold, so that it can be tested after molding. Parts and molds are separated smoothly.
[0028] (2) Male mold preparation: Heat and melt the paraffin wax of the male mold material and pour it into the male mold ( figure 2 ), when the paraffin wax cools and softens, the upper surface is scraped flat, and after cooling to room temperature the paraffin solidifies, the paraffin wax male mold can be obtained by dismantling the mold ( figure 2 b shown on the right), place the prepared male molds in the female molds in sequence ( figure 2 c...
Embodiment 2
[0034] Embodiment 2 honeycomb panel flat compression test
[0035] In this example and example 3, a comparative honeycomb panel was prepared, the lower panel and the core layer were integrally formed, and the upper panel and the core layer were bonded together. Therefore, by testing the mechanical properties of such a honeycomb panel, the mechanical properties of two different preparation methods (integral method and multi-body molding method) can be compared.
[0036] The typical load-displacement curve of the flat compression test of the obtained honeycomb panel is as follows Figure 4 shown. Under the action of plane compression load, the load-displacement curve of the honeycomb panel is linear in the initial stage, and the load rises slowly. When it reaches the peak value, the honeycomb wall deforms obviously, and the load decreases, but the load fluctuates after that. The reason is that in the initial loading stage, due to the existence of the adhesive layer and the ad...
Embodiment 3
[0045] Example 3 Honeycomb panel bending test
[0046] The bending test results of honeycomb panels and their typical failure modes are as follows: Figure 5 , Image 6 shown. The typical failure mode of the honeycomb panel under the action of bending load is: (1) the adhesive layer is damaged, that is, the upper panel and the core layer are degummed, such as Image 6 As shown in (a), during the loading process, there are defects in the glued surface of the sample or the phenomenon of peeling between the upper panel and the core layer begins to appear on the weaker side. As the loading continues, the peeled surface continues to extend to the middle. Hear the sound of peeling. This failure mode seriously affects the performance of the material (the failure mode that is prone to occur in traditional honeycomb panels). The possible reason for the analysis is the difference in bonding quality. When the bonding quality is poor, the bonding strength between the upper panel and ...
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