Composite mold in modular design and application method of composite mold
A modular design, composite material technology, applied in the field of composite material molds, can solve the problems of difficult handling of molds for operators, heavy weight, troublesome vacuum bagging, etc., to reduce the risk of curing deformation, low density, and reduce differences. Effect
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[0055] The method for preparing a composite box body using the above composite material mold specifically includes the following steps:
[0056] Step 1: According to the required composite material box design and preparation of mold components, spare;
[0057] Step 2: Use connecting corner pieces and bolts to connect the bottom panel and several side panels together, and finally get the box mold;
[0058] Step 3: Lay the composite material according to the ply design;
[0059] Step 4: After the layering is finished, vacuum bag the entire box body, and the vacuum bag will completely surround the box body; when bagging, pay attention to putting more air felt at the connecting corners to prevent the aluminum connecting corners from being damaged Vacuum bag puncture;
[0060] Step 5: Put it into the curing oven or autoclave for curing;
[0061] Step 6: After curing, disassemble the vacuum bag and remove the bolts on the connecting corner pieces;
[0062] Step 7: Remove the connecting corner ...
Example Embodiment
[0071] Examples:
[0072] Detailed Description of the Embodiments Take a 400mm×400mm×180mm square box as an example to illustrate the production and later use process.
[0073] 1. Mold making
[0074] 1. Make 2 pieces of 500mm*1000mm carbon fiber panels. The material can be 300 prepreg with plain weave, and the layering method is [45 / 0 / 90 / 0 / 45]s. The curing method adopts hot pressure curing or vacuum bag curing. The upper panel 4 and the lower panel 8 of a sandwich structure are obtained.
[0075] 2. Take out a piece of 500mm*1000mm aramid paper honeycomb with a thickness of 35mm. On the aramid paper honeycomb, draw the area that will be used to divide a bottom panel 1-1 and four side panels 1-2, namely the first side panel, the second side panel, the third side panel and the fourth side panel . And mark the position used to fill the aluminum connecting block on each area to obtain the honeycomb structure 7.
[0076] 3. According to the drawn position, dig out a 30mm×30mm square fr...
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