A kind of preparation method of thin-walled foam sandwich structure composite material radome
A composite material, sandwich structure technology, applied in chemical instruments and methods, lamination, lamination devices, etc., can solve the problems of difficult and inability to process thin-walled foam sandwiches
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Embodiment 1
[0071] Example 1 Thin-wall foam A sandwich structure composite material radome with typical thickness 5mm
[0072] The first step, rigid mold preparation
[0073] Use 45 # The steel is processed to form the male mold for the radome product. The working surface of the male mold forms the corresponding internal cavity of the radome. The positioning and tool setting benchmarks of the foam interlayer are reserved on the base of the male mold for the second machining overtime.
[0074] Carry out surface grinding, cleaning and coating release agent treatment to male mold, set aside.
[0075] The second step, materials and equipment preparation
[0076] According to the technical requirements of the composite material radome, the S glass fiber fabric (reinforcing material) used for the composite material panel is cut into squares, and dried in an oven for later use; the impregnated liquid epoxy resin and curing agent are vacuum dehydrated and dried, spare. At the same time, pre...
Embodiment 2
[0099] Example 2 A typical thickness of 10mm, a thin-walled foam C sandwich structure radome with locally variable thickness
[0100] The first step, rigid mold preparation
[0101] Use 45 # The steel is processed to form the female mold for the radome product. The working surface of the concave cavity of the female mold corresponds to the outer wall structure of the formed radome. Positioning and tool setting references are reserved on the base of the female mold.
[0102] The molded female mold is surface polished, cleaned and coated with a release agent, and is ready for use.
[0103] The second step, materials and equipment preparation
[0104] According to the technical requirements of the composite radome, the quartz glass fiber fabric (reinforcing material) used for the composite panel is cut into pieces and dried in an oven for later use; the impregnated liquid vinyl resin and curing agent are vacuum dehydrated and dried for later use . At the same time, prepare ...
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