A manufacturing method for a foam sandwich structure
composite material hatch, the technical points of which include designing and optimizing the overall structure and layering of the hatch, completing the design and manufacture of molds, selecting
fiber cloth and according to the size of the actual product According to the requirements, the material is
cut, the foam material and embedded parts are selected, and the preparation of the prefabricated body is completed. The release cloth, the flow guide net and the glue injection support are laid in sequence on the inner
skin cloth, and the air duct is fixed around the prefabricated body. Cover with sealing tape and vacuum bag film, connect the
exhaust pipe and carry out process combination, vacuumize at
room temperature, prepare the required resin in the material
barrel, introduce the resin into the prefabricated body, and after the resin infiltrates the
fiber, according to the curing process of the resin,
room temperature or Heating and curing, after curing, cool down to
room temperature naturally, turn off the vacuum
system, and post-process the parts after demoulding; this technical solution has obvious weight reduction effect, strong designability, stable product shape and size, excellent
thermal insulation performance, and good damping The
noise reduction performance is obvious.