The invention discloses a vehicle-mounted knife-type antenna cover and a precise manufacturing method thereof. The antenna cover is formed by combining an inner
surface layer, a functional layer, a bottom
plane layer, a stop opening layer and an outer
surface layer. The inner
surface layer, the bottom
plane layer, the stop opening layer and the outer surface layer are made of different specifications of high-intensity
glass fiber prepregs. The functional layer is made of different materials of high-intensity
glass fiber prepreg, a
metal array and a
nomex honey comb, thereby satisfying different functions of wide frequency, high wave transparency and
invisibility. The inner surface layer, the stop opening layer, the functional layer, the bottom
plane layer and the outer surface layer are successively laid on a core die sequentially, an outer die is assembled and a vacuum bag is used for sealing, and through a vacuum
system and an oven, heating and solidification are achieved to form a
whole body. A layering method and laying sequence are set, so high speed discharging and precise
prefabrication of different
layers can be achieved. By combining a
metal outer die and a
silicone rubber core die, the size precision of the antenna cover is ensured and the technique cost is reduced.