Thermoplastic composite product
A composite material and thermoplastic technology, applied in the field of thermoplastic composite products, can solve the problems of low molding pressure, high labor intensity, low production efficiency, etc., and achieve the effects of good impact resistance, accurate product size, and stable product quality.
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[0011] The present invention will be described in further detail below in conjunction with the embodiments of the drawings.
[0012] A thermoplastic composite material product obtained by injection molding processing of carbon fibers, thermoplastics and additives. More than 50% of the carbon fibers in the processed product have a length of 5mm, and all the carbon fibers with a length greater than or equal to 5mm are 5-30mm in length. Carbon fiber accounts for 50%-95%. The carbon fiber is made by adding continuous carbon fiber roving 3 into the twin-screw extruder 2 to mix with the polymer of pre-melted thermoplastic and additives, and mix it by the twin-screw extruder 2 at the same time. The carbon fiber roving 3 is roughly cut, and then the mixture output from the twin-screw extruder 2 is injected into the mold 5 through the injection cylinder 4 of the injection molding machine. During the molding process, the injection runner and the mold runner perform the rough cutting process...
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