A carbon fiber composite thruster molding process

Abstract

The invention discloses a carbon fiber composite material propeller pressing molding process, which comprises: S1, selecting a carbon fiber prepreg, controlling a press molding environment, and inspecting and treating a mold; S2, testing the compressive thickness, the fiber content, the temperature curve and the molding surface of the carbon fiber prepreg; S3, molding a propeller billet mold by using a prepreg pressing molding process; and S4, continuously adhering the carbon fiber prepreg on the surface of the billet mold, and carrying out pressing molding again to prepare the composite material propeller. According to the present invention, with the carbon fiber composite material propeller pressing molding process, the composite material propeller pressing molding is divided into two molding, the first molding uses the prepreg pressing molding process to mold the propeller billet mold, the prepreg is continuously adhered on the surface of the billet mold, and the pressing molding isperformed again to prepare the composite material propeller, such that the strength of the product can be ensured, the precision of the product can be ensured, and the molded product has advantages of good integrity, small molding value deviation, stable process, high strength and high propulsion efficiency.

Description

technical field [0001] The invention belongs to the technical field of composite material thruster molding, and more specifically relates to a carbon fiber composite material thruster molding process. Background technique [0002] Mechanical (structural) noise, propeller noise and flow noise constitute the ship's underwater radiation sound field. With the increase of the speed of the ship, the propeller noise of the ship gradually becomes the main part of the radiated noise. The propeller noise includes its own radiation noise, the noise caused by its wake field and the tail vibration noise caused by the propeller. Studies have shown that the thruster noise is from the subsonic frequency of a few Hz to the broadband continuum of hundreds of kilohertz superimposed with some low-frequency characteristic line spectra, and the frequency of the line spectrum is the leaf frequency of the propeller and its multiple leaf frequencies. . The propeller noise in the middle and low fr...

AI Technical Summary

Problems solved by technology

[0005] In view of the defects or improvement needs of the existing technology, the present invention provides a carbon fiber composite propeller molding process, the purpose of which is to design a composite propeller that can solve the difficult production problem of multiple blades and large blade curvature , and the process and mold can solve the problem of product accuracy and strength at the same time, the composite propeller production process

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