Novel device and technology for manufacturing ultra-thick composite plate by means of vacuum infusion

Abstract

The invention provides a novel device and technology for manufacturing an ultra-thick composite plate by means of vacuum infusion, and aims at solving the problem that the ultra-thick composite plate is hard to manufacture by means of vacuum infusion. The thickness of the composite plate is larger than 8 mm. According to the scheme, a layer of flow guide medium is laid on the upper surface of a pre-forming body, and a layer of flow guide medium is laid on the lower surface of the pre-forming body; after resin is poured, the resin on the upper surface of the pre-forming body downwards permeates into fibers through gravity and surface acting force, and the resin on the lower surface of the pre-forming body upwards permeates into the fibers through surface acting force; and the distance of a resin infiltration reinforcement body is shortened, the resin pouring time is shortened, the defects of the composite plate are reduced, and the success rate of the composite plate is increased. The technical problem that the ultra-thick composite plate or product is hard to manufacture by means of a vacuum infusion method is solved, the application range of the vacuum infusion method is widened, and meanwhile a thought is provided for low-cost manufacturing of the ultra-thick composite plate or product.

Description

technical field [0001] The invention relates to a device and a process for preparing ultra-thick composite material plates by a vacuum introduction method. Background technique [0002] Fiber-reinforced composite material is a new type of high-performance material, which has many excellent characteristics such as high specific strength, large specific modulus, corrosion resistance, etc., and is used in many fields such as aerospace, rail transit, automobile, sports and leisure. At present, the forming process of composite materials mainly includes autoclave forming process, pultrusion forming process, winding forming process, resin transfer molding, vacuum introduction and many other forming processes, among which the vacuum introduction forming process is a low-cost and easy-to-operate process. The liquid forming process has great advantages in the manufacture of composite products. However, due to the limitations of its process characteristics, it is difficult to realize ...

AI Technical Summary

Problems solved by technology

[0005] The invention provides a vacuum introduction method for preparing ultra-thick composite material plate and its process, which is used to solve the technical problem that the vacuum introduction method is difficult to realize ultra-thick composite material plate parts, expand the application range of the vacuum introduction method, and reduce the super-thickness. Cost of Thick Composite Sheet Manufacturing

Images