3D printing path planning method of continuous fiber reinforced composite material

Abstract

The invention relates to a 3D printing path planning method of a continuous fiber reinforced composite material, and belongs to the cross field of composite materials and additive manufacturing. According to the 3D printing path planning method of the continuous fiber reinforced composite material, finite element simulation technology is utilized to simulate and analyze the stress distribution ofan element under the action of a load, and a printing path of continuous fiber reinforced composite material additive manufacturing is planned according to the stress distribution direction and transmission characteristics of the element and the characteristics of fiber continuity. Compared with a traditional path planning method, the orientation of the continuous fibers can be adjusted pertinently, the bearing capacity of the element is improved to the maximum extent, the usage amount of fiber materials is reduced, the manufacturing cost of the continuous fiber reinforced composite material is reduced, and the high performance, high efficiency, high precision and low cost 3D printing forming of the continuous fiber reinforced composite material are achieved.

Description

technical field [0001] The invention relates to a 3D printing path planning method for continuous fiber reinforced composite materials, which belongs to the cross technical field of composite materials and additive manufacturing. Background technique [0002] As a new generation of advanced composite materials, continuous fiber reinforced composites have the characteristics of high specific stiffness, specific strength, and strong designability, and are widely used in aerospace vehicles, aircraft, automobiles, ships, and medical fields; however, continuous fiber reinforced composite The traditional forming process of materials mainly adopts autoclave forming technology, RTM forming technology, fiber laying technology and winding forming technology, etc. The above traditional forming process is complex, with many manual and semi-automatic processes, long mold development cycle and high manufacturing cost. [0003] 3D printing technology has the characteristics of directly usi...

AI Technical Summary

Problems solved by technology

At present, scholars at home and abroad have done a lot of research on the problems of poor printing accuracy and low printing quality caused by problems such as too small corners and path jumps in the 3D printing process of continuous fiber reinforced composite materials, but they have not considered the impact of the printing direction and printing density of fibers on the 3D printing process. Influence of the mechanical properties of composite materials

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