3D Weaving Machine for Composite Interlaminar Strength
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Solution Overview
Problem
Existing manufacturing processes for composite materials face challenges such as easy interlaminar cracking, low lamination efficiency, and high labor costs, which limit the application and demand for high-strength fibers like carbon fibers and aramid fibers due to their high cost and technical complexity.
Innovation Solution
A multi-dimensional weaving shaping machine that utilizes a guide template with cylindrical guiders and an electrical control three-dimensional motion mechanism to automatically distribute weave fibers along a motion track, improving interlaminar strength and enabling rapid, efficient lamination of composite materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual lamination of fiber sheets is used, then labor flexibility is maintained, but lamination efficiency is low and labor costs are high
Solution Approach 1:
The patent replaces manual mechanical lamination operations with an automated computer-controlled lamination system. The system uses a computer to control the positioning and stacking of fiber sheets, substituting human manual operations with automated mechanical systems. This resolves the contradiction by significantly improving lamination efficiency while managing device complexity through software-based control rather than complex mechanical mechanisms.
Solution Approach 2:
The lamination system is designed to automatically position and stack fiber sheets without continuous human intervention. The computer-controlled system performs the lamination process autonomously, with the machine serving itself to complete the stacking operation. This self-service capability improves productivity while reducing the need for complex manual operation mechanisms.
2Strength
If conventional layering method is used, then production process is simple, but interlaminar strength is low leading to easy cracking
Solution Approach 1:
The patent transitions from conventional two-dimensional layering to three-dimensional multi-directional weaving. The weaving mechanism creates composite structures with fibers arranged in multiple directions and layers, adding dimensional complexity to the structure. This dimensional change significantly improves interlaminar strength and crack resistance while the computer control system manages the increased weaving mechanism complexity.
Solution Approach 2:
The patent creates true three-dimensional composite materials through multi-directional weaving, where fibers from different directions are interwoven to form a unified structure. This composite structure, with fibers distributed in multiple orientations across multiple layers, provides superior interlaminar strength and crack resistance compared to simple layered composites. The computer-controlled weaving mechanism enables precise control of this composite structure formation.
3Strength
If high-strength fibers are used extensively, then material performance is improved, but production costs increase
Solution Approach 1:
The patent applies high-strength fibers strategically in specific locations and directions where they are most needed for structural performance. The computer-controlled weaving system allows precise placement of high-strength fibers in critical stress-bearing areas, while using them more sparingly in less critical regions. This local quality approach maximizes the strength-to-cost ratio by concentrating expensive high-strength fibers where they provide the greatest benefit.
Solution Approach 2:
The patent optimizes the parameters of fiber arrangement, including the orientation, density, and distribution of high-strength fibers within the composite structure. By changing these parameters through computer-controlled weaving, the system achieves maximum structural strength with optimized fiber usage, reducing the total quantity of expensive high-strength fibers needed while maintaining or improving overall material performance.
Data Source
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AI summary
The disclosure provides a multi-dimensional weaving shaping machine of composite materials, including: a guide template including a plurality of cylindrical guiders arranged according to the geometrical shape of a prefabricated member; an electrical control three-dimensional motion mechanism including: a control signal receiving terminal configured to receive motion control signals corresponding to the geometrical shape of the prefabricated member; and a three-dimensional motion output terminal configured to form a motion track according to the motion control signals; a weaving needle being connected with the three-dimensional motion output terminal and making weave fibers distribute among the cylindrical guiders according to the geometrical shape of the prefabricated member. The multi-dimensional weaving shaping machine of composite materials of the disclosure utilizes the cylindrical guiders and the electrical control three-dimensional motion mechanism to make the weaving needle to drive braided cords to distribute among the cylindrical guiders along the motion track to form the guide template. The disclosure is applicable to multi-dimensional weaving shaping of large-scale and complicated materials and capable of improving the interlaminar strength of composite materials. The shaping machine applies a rapid shaping technology to multi-dimensional weaving shaping of composite materials and the technical processes are automatic.