3D Printed Scaffold for Hybrid Composite Alignment
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Solution Overview
Problem
The manufacturing process of hybrid composites faces challenges in properly aligning and retaining pre-manufactured reinforcement components during integration, which complicates the assembly and augmentation of strength in the final composite structure.
Innovation Solution
A 3-D printed scaffold is used to support and retain reinforcement components, featuring retention pockets and microstructures for vacuum diffusion, allowing for precise alignment and integration with a secondary composite material, and can be either sacrificial or reusable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If pre-manufactured reinforcement components are integrated into hybrid composites, then the strength and specialized properties of the composite are improved, but the difficulty of alignment and retention during assembly increases
Solution Approach 1:
The patent introduces a scaffold as an intermediary component that temporarily holds reinforcement components during assembly. This scaffold acts as a mediator between the reinforcement components and the final composite structure, providing alignment features and retention mechanisms that simplify the integration process while maintaining the strength benefits of hybrid composites.
Solution Approach 2:
The scaffold is prepared in advance with pre-formed alignment features and retention structures before the reinforcement components are integrated. This preliminary preparation of the scaffold enables easier and more precise alignment of reinforcement components during the composite assembly process, reducing the complexity of the integration step.
2Manufacturing precision
If a scaffold is used to support reinforcement components during integration, then the alignment and retention are improved, but the manufacturing complexity and number of components increase
Solution Approach 1:
The patent combines multiple functions into the single scaffold component: structural support for reinforcement components, alignment features through pre-formed geometries, and retention mechanisms through integrated features. This merging of functions reduces the number of separate components needed while maintaining high alignment precision.
Solution Approach 2:
The scaffold serves multiple purposes simultaneously: it provides structural support during assembly, ensures precise alignment through integrated features, and enables retention of reinforcement components. This multi-functionality eliminates the need for separate alignment fixtures, support structures, and retention mechanisms, reducing overall assembly complexity.
3Manufacturing precision
If a scaffold is used to support reinforcement components, then the alignment and retention are improved, but the time and resources required for assembly increase
Solution Approach 1:
The scaffold is pre-manufactured with all alignment features and retention structures already in place before the assembly process begins. This preliminary preparation eliminates the need for time-consuming adjustments and alignments during assembly, reducing overall manufacturing time while maintaining high precision.
Solution Approach 2:
The scaffold's integrated alignment features and retention structures enable the reinforcement components to self-align and self-retain during assembly without requiring additional tools, fixtures, or manual adjustments. This self-service capability reduces assembly time and resource requirements while maintaining precise alignment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The scaffold enables efficient alignment and retention of reinforcement components, facilitating the assembly of hybrid composites with enhanced strength and allowing for complex shapes, while also aiding in the lay-up process and potentially reducing manufacturing complexity and costs.
Implementation Method 1
The printed scaffold may incorporate a microstructure having vacuum diffusion properties to assist in composite material lay-up
Data Source
AI summary
The present invention provides a 3-D printed scaffold tailored to a particular hybrid composite material to receive the reinforcement components and support them during application of a secondary composite material. The printed scaffold may provide for retention features that locate and hold the reinforcement components in a variety of different configurations and may incorporate a microstructure having vacuum diffusion properties to assist in composite material lay-up. The invention contemplates either that the scaffold may be sacrificial (retained in hybrid composite) or constructed to permit disassembly and reuse. The 3D printed scaffold may also provide shapes or profile surfaces serving as layup forms that give shape to the woven fiber mat during assembly.