Multi-material Shoe Insole via Generative Manufacturing
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Solution Overview
Problem
Current shoe inserts, particularly orthopedic ones, lack customization and material diversity to effectively address individual foot shapes and medical requirements, leading to suboptimal therapeutic outcomes and comfort.
Innovation Solution
A shoe insert made from multiple materials with distinct properties, produced using generative manufacturing processes, where each material is added separately during production to create individualized areas with precise transitions, ensuring tailored therapeutic effects and comfort without noticeable separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a shoe insert is made from a single material, then the manufacturing process is simple, but the ability to provide customized therapeutic properties for different foot regions is limited
Solution Approach 1:
The shoe insert is divided into multiple regions, each manufactured from different materials with specific properties. The generative manufacturing process divides the production into discrete layers and regions, allowing each foot zone to receive tailored material properties for optimal therapeutic effect.
Solution Approach 2:
Different regions of the shoe insert are assigned different material qualities based on local therapeutic requirements. The system selects specific materials for specific foot zones (e.g., cushioning for heel, support for arch) to provide locally optimized properties rather than uniform characteristics throughout.
2Adaptability or versatility
If multiple materials are used in different regions of the shoe insert, then customized therapeutic properties are achieved, but the manufacturing precision required to ensure seamless transitions increases
Solution Approach 1:
The generative manufacturing process pre-calculates and pre-prepares the multi-material structure before actual production. Production data is generated in advance that precisely defines where material transitions occur, allowing the manufacturing system to execute seamless transitions without requiring complex real-time adjustments.
Solution Approach 2:
The system changes material parameters systematically across different regions of the shoe insert. By controlling material property transitions through generated production data, the system achieves precise material boundaries and seamless transitions without requiring manual intervention or complex post-processing.
3Adaptability or versatility
If generative manufacturing processes are used to create multi-material shoe inserts, then individualized therapeutic solutions are produced, but the production time and complexity of the manufacturing process increase
Solution Approach 1:
The generative manufacturing process is fully automated and self-directed through computer-generated production data. Once the foot scan and material selection are complete, the system autonomously executes the multi-material production without requiring manual assembly or intervention, significantly reducing production time despite the complexity of creating individualized multi-material inserts.
Data Source
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AI summary
The application relates to a shoe insole, in particular an individualized and/or orthopaedic shoe insole (10), which is manufactured from at least a first and a second material (2-8) using an additive manufacturing process, wherein at least one area, in particular an individualized area, of the shoe insole (10) comprises the first material and the second material (2-8). The application further relates to a method for manufacturing such a shoe insole (10) and a computer program product.