Golf Shoe Sole Molding With Integrated 3D Midsole Structures
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Solution Overview
Problem
Conventional golf shoes often require additional labor-intensive steps to integrate inserts into the sole assembly, compromising structural integrity and failing to provide optimal performance characteristics, while traditional manufacturing methods struggle with complex 3D structures and inefficient transitions between spiked and spikeless outsoles.
Innovation Solution
The integration of complex 3D structures into the sole assembly during fabrication using a single mold, allowing for optimized midsoles and outsoles with enhanced performance characteristics, and a modular midsole/outsole system that accommodates both spiked and spikeless outsoles efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If inserts are placed in the sole assembly after fabrication, then structural integrity is maintained, but manufacturing time and labor increase
Solution Approach 1:
The insert is placed into the mold cavity before the sole assembly material is poured, allowing the insert to be pre-positioned and integrated into the sole assembly during the molding process itself, eliminating post-fabrication insertion steps
Solution Approach 2:
The insertion of the insert and the fabrication of the sole assembly are merged into a single molding operation, where both components are formed and integrated simultaneously in one manufacturing step
2Strength
If inserts are placed in the sole assembly after fabrication, then structural integrity is maintained, but additional labor and tooling are required
Solution Approach 1:
The insert is pre-positioned in the mold cavity before molding, eliminating the need for separate insertion tooling and reducing overall tooling complexity
Solution Approach 2:
The molding process and insert integration are combined into a single operation, reducing the number of separate tooling components and manufacturing steps required
3Ease of manufacture
If simplistic insert geometries are used, then manufacturing is easier, but performance characteristics are limited
Solution Approach 1:
The insert features complex 3D geometries with varying densities and structural properties in different regions, allowing optimization of performance characteristics in specific areas while maintaining manufacturability through integrated molding
Solution Approach 2:
The insert is formed from composite materials with varying densities and mechanical properties, enabling multiple performance characteristics to be imparted simultaneously while being manufactured as a single integrated component
Data Source
AI summary
A method of manufacturing articles of footwear, the method comprising: (a) positioning a first upper component around a last; (b) aligning the last with a cavity region of a midsole mold; (c) positioning an upper edge of the cavity region along the first upper component to form a sealed interface around the first upper component; (d) directing a midsole material into the cavity region to form a first midsole component that is attached or coupled to the first upper component; (e) releasing the first midsole component from the midsole mold and removing the first upper component from around the last; and (f) securing a first outsole component to the first midsole component to yield a first article of footwear.