Intensifier Mechanism for Stacked Material Compaction
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Solution Overview
Problem
Existing systems for forming stacked materials with complex geometries, such as overhangs and undercuts, often fail to adequately compact the materials, requiring additional processing like debulking to achieve the desired component shape.
Innovation Solution
A system that includes a housing with a tool and a membrane, where an intensifier mechanism with a pivoting joint is used to induce force against the stacked material and tool, allowing for precise compaction and shaping of complex geometries without the need for additional processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If a membrane is extended over complex geometries to shape stacked material, then the material can be formed into complex shapes, but the material is not adequately compacted
Solution Approach 1:
The intensifier mechanism is divided into multiple bodies (first body, second body with main portion and pivoting portion) connected by joints, allowing different sections to independently apply force to different areas of the stacked material, ensuring adequate compaction across complex geometries
Solution Approach 2:
The intensifier mechanism acts as an intermediary between the membrane and the stacked material, translating the membrane's movement into concentrated forcing action at specific locations to ensure proper compaction while shaping complex geometries
2Manufacturing precision
If additional processing like debulking is used to properly form stacked material, then manufacturing precision improves, but productivity decreases
Solution Approach 1:
The intensifier mechanism applies compaction force during the initial forming process itself, performing the compaction action preliminarily before the material is removed from the tool, thereby eliminating the need for subsequent debulking operations and reducing cycle time
3Ease of operation
If a membrane bridges over complex geometries, then the material can be positioned, but the material is not properly compacted
Solution Approach 1:
The intensifier mechanism applies force at specific local positions on the stacked material through its multiple bodies and joints, providing targeted compaction at critical locations where the membrane alone cannot provide adequate pressure, while maintaining overall material positioning
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
This solution enables efficient formation of stacked materials with complex geometries, reducing the need for debulking and lowering cycle time and labor costs, while ensuring proper compaction and maintaining the integrity of the material.
Implementation Method 1
an intensifier mechanism with a pivoting joint is used to induce force against the stacked material and tool
Data Source
AI summary
An intensifier mechanism for forming stacked material includes a support, a first body coupled to the support, and a second body having a main portion, a pivoting portion, and a joint. The main portion is coupled to the support and the joint movably couples the main portion to the pivoting portion. The joint allows the pivoting portion to pivot in relation to the main portion when the membrane moves towards the bottom wall.