Louvered Particulate Containment Wall for Additive Manufacturing
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Solution Overview
Problem
Existing additive manufacturing systems face challenges in efficiently and quickly removing unconsolidated particulate from the interior space, as current methods are time-consuming and often inaccessible from the exterior, leading to increased costs due to the use of vacuum systems.
Innovation Solution
The implementation of a louvered particulate containment wall that can be positioned to either prevent or allow the flow of unconsolidated particulate through openings, facilitating controlled removal by switching between positions, thereby reducing the time and cost associated with particulate removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If vacuum systems are used to remove unconsolidated particulate through ports in the particulate containment wall, then particulate removal is enabled, but the cost of the additive manufacturing system increases and flow control becomes difficult
Solution Approach 1:
The patent extracts the particulate removal function from the interior of the containment wall by providing openings that allow access to unconsolidated particulate from the exterior. This eliminates the need for vacuum systems and internal ports, directly resolving the contradiction by removing the harmful factor (complex vacuum system) while maintaining the useful function (particulate removal).
Solution Approach 2:
The containment wall structure itself provides the removal mechanism through strategically positioned openings that allow gravity-driven or manual removal of particulate. The system serves itself by using its own structural features (openings in the wall) rather than requiring external vacuum equipment, thereby reducing system complexity and cost.
2Productivity
If traditional particulate removal methods are used, then unconsolidated particulate can be removed, but the time required for removal is excessive
Solution Approach 1:
The containment wall is designed with openings positioned to provide direct access to unconsolidated particulate before the build process completes. This preliminary structural preparation enables rapid removal operations without requiring time-consuming disassembly or complex removal mechanisms, directly addressing the time loss issue.
Solution Approach 2:
By extracting particulate access to the exterior through openings in the containment wall, the patent enables direct and rapid removal of unconsolidated particulate. This eliminates the need for time-consuming internal retrieval processes and significantly reduces the time required for particulate removal, thereby improving productivity.
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 faster and more controlled removal of unconsolidated particulate, reducing operator exposure and energy consumption while lowering the overall cost of additive manufacturing processes.
Implementation Method 1
allowing the second portion of the particulate to flow out of the interior space through the at least one opening
Data Source
AI summary
Methods and systems for fabricating a component by consolidating a first portion of a particulate include a louvered particulate containment wall positioned around the component and a second portion of the particulate. At least one louver is coupled to the particulate containment wall adjacent at least one opening in the particulate containment wall. The particulate containment wall is positionable between a first position in which the louver prevents the second portion of the particulate from flowing through the passage and a second position in which the second portion of the particulate is able to flow through the passage. The methods include switching the particulate containment wall from the first position to the second position and allowing the second portion of the particulate to flow out of the interior space through the at least one opening.