3D Printing Gantry for Rapid Construction
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Solution Overview
Problem
Traditional construction methods for structures like dwellings are time-consuming and require multiple skills and trades, extending the construction period significantly, which is undesirable for rapid construction needs.
Innovation Solution
A construction system utilizing additive manufacturing techniques, specifically 3D printing, that includes a gantry and rail assemblies to controllably move a printing assembly relative to a foundation, allowing for the deposition of extrudable building materials in vertically stacked layers to form structures quickly and economically.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional construction methods are used, then construction quality and structural integrity are maintained, but construction time is significantly extended
Solution Approach 1:
The patent replaces traditional manual mechanical construction processes with an automated additive manufacturing system. The printing assembly with extrusion mechanism automatically deposits building materials layer by layer according to digital models, eliminating the need for manual labor and traditional construction sequencing, thereby dramatically reducing construction time while maintaining quality through precise digital control
Solution Approach 2:
The invention changes the fundamental parameters of construction by transitioning from discrete manual assembly to continuous additive deposition. The system controls material extrusion parameters (flow rate, layer thickness, deposition speed) to optimize construction speed while maintaining structural integrity, enabling rapid construction without sacrificing quality
2Productivity
If traditional construction methods are used, then multiple skills and trades are required, but construction complexity increases
Solution Approach 1:
The printing assembly serves multiple functions within a single integrated system: it stores building materials, mixes them if necessary, extrudes the material through controlled nozzles, and positions itself precisely according to digital models. This multi-functional approach consolidates what would traditionally require multiple separate trades and tools into one automated system
Solution Approach 2:
The system uses digital 3D models as templates to guide the entire construction process. The digital blueprint is sliced into layers and automatically translated into physical deposition paths, eliminating the need for skilled judgment and experience. The printing assembly follows predetermined digital instructions, replacing human expertise with programmable precision
3Loss of time
If additive manufacturing is used, then construction time is reduced, but manufacturing precision requirements increase
Solution Approach 1:
The system incorporates sensors and control mechanisms that monitor the printing process in real-time, adjusting material extrusion parameters and print head position to maintain precise deposition accuracy. The digital model serves as a reference that can be compared against actual deposition, allowing for automatic corrections to ensure dimensional accuracy despite the speed of construction
Solution Approach 2:
The printing assembly employs dynamic positioning and control systems that can adjust layer thickness, material flow rate, and print head movement in real-time based on the specific requirements of each layer and section. This dynamic adaptability allows the system to maintain high precision even at elevated construction speeds by optimizing parameters on-the-fly
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
Enables the construction of structures in a fraction of the time associated with traditional methods, reducing the need for multiple skills and trades, and facilitating rapid construction of multiple structures on a single foundation.
Implementation Method 1
A construction system utilizing additive manufacturing techniques, specifically 3D printing, that includes a gantry and rail assemblies to controllably move a printing assembly relative to a foundation, allowing for the deposition of extrudable building materials in vertically stacked layers
Data Source
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AI summary
Construction systems for constructing a structure on a foundation and methods relating thereto are disclosed. In an embodiment, the construction system includes a rail assembly configured to be mounted to the foundation. In addition, the construction system includes a gantry movably disposed on the rail assembly configured to translate along a first axis relative to the rail assembly. Further, the construction system includes a printing assembly movably disposed on the gantry and configured to translate along a second axis relative to the gantry. The second axis is orthogonal to the first axis. The printing assembly is configured to deposit vertically stacked layers of an extrudable building material on the foundation to construct the structure. The gantry has a width along the second axis that is configured to be adjusted relative to the foundation.