Additive Manufacturing Device Scaffold Stand Frame Stability
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Solution Overview
Problem
The setup of 3-D concrete printers in the construction industry is time-consuming due to the need for extensive site preparation, crane usage, and precise anchoring of vertical struts, limiting the adoption of additive manufacturing methods.
Innovation Solution
A device for additive manufacturing that utilizes a scaffold stand frame for structural stability, allowing the 3-D concrete printer to be set up with reduced effort and without the need for heavy cranes, by fastening the actuator assembly's struts to existing scaffolding, enabling flexible and efficient deployment and dismantling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If vertical struts are anchored with concrete weights using a crane, then structural stability is improved, but setup time and site preparation complexity increase
Solution Approach 1:
The device divides the support function into two independent parts: the actuator assembly provides mechanical support for the material dispensing unit, while the stand frame independently provides structural stability. This segmentation eliminates the need to anchor vertical struts with heavy concrete weights, as the stand frame alone suffices for stability.
Solution Approach 2:
The stand frame serves multiple functions: it provides structural stability for the actuator assembly, defines the work area boundaries, and can be configured in various arrangements (e.g., rectangular, triangular). This multi-functionality replaces the traditional need for separate anchoring systems like concrete weights and cranes.
2Stability of the object's composition
If a crane is used to transport concrete weights, then structural stability is improved, but site preparation requirements and costs increase
Solution Approach 1:
The invention extracts the anchoring function from the actuator assembly and transfers it to the stand frame. The vertical struts are no longer designed to be anchored with concrete weights; instead, the stand frame's legs provide direct ground contact and stability, eliminating the need for crane-based weight transport and complex site preparation.
Solution Approach 2:
The stand frame is designed as a temporary, easily deployable structure that replaces expensive and complex anchoring systems. It can be quickly set up and dismantled without permanent modifications to the construction site, making the overall system more economical and less intrusive.
3Manufacturing precision
If precise anchoring of vertical struts is performed, then manufacturing precision is improved, but setup time and effort increase
Solution Approach 1:
The stand frame is pre-configured with predetermined dimensions and geometric relationships between its legs. This preliminary preparation ensures that when the actuator assembly is mounted on the stand frame, the material dispensing unit is automatically positioned with the required precision, eliminating the need for time-consuming on-site anchoring and alignment operations.
Data Source
AI summary
A device for additive manufacturing of a component on a work surface has a material dispensing unit for depositing a building material. The device has, moreover, an actuator assembly, to which the material dispensing unit is fastened, and which is configured to move the material dispensing unit relative to the work surface. The actuator assembly has at least one strut, along the longitudinal axis of which the material dispensing unit can be moved. At least one of the struts of the actuator assembly can be fastened for sufficient structural stability to a stand frame which is set up next to the work surface and is independent of the strut.