CFS Panel Alignment Assembly with Pin-and-Hole Mechanism
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Solution Overview
Problem
Cold Formed Steel (CFS) systems in curtain wall construction face dimensional inaccuracies, leading to complex and inefficient alignment and sealing methods, which hinder their adoption in high-end finish systems requiring tighter tolerances, and also struggle with wind loads, necessitating improved alignment solutions.
Innovation Solution
A panel system with a frame, exterior finish components, and alignment assemblies featuring upper and lower fixing plates with alignment pins, pin saddles, and adjustable features to accommodate tolerances and wind loads, allowing for accurate panel alignment and installation with reduced onsite labor and enhanced structural stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If visual observation alignment method is used, then installation flexibility is improved, but alignment precision deteriorates
Solution Approach 1:
The patent introduces alignment pins and alignment holes as intermediary elements between panels. The alignment pin protrudes from one panel and fits into the alignment hole of the adjacent panel, serving as a physical mediator that guides precise alignment during installation while maintaining the flexibility of the connection system.
Solution Approach 2:
The patent replaces the visual observation method (optical/mechanical system relying on human judgment) with a dedicated mechanical alignment system consisting of pins and holes. This mechanical substitution provides objective, precise alignment through physical interference fit rather than subjective visual assessment.
2Manufacturing precision
If aluminum curtain wall system is used around perimeter, then alignment precision is improved, but construction cost deteriorates
Solution Approach 1:
The patent segments the alignment function from the structural frame system. Instead of using a complete aluminum curtain wall system for alignment, the alignment function is separated into discrete pins and holes that can be integrated into the CFS framework, reducing material costs while maintaining precision.
Solution Approach 2:
The alignment pins and holes serve multiple functions: they provide alignment precision during installation, act as positioning references for sealant application, and maintain panel spacing. This multi-functionality replaces the need for expensive aluminum perimeter systems that would otherwise be required for similar precision.
3Reliability
If complex sealing methods are used, then joint sealing reliability is improved, but construction complexity deteriorates
Solution Approach 1:
The alignment pins and holes are pre-installed on panels during fabrication before site assembly. This preliminary action ensures that alignment features are already in place, eliminating the need for complex alignment procedures during installation and simplifying the overall construction process while maintaining sealing reliability.
Data Source
AI summary
A panel system configured to be attached to vertically adjacent panels systems includes a frame having a top track, a bottom track and a plurality of generally vertical members extending between the top track and the bottom track. The panel system also includes at least one exterior finish component operably attached to the frame; and a plurality of alignment assemblies operably attached to the frame. Each alignment assembly has a lower fixing plate having an alignment pin extending upwardly therefrom, the lower fixing plate being operably attached to the top track of the frame; and an upper alignment plate being operably attached to bottom track of the frame and having a hole formed therein, wherein the alignment pin of the lower fixing plate is configured to be received by the upper alignment plate attached to a vertically adjacent panel.