Automated Truss Assembly Jig and Nail Plate Press Workflow
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Solution Overview
Problem
Existing modular building assembly systems suffer from inflexibility, requiring manual intervention, limited material and component compatibility, and lack of quality control, leading to inefficiencies and potential errors.
Innovation Solution
An automated system for manufacturing truss elements comprising multiple stations for cutting and assembling dimensional lumber into angled webs, upright webs, and truss chords, with nail plates and a nail plate press to rigidly interlock components, using alignment features and conveyors for precise assembly and storage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated systems are used for manufacturing truss elements, then productivity and manufacturing precision are improved, but device complexity increases
Solution Approach 1:
The automated manufacturing system is divided into distinct functional groupings: cutting stations for dimensional lumber, assembly stations for truss elements, and quality control stations. Each grouping performs a specific function, allowing the complex overall system to be managed through modular, independent units that can be optimized separately.
Solution Approach 2:
The system employs multi-functional equipment and fixtures that can handle various truss configurations and materials. The automated cutting and assembly equipment is designed to accommodate different dimensional lumber sizes and truss designs, reducing the need for specialized equipment for each task.
2Manufacturing precision
If automated systems are used for manufacturing truss elements, then manufacturing precision and quality control are improved, but device complexity increases
Solution Approach 1:
The system incorporates quality control stations with detection capabilities that monitor truss element assembly precision in real-time. Feedback from these detection devices is used to adjust automated equipment parameters, ensuring consistent manufacturing precision while maintaining manageable system complexity through closed-loop control.
Solution Approach 2:
Manual measurement and alignment operations are replaced with automated positioning systems and computer-controlled cutting equipment. This substitution of mechanical operations with automated systems improves precision while the overall system complexity is managed through integration and control software.
3Loss of substance
If automated systems are used for manufacturing truss elements, then material waste is reduced, but device complexity increases
Solution Approach 1:
The system performs preliminary cutting and preparation of dimensional lumber at dedicated cutting stations before assembly. This preliminary action ensures precise material dimensions are achieved before the components reach the assembly station, minimizing material waste through accurate pre-cutting and reducing the need for rework.
Data Source
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AI summary
Automated systems and methods of manufacturing truss elements for use in modular construction units can include stations, or steps, for forming angled webs, upright webs, and truss chords for use in the truss elements, transferring such angled webs, upright webs, and truss chords onto an assembly jig in a configuration corresponding to the truss element being manufactured, rigidly interconnecting, via nail plates, the angled webs, the upright webs, and the truss chords to form a finished truss element, and unloading the finished truss element from the assembly jig.