Rigging Table Assembly for Precise Joist Positioning and Welding
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Solution Overview
Problem
Conventional joist assembly systems face inefficiencies in dynamically retrieving and precisely positioning components, leading to challenges in forming joists efficiently and accurately.
Innovation Solution
A joist assembly system comprising a combination of material handling systems, welding systems, and a rigging table system that dynamically retrieves, positions, and welds chord and web components to form joists, with the material handling systems loading and positioning components on the rigging table, and the welding systems joining them to create the joist structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional joist assembly systems use traditional material handling methods (forklift, conveyor belt, rollers), then the system complexity is reduced, but the positioning precision and assembly efficiency deteriorate
Solution Approach 1:
The patent replaces traditional mechanical material handling systems (forklifts, conveyor belts, rollers) with an automated robotic system that uses computer-controlled positioning and specialized end effectors. This substitution enables precise positioning of chord and web members while reducing overall system complexity through integration of control functions.
Solution Approach 2:
The robotic system performs self-positioning and self-alignment of joist components through integrated sensors and computer control, eliminating the need for complex external positioning mechanisms. The system automatically retrieves, positions, and assembles components without manual intervention.
2Productivity
If conventional systems use manual assembly methods, then the device complexity is reduced, but the productivity and assembly speed deteriorate
Solution Approach 1:
The patent replaces manual assembly operations with an automated robotic system that performs all material handling, positioning, and welding operations. This dramatically increases assembly speed while the integrated control system manages the complexity of automation.
Solution Approach 2:
The robotic system operates continuously without interruption, performing material retrieval, positioning, and welding in an unbroken sequence. This eliminates idle time and manual transition delays, maximizing productivity throughout the assembly process.
3Manufacturing precision
If conventional systems use traditional welding approaches, then the ease of operation is improved, but the manufacturing precision and weld quality deteriorate
Solution Approach 1:
The patent replaces traditional manual or semi-automated welding with a computer-controlled robotic welding system. This ensures consistent, high-quality welds with precise control of welding parameters while the automated positioning maintains operational simplicity through programming.
Solution Approach 2:
The welding system incorporates sensors and computer control that monitor and adjust welding parameters in real-time, ensuring consistent weld quality. The system receives feedback on component positioning and automatically adjusts welding operations to maintain precision.
4Reliability
If conventional systems require human intervention in assembly, then the adaptability is improved, but the consistency and error rate deteriorate
Solution Approach 1:
The patent replaces human operators with a fully automated robotic system that performs all assembly operations. This eliminates human error and ensures consistent, repeatable assembly quality while the programmed control system handles adaptability to different joist configurations.
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
The system enables efficient and precise assembly of joists by dynamically retrieving and positioning components, improving the assembly process and reducing human intervention, thereby enhancing productivity and reducing errors.
Implementation Method 1
the plurality of welding systems weld the webs to the chords
Data Source
AI summary
A joist assembly system that is structured for dynamic retrieval of components, dynamic and precise positioning and location of retrieved components, assembly of the components to form a joist, and delivery of the assembled joist. The joist assembly system has a plurality of material handling systems, a plurality of welding systems, and a rigging table system. The material handling systems are structured to load and position the components such as chords and webs onto the rigging table. The rigging table in turn supports the chords or webs. Subsequently, the plurality of welding systems weld the webs to the chords to form the joist.