Automated Flange Fitting for Precise Tubular Section Alignment
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Solution Overview
Problem
The process of attaching flanges to tubular sections in large-scale industrial applications is labor-intensive and time-consuming, especially for non-standard geometries, leading to increased costs and reduced production throughput, and achieving high-precision fit-up is challenging, which can outweigh the structural benefits.
Innovation Solution
An automated system comprising tube rollers, a fitting unit with a locating and pusher roller pinch, and a sensing unit with a controller to adjust the radial offset between the flange and tubular section, facilitating faster and more precise attachment of flanges, including multipiece or non-traditional geometries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated techniques are used for fitting flanges to tubular sections, then productivity and manufacturing precision are improved, but device complexity increases
Solution Approach 1:
The automated flange fitting system is divided into distinct functional modules: a locating roller for positioning, a pusher roller for applying force, and a sensing unit with sensors for detection. Each module operates independently but coordinates through the controller, allowing the complex automation task to be managed through modular components rather than a monolithic system.
Solution Approach 2:
The controller serves as an intermediary between the sensing unit and the fitting unit. It receives signals from sensors detecting radial offset, processes this information, and automatically actuates the locating and pusher rollers to adjust alignment. This intermediary control layer enables automated decision-making without requiring direct human intervention at each step.
2Manufacturing precision
If high-precision fit-up is achieved, then manufacturing precision and structural strength are improved, but loss of time increases
Solution Approach 1:
The sensing unit continuously monitors the radial offset between the flange and tubular section during the fitting process. Sensors detect the actual alignment status and provide feedback signals to the controller. The controller uses this feedback to automatically adjust the locating roller position, iteratively improving alignment precision without requiring time-consuming manual measurements and adjustments.
Solution Approach 2:
Traditional manual alignment methods relying on visual inspection and manual tool adjustments are replaced with an automated sensing and actuation system. Sensors electronically detect radial offset positions, and the controller automatically actuates the locating roller, substituting mechanical human operations with an automated electromechanical system that achieves higher precision faster.
3Manufacturing precision
If automated adjustment of radial offset is implemented, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The locating roller serves multiple functions: it initially positions the flange radially, then acts as an adjustable alignment element whose position is controlled by the locating mechanism. The same component is involved in both the sensing phase (providing a reference surface) and the adjustment phase (being actuated to achieve target radial offset), reducing the need for separate specialized components for each function.
Data Source
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Figure 2A
Figure 2B~2C
AI summary
A system and a method are directed to automated techniques for fitting flanges to tubular sections used to form tubular structures (200), such as large-scale structures (200) used in industrial applications (e.g., wind towers and pipelines). As compared to manual techniques for fitting flanges to tubular sections, the system and the method of the present disclosure facilitate faster attachment of flanges, which may be useful for achieving cost-effective throughput. By way of further comparison to manual techniques, the system and the method of the present disclosure facilitate achieving tighter dimensional tolerances. In turn, such tighter dimensional tolerances are useful for forming thinner-walled, lighter, and lower cost tubular structures. Also automated techniques for fitting flanges to tubular sections facilitate attachment of multi-piece flanges or other non- traditional flange geometries.