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Content archived on 2024-04-15

Exploitation of Real-Time Imaging for Arc Welding

Objective

The objectives of this project were to develop image analysis systems for single and multi-pass arc-welding operations, together with sensor and control system interfaces, to achieve the real-time adaptive control of automated welding processes in industrial environments. The programme was as follows:
-initial demonstration of laboratory prototype image analysis equipment (achieved March 1986)
-initial demonstration of pre-production prototype automated welding equipment (September 1987)
-industrial evaluation of pre-production prototype automated equipment (May 1988)
-definition of hardware and software specifications for production equipment (August 1988).
Image analysis systems based on the use of structured and incident light sensors have been tested under simulated production conditions for single pass welding. A robot welding system, equipped with structured light vision sensors for automatic seam tracking, has been developed. An arc welding system for multipass welding has also been developed. It consists of a 5-axis robot interfaced to a grey-scale image processing system. Vision-guided multipass welding methods have been studied. Although specialist sensors are currently available, they are limited in application. The impact of this project will be to increase the range of industrial tasks which can be automated, bringing consequent improvements in the quality and economics of arc welding operations. Single pass sensor developments have already been incorporated in industrially evaluated products. Multipass sensor applications have been developed and successfully evaluated.
Image analysis systems based on the use of structured and incident light sensors have been tested under simulated production conditions for single pass welding. A robot welding system, equipped with structured light vision sensors for automatic seam tracking, has been developed.
An arc-welding system for multi-pass welding has also been developed. It consists of a 5-axis robot interfaced to a grey-scale image processing system. Vision-guided multi-pass welding methods have been studied.
Exploitation
Although specialist sensors are currently available, they are limited in application. The impact of this project will be to increase the range of industrial tasks which can be automated, bringing consequent improvements in the quality and economics of arc-welding operations.
Single-pass sensor developments have already been incorporated in industrially evaluated products. Multi-pass sensor applications have been developed and successfully evaluated.

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Programme(s)

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Topic(s)

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Call for proposal

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Funding Scheme

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Coordinator

THE WELDING INSTITUTE
EU contribution
No data
Address
Granta Park, Great Abington
CB1 6AL CAMBRIDGE
United Kingdom

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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

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Participants (3)

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