Design of a vision sensor for monitoring microplasma arc welding of metal bellows

Wenzeng Zhang

doi:10.1117/12.570653

14 February 2005 Design of a vision sensor for monitoring microplasma arc welding of metal bellows

Wenzeng Zhang

Proceedings Volume 5634, Advanced Sensor Systems and Applications II; (2005) https://doi.org/10.1117/12.570653
Event: Photonics Asia, 2004, Beijing, China

Abstract

Metal bellows is one of important components for mechanical sealing. Because the seam is very thin, and its spatial position is strictly limited, it is very difficult to observe the welding seam in order to control the variables of welding in real-time, the welding quality can not usually be guaranteed under the traditional technology. A novel approach is proposed, which is able to provide an amplificatory and clear image of the micro-plasma welding seam observed from better perspective, then output the image to computer and process it so that the variables of welding can be controlled in real-time. A special optical sensor has been designed and realized according to the approach. The principle and main technologies of the sensor is described in detail. The results of applying the system in practice approved the approach is successful. The welding quality of the inner circle of metal bellows, as well as the working condition of welder has been improved after the system is applied.

Citation Download Citation

Wenzeng Zhang "Design of a vision sensor for monitoring microplasma arc welding of metal bellows", Proc. SPIE 5634, Advanced Sensor Systems and Applications II, (14 February 2005); https://doi.org/10.1117/12.570653

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