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Abstract
In a search for increases in productivity and to comply with labour laws, companies have focused on questions related to health and safety at work. Among the many risks involved in the welding scenario (fumes, electric shock, mechanical crushing by movable parts in pressure processes, or jig systems, etc.), non-ionizing radiation stands out as a major concern in the arc welding process and some authors have called for attention to measuring ultraviolet (UV) radiation. This radiation measurement can be applied to the development of welding processes or to establish less hazardous conditions for human beings where robotic welding is not suitable. As a result, the aim of this work is to present a comparison of radiation levels in terms of different wavelength ranges (UV-total and visible, UV-A, UV-B, and UV-C) for different arc welding processes (GTAW, GMAW, SMAW, and FCAW). It is expected that the results will lead to a more in-depth discussion on this subject.
Acknowledgements
The authors would like to thank Fapemig for their support in buying the equipment and providing a grant under Process EDT 192/05. They would also like to thank the reviewers for their suggestions and criticisms.