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KMID : 0895419990090020090
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Journal of Korean Society of Occupational and Enviromental Hygiene
1999 Volume.9 No. 2 p.90 ~ p.99
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Performance Assessment of Fume Extracting Welding Gun
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김태형/Kim, Tae Hyeung
원정일/하현철/최찬기/Won, Jeoung Il/Ha, Hyun Chul/Choi, Chan Ki
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Abstract
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Fume extracting welding gun is one of the promising options for reducing the welder´s fume exposure. The performance of the gun was assessed on the basis of capture efficiency. Capture efficiencies were measured in a test chamber recommended by American Welding Society. The overall capture efficiency was turned out to be above 95%. But it did not include the effect of crossdraft existing in the real work environment because all experiments were conducted in a closed chamber. It thus needs more work in the future. In addition, the future directions for improving the present commercial techniques of the gun were discussed.
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