Welding room development for simultaneous improvement of welder health and weld quality of gas metals arc welded aluminum AA5083-H112

T. Triyono, Anton Harseno, N. Muhayat
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Abstract

This study investigated the weld joint mechanical properties and welding fume exposure associated with Gas Metal Arc Welding of aluminum AA5083-H112 in 27 different welding room environment conditions. These conditions consist of variation in temperature, as well as intake and exhaust wind velocities. The temperature varies as 19 °C, 27 °C and 35 °C. Both the intake and exhaust velocity vary as 0 m/s, 3.1 m/s and 5.5 m/s. The experimental findings underscore the pronounced influence of these factors on both weld quality and welder exposure to fumes. Notably, intake wind velocity emerges as the most critical factor, contributing significantly to 47.68 % in weld joint tensile strength. The temperature emerges as the least critical factor with 12.02 % of contribution. However, temperature became the most critical factor on weld joint impact energy with 54.89 % of contribution while exhaust wind velocity became the least with 3.89 %. Air quality monitoring highlights the importance of optimal intake and exhaust fan configuration to effectively reduce fume exposure. All examined welding room environment condition are deemed safe for the welder, as they do not exceed the Treshold Limit Value (TLV), except the condition where the welding room lacks of air circulation in intake and exhaust wind velocity of 0 m/s. The identified optimal welding room condition exerts a temperature of 27 °C, intake and exhaust wind velocity of 0 m/s and 3.1 m/s respectively. This condition not only achieves established weld quality standards but also ensures compliance with fume exposure regulation. This research provides valuable insights for optimizing welding room environment to simultaneously maintain weld quality and safeguard the well-being of welders
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开发焊接室,以同时改善气体金属弧焊铝 AA5083-H112 的焊工健康和焊接质量
本研究调查了在 27 种不同的焊接室环境条件下,与铝 AA5083-H112 气体金属弧焊相关的焊点机械性能和焊接烟尘暴露。这些条件包括温度变化、进气风速和排气风速。温度分别为 19°C、27°C 和 35°C。进气和排气风速分别为 0 米/秒、3.1 米/秒和 5.5 米/秒。实验结果表明,这些因素对焊接质量和焊工暴露在烟雾中都有明显的影响。值得注意的是,进风风速是最关键的因素,对焊点拉伸强度的影响高达 47.68%。温度是最不重要的因素,占 12.02%。然而,温度成为影响焊点冲击能量的最关键因素,占 54.89%,而排气风速最小,仅占 3.89%。空气质量监测凸显了优化进气和排气风扇配置以有效减少烟尘暴露的重要性。除进风口空气不流通和排风口风速为 0 米/秒的情况外,所有经检测的焊接室环境条件对焊工来说都是安全的,因为它们都没有超过阈限值(TLV)。已确定的最佳焊接室条件是温度为 27 °C,进气和排气风速分别为 0 m/s 和 3.1 m/s。这种条件不仅能达到既定的焊接质量标准,还能确保符合烟尘暴露规定。这项研究为优化焊接室环境,同时保持焊接质量和保障焊工健康提供了宝贵的见解。
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来源期刊
Eastern-European Journal of Enterprise Technologies
Eastern-European Journal of Enterprise Technologies Mathematics-Applied Mathematics
CiteScore
2.00
自引率
0.00%
发文量
369
审稿时长
6 weeks
期刊介绍: Terminology used in the title of the "East European Journal of Enterprise Technologies" - "enterprise technologies" should be read as "industrial technologies". "Eastern-European Journal of Enterprise Technologies" publishes all those best ideas from the science, which can be introduced in the industry. Since, obtaining the high-quality, competitive industrial products is based on introducing high technologies from various independent spheres of scientific researches, but united by a common end result - a finished high-technology product. Among these scientific spheres, there are engineering, power engineering and energy saving, technologies of inorganic and organic substances and materials science, information technologies and control systems. Publishing scientific papers in these directions are the main development "vectors" of the "Eastern-European Journal of Enterprise Technologies". Since, these are those directions of scientific researches, the results of which can be directly used in modern industrial production: space and aircraft industry, instrument-making industry, mechanical engineering, power engineering, chemical industry and metallurgy.
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