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Investigating the Influence of Weld Penetration Area to Prevent Excessive Reinforcement at a Gas Tungsten Arc Welding Using Taguchi Model

期刊名字: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.10, No. 3)

Publication Date:

论文作者 : ; ;

起始页码 : 10049-10056

关键字 : Taguchi Methods; L9 (34) Orthogonal Array; Weld Penetration Area; Heat Input Ratio; Excessive Reinforcement; Gas Tungsten Arc Welding;

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论文摘要

Achieving a joining process with high weld quality not affected by weld defect such as excessive reinforcement, is the bed rock of welding activity. The purposes of this research is to use a performance measure target value for weld penetration area on performance measures as it affects excessive penetration prevention, using Gas Tungsten Arc Welding (GTAW)process. Taguchi robust design used in this research, is aimed at finding controllable process parameter settings such as welding current(I), welding voltage (v), welding speed (s) and shielding gas flow (SGF), for a minimal effect of noise. Controllable variables established in the ranking of 4, 3, 2, 1, were shielding gas flow rate (SGF) 17 lit/min, welding current (I) 155.3 amperes, welding speed (s) 96mm/min and welding voltage 17volts, using the larger is better criterion. The largest effect and least effects of weld penetration area with an optimal value of 26.42 mm2to prevent excessive penetration were welding current and welding speed respectively with optimal heat input ratio value of 21.5KJ/min

更新日期: 2020-10-10 15:45:54