最大限度地减少mig焊和tig焊中的焊接缺陷

R. S. Kumar, S. Nath, N. Kumar, K. Karthik
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引用次数: 0

摘要

我们的项目工作是为了尽量减少在刹车装置的MIG焊接过程中发生的焊接缺陷。焊接是将两种相似或不同的金属永久连接起来的过程,其中MIG焊接使用惰性气体作为保护,使用消耗性金属将两种金属连接起来。在制动单元中,进行焊接以将腹板与轮辋连接成制动蹄片。这种焊接应非常坚固,以抵抗在动态条件下剪切力引起的变形。消除吹孔、销吹孔、起焊等常见缺陷。一些TQM工具,如因果图、帕累托图、4m方法和why-why分析被用来识别根本原因。因此,采取补救措施,如清洗衬套、清洗喷嘴、床身的塞子和喂料单元的张紧器,有助于将返工率从5%降低到3%。
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MINIMIZATION OF WELD DEFECTS IN MIG AND TIG WELDING
Our project work done for minimizing the welding defects that occur during MIG welding at brake unit in Brakes India Ltd. Welding is the process of joining two similar or dissimilar metals permanently, where MIG welding uses inert gas for shielding and consumable metal for joining two metals. In Brake unit, the welding is performed for joining the web with the rim to form brake shoe. This welding should be very strong so as to resist the distortion due to shear force under dynamic condition. To eradicate frequent occurrences of defects such as blow hole, pin blow hole and start weld. Some of the TQM tools such as cause and effect diagram, Pareto chart, 4 M Methodology and why-why analysis are used to identify the root cause. Hence remedial action taken such as liner cleaning, nozzle cleaning, stopper at the machine bed and tensionner at the feeding unit, helps in reducing the rework rate from 5% to 3%.
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