Article : Design And Fabrication Of Stab Arm Weldment For Drilling Jig


Design And Fabrication Of Stab Arm Weldment For Drilling Jig


A. Muniappan, C. Thiagarajan

In this ever changing world, every manufactures  moving towards lean technology to make them ever fitter against competition.  Companies which are reluctant to change are swallowed by the market & hence it becomes more important to the company to implement lean technology. The manufacturing process and functional activities of Precision Manufacturing & Auto components (P) LTD, Chennai was studied. After thorough studies, careful analysis and service of the various manufacturing system and technology in process to apply some lean technology to help PMAC become leaner & have become more efficient and effective manufacturing system.          In this work, it is proposed alternative solution easy handling & machining of the given stab arm weldment.          Initially, the machining of the stab arm weldment was done in Horizontal Boring machine even though the machining was precise yet the cost of machining was more and it was time consuming. The project was to suggest the alternative machining of the stab warm weldment using Radial Drilling machine, for this drill jig was designed and fabricated.         Machining of stab arm weldment in Radial Drilling Machine with the help of drill jig result in the cost and time reduction in comparison to Horizontal Boring Machine. Hence it is recommended and followed in the company.  

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