Development Of Welding Aid Kit For Shielded Metal Arc Flat Welding

Nur Azizulhakim , Zakaria (2007) Development Of Welding Aid Kit For Shielded Metal Arc Flat Welding. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This thesis contains the development of welding aid kit for shielded metal arc flat welding. The purpose of this thesis are mainly about to understand on welding parameters and hence to develop with a product so that problems that may arise from it can be solved. It also explains about the common arc welding process that usually incorporates inside the part that is about to be processed, how to identify, how to tackle the problem and what solutions are available. Common problem that arise when use this welding operation are hard to maintain the arc length, hard to control the electrode angle when the electrode decrease and inconsistently of travel speed when doing this operation. Main objective is to study of all the parameters and to design a product to make sure that all the parameters can be control when doing the operation. A few solutions to welding process were identified throughout the thesis with details on each one. A product which contains the mechanical movement is chosen and designed to be associated with the welding parameter. Based on the current technologies, the welding aid kit was designed to solve two main problems that are to constant the travel speed and the arc length. The design development of the welding aid kit consists of the arm and base of the product. Few features that were necessary to the design are railway, mechanical part, connector and holder for electrode holder. After the design process, all the manufacturing costs and product specification was stated using some method including Design for Manufacturing (DFM), Design for Assembly (DFA), screening method and design selection criteria. Results from this project have solved the process of designing the welding aid kit and some physical calculation for the design. Thus, for the precise movement, the best mechanism used includes the electronic device system.

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