Design Of Multifunction Welding Jig For Butt, Lapp And T-Joint Using CATIA Software

Janethy, Jahnes (2018) Design Of Multifunction Welding Jig For Butt, Lapp And T-Joint Using CATIA Software. Project Report. UTeM, Melaka. (Submitted)

Text Design Of Multifunction Welding Jig For Butt, Lapp And T-Joint Using CATIA Software - Janethy Jahnes - 24 Pages.pdf - Submitted Version Download (355kB)

Abstract

This project is conducted in order to design a multifunction welding jig that able to secure three types of welding joints which are Butt, Lapp and T-joint in form of 2D drafting and 3D assembly design. The material of workpieces that be welding on multifunction welding jig is aluminium alloy material and has a flat surface with a thickness of 6 mm. Meanwhile, multifunction welding jig is made from mild steel. This project not involved in fabrication stage. The application of the multifunction welding jig is design purposely for gas metal arc welding (GMAW). In order to obtain the best design for the multifunction welding jig, the survey was conducted to identify the user’s preference and priority. Then, House of Quality (HoQ) was established to see the relationship between the customer requirement and technical critical specification. After that, three design concepts were sketched. The screening method was then conducted to select the two designs out of the three concept designs that have a higher rating. To obtain the best design concept, a scoring method was applied. The concept design 2 was selected. This is because concept design 2 gets the highest rank. After that, the concept design was drawn using CATIA Software. The drawing process, begin from draw the multifunction welding jig in 3D modelling. After the 3D modelling finished, all components of multifunction welding jig were assembled in 3D assembly drawing. To ensure that, the components of multifunction welding jig able to be minimized, Design for Manufacture and Assembly (DFMA) using DFA Product Simplification software was conducted to reduce the assembly process and cost of the final design.

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