Product Development and Reverse Engineering by Using RPT

Mechanical Engineering

The automotive industry has an increasing need for the remanufacturing of spare parts through reverse engineering. In this thesis we will review the techniques used in Fused Deposition Modelling system for the reverse engineering of vintage automotive parts. The aim of this project is to develop a prototype model to optimize the design parameter of spur gear (Alloy steel) face width changing and to find the Allowable stresses to improve the life time the of spur gear, it from physical model. This physical model is scanned by using the 3D scanner machine and obtained the STL file format of manufactured component, this file is converted into CAD model and analyzed by using solid works simulation tool. After analysis, a prototype model is prepared by Fused Deposition model (FDM) method the material used to prepare prototype is poly lactic acid (PLA). In this work, five number of Face Widths are taken to observe the Allowable stresses and compare with the theoretical values. This entire process is involved in Reverse Engineering. The part geometry is first obtained with the help of scanning technology. Then with the use of different software’s, the three-dimensional model of the spur gear is obtained. Once the CAD model is obtained the part is analyzed using SOLIDWORKS simulation tool. After the optimized geometry is obtained, the pattern of the part is obtained using Rapid prototyping machine. This can be used for casting of the original part.

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