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Journal of Polymer & Composites Original Research Special issue Open Access

Optimization of FDM 3D Printer Process Parameters For PETG Material Using TOPSIS Technique

  1. V.V.D. Sahithi Department of Mechanical Engineering, VNR VJIET, Hyderabad
  2. N. Srilatha Department of Mechanical Engineering, VNR VJIET, Hyderabad

Abstract

3D printing is a quickly evolving process that builds the desired shape by layering on material. In the era of modern production, additive manufacturing has grown in significance due to its user-friendliness. By using this technique, one can produce complex & intricate geometries with much ease when compared to conventional manufacturing. With the increased demand for 3D printing, consideration towards strength quality and other mechanical properties is also increasing progressively. Optimizing process parameters is crucial for enhancing the mechanical characteristics of items made via additive manufacturing.In this scenario, the primary goal of the current work is to optimize the fused deposition modeling (FDM) 3D printer's process parameters to improve the tensile strength, impact strength, and surface finish of the PETG material manufactured parts. The considered input parameters are raster angles (0o,15oand 30o) layer thickness (0.1mm,0.2mm &0.3mm), and printing temperatures (240oC, 245 oC and 250 oC). Each input parameter is considered at 3 levels. L9 array is considered for experimental design. This multi-objective optimization problem is optimized using the TOPSIS optimization approach in order to determine the ideal process parameters.

Keywords

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