Analysis Of Dimensional Accuracy And Surface Finish Performance For A 3D Printer Based On FDM Technique

Johari Faisal Stephen, Amirah Afina (2017) Analysis Of Dimensional Accuracy And Surface Finish Performance For A 3D Printer Based On FDM Technique. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Additive manufacturing is an innovation for rapid technology to speed up the product development.FDM is one of the additive manufacturing technology which is most popular and widely used for production application and prototyping.However,the dimensional accuracy and surface roughness of FDM 3D printers are always not provide consistent and precise measurement of the product being produced.There are a lot of factors that affecting dimensional accuracy and surface roughness include tessellation produced by the software used.The purpose of this project is to analyze the dimensional accuracy and surface finish performance for a 3D printer based on FDM technique.The objectives of this project are to study and utilize three models of FDM 3D printer which are Mojo,Up Plus 2 and Creator Pro.Next,to compare the dimensional accuracy and surface finish of three models FDM 3D printer work piece,as well as to investigate the relationship of dimensional accuracy and surface finish between 3D printers.All these 3D printers are at the same range which are from beginner to intermediate level.Each 3D printer built twice work piece from Solidworks 2013 and twice from Catia V5R19 software.Benchmarking feature identification has been referred as a work piece design. In this project,surface roughness tester and CMM have been used to measure the surface roughness and dimensional accuracy of the work piece respectively.The results revealed that the each 3D printers produced different dimensional accuracy and surface roughness even though ABS material and some parameters like layer thickness,build orientation and raster angle have been fixed to each 3D printer.Lastly,3D printer that provides the smoothest surface roughness and the most accurate dimensional accuracy among these three 3D printers have been analyzed.

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