Design and Analysis of a Fused Deposition Modelling Manufactured Part

CAR2017 International Congress of Automotive and Transport Engineering - Mobility Engineering and Environment

工业技术;运输工程

Diaconescu, Claudiu^1 ; Tabacu, Stefan^2 ; Oltean, Alexandru^1

ALSECA Engineering, Bucharest, Romania^1

University of Pitesti, Pitesti, Arge, Romania^2

关键词: Design and analysis;    Fused deposition modelling;    Implicit formulation;    LS-DYNA;    Mechanical characterizations;    Permanent deformations;    Stacking configurations;    Stress state;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/252/1/012040/pdf
DOI  :  10.1088/1757-899X/252/1/012040

学科分类：工业工程学

来源: IOP

【 摘 要 】

Fused deposition modelling (FDM) technology was investigated in order to produce a part designed to support a test load without permanent deformation. A topology optimization script was developed in order to define the final shape of the part. The solver used for the numerical analysis is LS-Dyna (implicit formulation). The algorithm follows the element removal based on the stress state and it can be very simply implemented. This solution of developing a custom code was adopted because plastic strain state was monitored and this is not yet implemented in other topology optimization applications. The results of the traction test were assembled and investigated in order to outline some of the typical parameters used for mechanical characterization. As a general overview of the results it was found that the parts manufactured using a 45°/45° stacking configuration are stronger that the ones manufactured using 0°/90° stacking configuration.