Investigation of 3D Printing Filling Structures Effect on Mechanical Properties and Surface Roughness of PET-G Material Products

Year 2017, Volume: 6 Issue: Özel Sayı (ISMSIT2017), 114 - 121, 29.12.2017

Menderes Kam , Ahnmet İpekçi , Hamit Saruhan

Abstract

3D
printing filling structures at prototyping and design stage are increasingly
important issue for products with complicated shapes. The objective of the
present study is to investigate 3D printing filling structures effect on
mechanical properties and surface roughness of PET-G (Polyethylene
Terephthalate Glycol) material products. The PET-G material was preferred
because of its durability, high transparency and odor characteristics. A
variety of methods are used to manufacture products. Each has its advantages
and drawbacks. One of these methods to adopt for this investigation was FDM
(Fused Deposition Modeling) 3D printing method. The FDM method was considered
that it has a direct effect on the mechanical properties and surface roughness
of the product. The experiments were carried out using PET-G materials with
different printing filling structures (rectilinear, triangular, full
honeycomb), at processing speed of 50 mm/s. 
Uniaxial tensile tests, hardness measurements, and surface roughness
measurements of the printed products were carried out. The results were
analyzed and compared.

Keywords

3D Printer, PET-G, FDM, Filling structures

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