INVESTIGATION THE EFFECTS OF 3D PRINTER SYSTEM VIBRATIONS ON MECHANICAL PROPERTIES OF THE PRINTED PRODUCTS

Year 2018, Volume: 36 Issue: 3, 655 - 666, 01.09.2018

Menderes Kam , Hamit Saruhan Ahmet İpekçi

Abstract

In recent years, three-dimensional (3D) printing is attracting widespread interest due to functional rapid prototyping and products by reducing the time and material involved in process. Most of 3D printer users focus on mechanical properties of products neglecting vibration characteristics of printer system effects on products. The aim of this study is to investigate the effects of 3D printer system vibrations on mechanical properties of printed products. Fused Deposition Modeling (FDM) technology which is one of most used additive manufacturing process was used to print test samples and Polyethyletherphthalate Glycol (PET-G) was used as material for printing. Vibration measurements were taking for eighteen printed test samples. Vibrations data were measured from 3D printer movement in three axes (x, y, and z) by accelerometers. The processing parameters were selected as occupancy rate, filling structures orientation, and processing speed.
The samples in rectilinear filling structure with occupancy rate of 50 % having different orientations (45° by 45° and 60° by 30°) and processing speeds (3600, 3900, and 4200 mm/min). Tensile test was used to test mechanical properties of test samples. The findings have shown that induced vibration has significant impact on mechanical properties which can be used to control the mechanical properties in terms of tensile stress and elongation of printed products during mass printing. Results showed that vibration amplitude values for orientations of 60° by 30° and processing speed 3600 mm/min are much lower compared to the other test samples. While tensile strength increases about % 5 when orientation is 45° by 45° with 3600 mm/min processing speed. From result obtained, it can be said that orientation of the product has a significant effect on the response of the printer system in terms of vibrations.

Keywords

3D printer, vibration, mechanical properties, PET-G

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