Abstract
<p>Fused<em> Deposition Method (FDM) is one of the additive manufacturing methods or methods used by 3D printers. This FDM technology can produce models with a fairly good level of accuracy and strength. However, until now information about the magnitude of the value of accuracy, and the value of strength is very minimal. Because of this, it is necessary to do a test to determine the strength value of the specimens produced using 3D technology printing. The tests carried out aim to obtain settings optimal parameters on a 3D printer using PLA material which is measured by the magnitude of the tensile strength value of the resulting product. The test is carried out by measuring the amount of stress that occurs when the tensile test is carried out. The test was carried out using 81 samples that were printed using the parameters of infill print speed, fill density, extruder temperature, and layer height. Based on the test results, the highest stress value is 1.092 N/m2 with a combination of parameters infill print speed 60 mm/s, fill density 40%, extruder temperature 200oC, and layer height 0.1 mm. The results of the analysis show that the parameter extruder temperature has the greatest influence on the magnitude of the tensile test value, while the layer height parameter has the smallest effect on the value of the test specimen.</em></p>
Highlights
The tests carried out aim to obtain settings optimal parameters on a 3D printer using PLA material which is measured by the magnitude of the tensile strength value of the resulting product
The test was carried out using 81 samples that were printed using the parameters of infill print speed, fill density, extruder temperature, and layer height
The results of the analysis show that the parameter extruder temperature has the greatest influence on the magnitude of the tensile test value, while the layer height parameter has the smallest effect on the value of the test specimen
Summary
Teknologi yang dominan untuk memproduksi model fisik untuk tujuan pengujian dan evaluasi adalah rapid prototyping (RP). Meskipun prototipe CNC dapat melakukan produksi massal dan dengan biaya lebih murah tetapi untuk pembuatan satu produk dengan tingkat kerumitan yang tinggi, prototipe rapid. 2018) mengungkapkan bahwa salah satu jenis teknologi 3D printing yang banyak digunakan karena memiliki biaya paling murah dalam operasionalnya yaitu FDM Proses dan kinerja 3D printing bergantung pada berbagai parameter yang penting seperti waktu pembuatan, akurasi dimensi, kualitas permukaan, dan karakteristik mekanis dari bagian yang dibuat (Gebisa, dkk., 2019). Hingga saat ini informasi mengenai hasil akhir dari cetak 3D printing seperti berapa nilai kekuatan dari benda kerja yang dihasilkan, nilai keakurasian, dan nilai lainnya masih terbilang sangat minim. Oleh karena itu perlu dilakukan sebuah pengujian untuk mengetahui tingkat kekuatan dari sebuah produk hasil 3D printing. Salah satu cara untuk mengetahui berapa besar kekuatan produk hasil 3D printing yaitu dengan melakukan uji tarik. Selanjutnya dari nilai tegangan tersebut akan dilakukan analisa pengaruh parameter proses terhadap besarnya nilai kekuatan dari spesimen uji yang dihasilkan
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