Imaduddin Aulia Lasmana, . (2025) ANALISIS KEKUATAN TARIK HASIL 3D PRINTING DENGAN MATERIAL FILAMEN NYLON (PA6 + CF) TERHADAP INFILL PATTERN DAN INFILL DENSITY. Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.
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Abstract
Additive Manufacturing (AM) or 3D printing has become a vital technology in the automotive industry due to its ability to produce complex components with lightweight and high strength. One of the promising materials is carbon fiber-reinforced Nylon 6 (PA6 + CF), owing to its mechanical strength and thermal resistance. However, its performance is highly influenced by printing parameters, especially infill pattern and infill density. This study aims to analyze the effect of infill patterns (Concentric, Gyroid, Honeycomb) and infill densities (25%, 50%, 75%) on the tensile strength of 3D printed specimens using PA6 + CF20%. A total of 27 specimens were printed using the Bambulab P1S printer and tested following ASTM D638 Type I standard at a speed of 5 mm/min. Data analysis was performed using the Representative Sample Method and Taguchi method with the Larger-The-Better Signal to Noise Ratio (SNR) approach. Tensile test results indicated that both infill pattern and density significantly affect the Ultimate Tensile Strength (UTS). The best result was obtained from the Concentric pattern with 75% density, yielding the highest UTS value of 46.19 MPa. In contrast, the lowest UTS was recorded for the Gyroid pattern with 25% density. Higher infill density increases the material volume inside the specimen, enhancing its internal strength. Additionally, the Concentric pattern provides better stress distribution, leading to superior tensile performance.
| Item Type: | Thesis (Skripsi) |
|---|---|
| Additional Information: | [No.Panggil: 2110311080] [Pembimbing: Muchamad Oktaviandri] [Penguji 1: Sigit Pradana] [Penguji 2: Budhi Martana] |
| Uncontrolled Keywords: | 3D Printing, PA6 + CF, Infill Pattern, Infill Density, Tensile Strength, Taguchi, SNR |
| Subjects: | Q Science > Q Science (General) T Technology > T Technology (General) T Technology > TJ Mechanical engineering and machinery T Technology > TS Manufactures |
| Divisions: | Fakultas Teknik > Program Studi Teknik Mesin (S1) |
| Depositing User: | IMADUDDIN AULIA LASMANA |
| Date Deposited: | 04 Aug 2025 09:00 |
| Last Modified: | 04 Aug 2025 09:00 |
| URI: | http://repository.upnvj.ac.id/id/eprint/38858 |
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