RAHARJO, HASTO MURTI YUDHO (2026) ANALISIS KEKUATAN KOMPONEN BASE CNC MICRO-MILLING BERBASIS KOMPOSIT BETON POLIMER DENGAN AGREGAT LIMBAH GRANIT MENGGUNAKAN METODE ELEMEN HINGGA. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
CNC micro-milling machines demand at a very high level of structural rigidity and vibration damping stability to maintain precision in the machining process on a microscale to obtain optimal results. This study aims to determine the effect of variations in the percentage of aggregate content of granite waste on the characteristics of the mechanical properties of polymer concrete composites and analyze the strength of the base structure of CNC micro-milling machines using the Finite Element Method. The variation in the percentage of granite waste content tested in this study included 65%, 70%, and 75%. Testing of the mechanical properties of materials is carried out experimentally with reference to the ASTM D638 standard for tensile testing and the ASTM C579 standard for pressure testing. Based on test data, the variation in granite waste content of 75% was proven to produce the most optimal mechanical performance, with an average tensile strength of 15.94 N/mm², compressive strength of 37.89 N/mm², modulus of elasticity of 0.86 GPa, yield strength of 26.85 N/mm², and density of 1833 kg/m³. Furthermore, the mechanical properties of the best variation were applied as material parameters in the simulation of static load of 950 N against three design variations on the machine's base reinforcement using Solidworks software. Based on the results of numerical analysis, Variation-3 is proven to be the best and safest base design because it produces the lowest maximum voltage value of 2,191 N/mm², maximum deformation of 1,302 mm, and a factor of safety value of 6,893. Keywords: Machine Base, CNC Micro-Milling, Polymer Concrete, Granite Waste, Finite Element Method. Mesin CNC micro-milling menuntut pada tingkat kekakuan struktur dan stabilitas redaman getaran yang sangat tinggi untuk menjaga kepresisian dalam proses pemesinan pada skala mikro untuk mendapatkan hasil yang optimal. Penelitian ini memiliki tujuan untuk mengetahui pengaruh variasi pada persentase kandungan agregat limbah granit terhadap karakteristik sifat mekanik komposit beton polimer serta menganalisis kekuatan dengan simulasi pada struktur base mesin CNC micromilling dengan menggunakan Metode Elemen Hingga. Variasi persentase kandungan limbah granit yang diuji pada penelitian ini meliputi 65%, 70%, dan 75%. Pengujian sifat mekanik material dilakukan secara eksperimental dengan mengacu pada standar ASTM D638 untuk pengujian tarik dan standar ASTM C579 untuk pengujian tekan. Berdasarkan data pengujian, variasi kandungan limbah granit sebesar 75% terbukti menghasilkan performa mekanik paling optimal, dengan capaian rata-rata kekuatan tarik sebesar 15,94 N/mm², kekuatan tekan sebesar 37,89 N/mm², modulus elastisitas sebesar 0,86 GPa, kekuatan luluh sebesar 26,85 N/mm², serta massa jenis sebesar 1833 kg/m³. Selanjutnya, properti mekanik dari variasi terbaik tersebut diaplikasikan sebagai parameter material pada simulasi pembebanan statik sebesar 950 N terhadap tiga variasi desain pada tulangan base mesin menggunakan perangkat lunak Solidworks. Berdasarkan hasil analisis numerik, Variasi-3 terbukti sebagai desain base terbaik dan paling aman karena menghasilkan nilai tegangan maksimum terendah sebesar 2,191 N/mm², deformasi maksimum 1,302 mm, serta nilai factor of safety yang mencapai 6,893. Kata Kunci : Base Mesin, CNC Micro-Milling, Beton Polimer, Limbah Granit, Metode Elemen Hingga
| Item Type: | Thesis (S1) |
|---|---|
| NIM/NIDN Creators: | 41322010016 |
| Uncontrolled Keywords: | Base Mesin, CNC Micro-Milling, Beton Polimer, Limbah Granit, Metode Elemen Hingga |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.8 Machine Engineering, Machinery/Teknik Mesin 600 Technology/Teknologi > 690 Buildings/Teknik Bangunan > 691 Building Material/Material Bangunan 700 Arts/Seni, Seni Rupa, Kesenian > 700. Arts/Seni, Seni Rupa, Kesenian > 702 Miscellany of Fine and Decorative Art/Aneka Ragam tentang Kesenian, Aneka Ragam tentang Karya Seni > 702.8 Techniques, Precedures, Apparatus, Equipment, Materials/Teknik, Prosedur, Perlengkapan, Peralatan, Bahan > 702.81 Mixed Media and Composites/Media Campuran dan Komposit |
| Divisions: | Fakultas Teknik > Teknik Mesin |
| Depositing User: | khalimah |
| Date Deposited: | 02 Sep 2026 04:24 |
| Last Modified: | 02 Sep 2026 04:24 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/103565 |
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