RANCANG BANGUN MESIN GERINDA DUDUK DENGAN METODE FINITE ELEMENT ANALYSIS (FEA) BERBASIS SOLIDWORKS

DANIAL HADZIQ, . (2026) RANCANG BANGUN MESIN GERINDA DUDUK DENGAN METODE FINITE ELEMENT ANALYSIS (FEA) BERBASIS SOLIDWORKS. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Mesin gerinda duduk merupakan mesin perkakas yang digunakan untuk menghaluskan, menajamkan, dan membentuk ulang alat potong. Kinerja mesin tidak hanya dipengaruhi oleh spesifikasi motor penggerak, tetapi juga oleh kekuatan rangka sebagai struktur utama penopang seluruh komponen. Penelitian ini bertujuan untuk menentukan kebutuhan daya mesin gerinda duduk, merancang rangka menggunakan perangkat lunak SolidWorks, menganalisis kekuatan rangka pada material SS304, ASTM A36, dan AISI 1045 menggunakan metode finite element analysis (FEA), menentukan material yang paling optimal, serta melakukan fabrikasi rangka berdasarkan hasil analisis. Penelitian diawali dengan perhitungan kebutuhan daya penggerindaan sebagai dasar pemilihan spesifikasi mesin. Selanjutnya dilakukan perancangan rangka menggunakan profil baja siku berukuran 50 × 50 × 4 mm dengan dimensi 500 × 300 × 900 mm. Analisis kekuatan rangka dilakukan menggunakan simulasi FEA pada perangkat lunak SolidWorks dengan parameter Von Mises stress, displacement, dan safety factor. Hasil simulasi ketiga material kemudian dibandingkan berdasarkan aspek kekuatan struktur untuk menentukan material yang paling sesuai. Material terpilih selanjutnya digunakan pada proses fabrikasi yang meliputi pemotongan, pengelasan, dan finishing. Hasil penelitian menunjukkan bahwa kebutuhan daya mesin gerinda duduk sebesar 0,245 kW, sehingga dipilih mesin gerinda duduk berdaya 250 W dengan kecepatan putar 3000 rpm. Hasil simulasi menunjukkan bahwa ketiga material memenuhi kriteria keamanan struktur dengan nilai Von Mises stress maksimum sebesar 1,896–1,916 MPa, displacement maksimum 0,014–0,015 mm, dan safety factor lebih besar dari satu. Berdasarkan hasil analisis teknis, ASTM A36 dipilih sebagai material yang paling optimal karena memiliki kekuatan yang memadai, nilai safety factor yang tinggi, biaya yang lebih ekonomis, serta mudah diperoleh di pasaran. Fabrikasi rangka berhasil dilakukan sesuai desain sehingga menghasilkan konstruksi yang kokoh dan layak digunakan sebagai penopang mesin gerinda duduk. ************* A bench grinder is a machine tool used for grinding, sharpening, and reshaping cutting tools. The performance of a bench grinder is influenced not only by the specifications of the driving motor but also by the strength of the frame, which serves as the main structural support for all machine components. This study aimed to determine the power requirement of a bench grinder, design the frame using SolidWorks software, analyze the structural strength of the frame made of SS304, ASTM A36, and AISI 1045 using the Finite Element Analysis (FEA) method, determine the most suitable material, and fabricate the frame based on the analysis results. The study began by calculating the grinding power requirement as the basis for selecting the machine specifications. The frame was then designed using 50 × 50 × 4 mm angle steel with overall dimensions of 500 × 300 × 900 mm. The structural analysis was conducted through FEA simulation in SolidWorks by evaluating the Von Mises stress, displacement, and safety factor. The simulation results of the three materials were compared based on their structural performance to determine the most suitable material. The selected material was subsequently used in the fabrication process, which included cutting, welding, and finishing. The results showed that the required grinding power was 0.245 kW, leading to the selection of a 250 W bench grinder operating at 3000 rpm. The FEA results indicated that all three materials satisfied the structural safety requirements, with a maximum Von Mises stress of 1,896–1,916 MPa, a maximum displacement of 0.014–0.015 mm, and a safety factor greater than one. Based on the structural analysis, ASTM A36 was selected as the most suitable material because it provides adequate strength, a high safety factor, lower cost, and good market availability. The fabricated frame was successfully manufactured according to the design specifications, resulting in a rigid and reliable structure suitable for supporting a bench grinder.

Item Type: Thesis (Sarjana)
Additional Information: 1). Lukman Arhami, S.Pd., M.T. ; 2). Ahmad Lubi, M.Pd., M.T.
Subjects: Teknologi dan Ilmu Terapan > Teknik Mesin, Mekanika Teknik
Divisions: FT > D IV Teknologi Rekayasa Manufaktur
Depositing User: Users 35837 not found.
Date Deposited: 10 Aug 2026 03:49
Last Modified: 10 Aug 2026 03:49
URI: http://repository.unj.ac.id/id/eprint/69343

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