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All Journal Rekayasa Mesin MUSTEK ANIM HA INTEK: Jurnal Penelitian Majamecha Journal of Energy, Materials, & Manufacturing Technology Jurnal Polimesin
Muh. Nurul Haq Amaluddin
Politeknik ATI Makassar
Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Materials Science & Nanotechnology Mechanical Engineering

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Rancang Bangun Mesin Hand Traktor Mini Untuk Pembuatan Bedengan Pada Lahan Pertanian Tanaman Bawang Merah Mudriadi, Windi; Amaluddin, Muh. Nurul Haq; Afandy, Ibnu; Bahtiar, Bahtiar
Majamecha Vol. 6 No. 2 (2024): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v6i2.3517

Abstract

Para petani bawang merah dikabupaten enrekang masih banyak yang melakukan proses pembajakan lahan dan pembuatan alur bedengan menggunakan sistem manual atau menggunakan tangan, padahal banyak dampak yang bisa merugikan dari diri sendiri ketika kita masih menggunakan sistem manual dimana bisa melukai tangan ketika melakukan pembajakan kemudian efesiensi waktu yang lama dan menguras banyak tenaga. Penelitian ini bertujuan untuk memudahkan petani bawang merah dalam membajak lahan. Metode penelitian ini adalah metode eksperimental dengan merancang bangun mesin prototipe hand traktor dengan berdimensi panjang 1,4 m, lebar 170 mm dan tinggi 457 mm. Menggunakan 3 poros, poros 1 dan 2 dengan panjang 300 mm dengan diameter 15 mm, sedangkan poros 3 (roda) panjang 300 mm dan diameter 31,50 mm daya motor 0,56 Hp, diameter poros 1 inc,. Dengan pegujian yang dilakukan dilihat bahwa mesin yang dirancang memliki efektifitas dari segi waktu dan kedalaman bedengan bisa diatur.
Reducing Cycle Time in the Manufacturing Process of Circular Pattern Interpolar Products (CPIP) Using Special Fixtures on a 3-Axis CNC Machine Sonjaya, Muhammad Luthfi; Massaguni, Massriyady; Amaluddin, Muh. Nurul Haq
INTEK: Jurnal Penelitian Vol 10 No 2 (2023): October 2023
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v10i2.4439

Abstract

This research focuses on the design of fixture aids to support the manufacturing process of Circular Pattern Interpolation Products (CPIP), such as disk brake components, flanges, turbine disk runners, and other plate components with circular feeding patterns in the 3-Axis CNC machining process. The objective of this study is to achieve more efficient CPIP production times on 3-Axis CNC machines. The research methodology employed a design and build approach, involving the design of fixture aids, fabrication, and testing during the production of turbine disk runners on a 3-Axis CNC machine. This was done by comparing the initial workpiece setup time and the workpiece clamping transfer time using CPIP production aids versus not using CPIP production aids. The results showed that the designed CPIP Fixture significantly reduced the CPIP manufacturing Cycle Time, with a reduction of 63.11% in the initial workpiece setup time and 83.55% during the clamping transfer process.
Design and manufacturing of Welded Vacuum Testing (WVT) tool Ariyanto, Ariyanto; Fitrah, Muhammad Aqdar; salu, Salma; Amaluddin, Muh Nurul Haq; Latif, Arman; Alwi, Rahmat; Halim, Halim
Jurnal Polimesin Vol 22, No 3 (2024): June
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i3.5024

Abstract

To ensure the quality of welded joints in the hull area, welding testing is very important and must be carried out. But unfortunately, currently the quality testing process of welded joints was still limited to penetrant tests and lime tests. The purpose of this study was to obtain a portable welding testing machine that was able to obtain fairly accurate test results on hull welding defects using a vacuum system. The research method is experimental by involving data collection through field experiments, testing is carried out with the resulting weld defect research subjects and the length of testing time on 1G and 3G position welding. The results of the study by compared tests among Welded Vacuum Testing (WVT) machines, Magnetic Particle tests (MP), and Penetrant Tests (PT). The three experiments detected leaking weld defects, spark sparks, pinholes, overlaps, and undercuts. For test results with machines made, welding defects that were successfully detected were leaks in the 1G position welding workpiece and undercut in the 3G position welding workpiece. Air bubbles at a vacuum pressure of 0.2 bar are detected, meaning that there is a defect in the welded joint. This tool can be used in bilge testing.
Analisis Faktor Keamanan Dan Distribusi Tegangan Balok Profil-I Baja AISI 304 Pada Pembebanan Terpusat Menggunakan Simulasi FEM Solidworks Amaluddin, Muh. Nurul Haq; Massaguni, Massriyady; Bandaso, Zuingli Santo; Fahri, Fahri
Majamecha Vol. 7 No. 2 (2025): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v7i2.4376

Abstract

Analisis faktor keamanan (FoS) dan distribusi tegangan pada balok profil-I baja AISI 304 dengan beban terpusat dilakukan menggunakan simulasi Finite Element Method (FEM) di SolidWorks Simulation. Model uji berupa balok IPE-160 sepanjang 1.000 mm dengan kedua ujung ditumpu kaku dan pembebanan 1.000 kgf (sekitar 9,81 kN) di tengah bentang. Hasil menunjukkan tegangan von Mises maksimum 30,72 MPa, jauh di bawah tegangan luluh AISI 304 sekitar 206 MPa, sehingga diperoleh FoS minimum 6,7, melampaui batas minimum Eurocode 3 (lebih dari sama dengan 2,0). Defleksi maksimum 1,25 mm juga berada jauh di bawah batas layanan L/360 sekitar 2,78 mm, menegaskan terpenuhinya kriteria serviceability. Kontur tegangan memperlihatkan konsentrasi maksimum pada zona pertemuan web–flange tepat di bawah titik beban, selaras dengan prediksi teori balok. Reaksi tumpuan terdistribusi merata (±4.905 N per tumpuan) mengonfirmasi keseimbangan statik. Temuan mengindikasikan bahwa balok I AISI 304 aman dan efisien untuk skenario beban terpusat yang dikaji. Kontribusi utama studi ini adalah pemetaan kuantitatif margin keselamatan dan lokasi kritis tegangan pada balok stainless austenitik, yang relevan sebagai rujukan desain berbasis FEM sesuai standar mutakhir.
Co-Authors Afandy, Ibnu Alwi, Rahmat Angger Bagus Prasetiyo Aqdar Fitrah, Muhammad AR, Fiqran Ramadhan Ariyanto Ariyanto Assagaf, Iman Pradana A Assagaf, Iman Pradana A. Azis, Nasruddin Bachtiar, Marsellinus Bahtiar Bahtiar Bandaso, Zuingli Santo Dahlan, Masbin Duma, Gerard Antonini Fahri Fahri Hadi Susanto Halim Halim, Halim Hasan, Sahrul Jamaludin, Ridwan Latif, Arman Mahdali, Al Massaguni, Massriyady Muhammad Luthfi Purna Yudha, Sabdha Ridwan Jamaludin Sabdha Purna Yudha Salu, Salma Sukardin, Muh. Setiawan Sulfiana, Enni Windi Mudriadi