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All Journal Rekayasa Mesin INTEK: Jurnal Penelitian Majamecha
Amaluddin, Muh. Nurul Haq
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Computer Science & IT Engineering Mechanical Engineering

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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.
STUDI KARAKTERISTIK BRIKET ARANG BIOMASSA BERBASIS SCREW PRESS Dahlan, Masbin; Sulfiana, Enni; purna yudha, sabdha; Amaluddin, Muh. Nurul Haq
Jurnal Rekayasa Mesin Vol. 15 No. 3 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i3.1824

Abstract

Biomass is material originating from plants that can be used as a source of energy, fuel, or a substitute for products and materials originating from fossils. One of the raw materials for biomass briquettes, an energy alternative, is coconut shells. To increase briquette production and simplify the process, briquette-making machine tools or technology are needed that can be used for large-quantity production. This research aims to design and build a biomass charcoal briquette densification machine using the Screw Press system, as well as test the performance of the densification machine in making biomass charcoal briquettes from coconut shells using tapioca adhesive and kapok leaf extract. The motor power required for the charcoal briquette densification machine is 2.33 PK. This densification machine is capable of producing charcoal briquettes weighing 11,115 grams per minute or 667 kg per hour with a rotation speed of 350 rpm. The average performance efficiency of the densification machine reached 98.33%. The average density of briquettes using tapioca flour adhesive is 0.9941 g/cm3, while for briquettes using kapok leaf extract, it is 0.9579 g/cm3. The drop test results showed an average value of 0.1133% for each type of briquette. The average briquette compression test values were 2.6133 N/mm2 and 2.0733 N/mm2, while the average ash content was 2.94% and 3.20%. The average burning rate of briquettes is 0.1112 g/minute and 0.1273 g/minute for each type of briquette.
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 Bandaso, Zuingli Santo Dahlan, Masbin Fahri Fahri Massaguni, Massriyady Muhammad Luthfi Purna Yudha, Sabdha Sulfiana, Enni