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All Journal Media Mesin: Majalah Teknik Mesin Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) R.E.M (Rekyasa Energi Manufaktur) Jurnal Turbo : Jurnal Program Studi Teknik Mesin Journal of Research and Technology Manhaj: Jurnal Penelitian dan Pengabdian Masyarakat Otopro Jurnal Mesin Nusantara Jurnal Abdimas ADPI Sains dan Teknologi Indonesian Journal of Innovation Studies METAL : Jurnal Sistem Mekanik dan Termal Academia Open
Iswanto Iswanto
Program Studi Teknik Mesin, Universitas Muhammadiyah Sidoarjo
Religion Aerospace Engineering Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Transportation

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Design and Testing of a Shock Absorber Disassembly Installation Tool: Perancangan dan Pengujian Alat Pemasangan untuk Pembongkaran Peredam Kejut Akhmad Akhirudin; Mulyadi; Rachmat Firdaus; Iswanto
Indonesian Journal of Innovation Studies Vol. 26 No. 2 (2025): April
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijins.v26i2.2174

Abstract

General Background: Shock absorbers are critical components in heavy vehicle suspension systems, functioning to reduce vibration and absorb kinetic energy generated by uneven road surfaces. Specific Background: Maintenance procedures involving shock absorber disassembly and installation commonly require substantial force, extended working time, and present safety risks when performed using conventional manual methods. Knowledge Gap: Existing approaches for servicing shock absorbers lack a dedicated tool that combines operational simplicity, time efficiency, and safer handling during both removal and installation processes. Aims: This study aimed to design, manufacture, and evaluate a tracker-based tool for shock absorber disassembly and installation. Results: The proposed tool was designed using SolidWorks Professional 2018 and fabricated from AISI 1035 steel through cutting, drilling, and assembly processes. Testing results showed the fastest shock absorber spring removal time of 1 minute 25 seconds with an average of 1 minute 29 seconds, while the fastest installation time was 2 minutes 2 seconds with an average of 2 minutes 6 seconds. Spring analysis produced a constant of 71.42 kg/cm² under a 250 kg load and 20 kg/cm² under a 70 kg load. Novelty: The study presents a multifunctional tracker-based mechanical tool specifically developed to support both disassembly and installation of heavy-vehicle shock absorbers while incorporating structural design and numerical simulation evaluation. Implications: The developed tool provides a practical solution for reducing work duration and supporting safer maintenance operations in shock absorber servicing applications.Highlights: Tracker-based equipment completed spring removal within an average of 89 seconds. Assembly procedures required approximately 126 seconds across repeated trials. Structural evaluation and load calculations confirmed operational suitability for maintenance tasks. Keywords: Shock Absorber; Mechanical Tool Design; Suspension Maintenance; Numerical Simulation; Spring Constant
Bamboo slicing machine design to increase skewer production Erwin Yuli Susanto; Mulyadi Mulyadi; Arasy Fahruddin; Iswanto Iswanto
TURBO [Tulisan Riset Berbasis Online] Vol 11 No 1 (2022): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i1.1944

Abstract

Sate is one of the Indonesian specialties whose demand is increasing, so the need for skewers is also getting higher. For this reason, innovation is needed to be able to meet these needs. Because when using skewers in a traditional/manual production method, the quality of the skewers produced is not good and the production capacity is also low. Meanwhile, the existing skewer making machine still has some drawbacks. So in this study, a bamboo cutting machine was designed to increase the production of skewers with innovations to cover the shortcomings of existing machines. In this study, the skewer making machine was designed to have a slicing section, a shavings section (making skewers), and a sharpening section. The skewers produced have a diameter between 2.5 mm to 3 mm and a length of 210 mm with a production capacity of 3000 skewers per hour.
Pengaruh parameter proses friction stir welding dengan material aluminium alloy AA6061-T651 terhadap distorsi dan kekerasan Mulyadi Mulyadi; Rachmat Firdaus; Iswanto Iswanto; Mochammad Nur Rizki
TURBO [Tulisan Riset Berbasis Online] Vol 11 No 2 (2022): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i2.2171

Abstract

Welding is a process of uniting two or more materials into a form of connection using heat energy. Friction Stir Welding (FSW) is a solid-state welding method that can produce high-quality welding joints for some materials with low weldability such as aluminum. The research objective was to determine the effect of process parameters on the distortion and resistance of aluminum AA6061-T651 material through the Brinell hardness test. The FSW tool used has a hexagonal pin geometry. The experimental design used the Taguchi method. This study uses 4 factors and each factor has 4 levels, the elements used are tool rotation speed, welding speed, tool tilt angle, and concave shoulder angle. The responses analyzed are distortion and hardness of the welded joint material. The effect of process parameters on the response was analyzed using ANOVA. The results of ANOVA on distortion obtained the value of Brinell hardness in the weld metal area, and in the TMAZ area. Specimen 13 with tool rotation speed parameters of 3022 rpm, welding speed of 43 mm/min, tool tilt angle of 3.5°, and concave shoulder angle of 2° with a distortion value of 0.117°. Then we get the results of the Brinell hardness of the weld metal which is close to the target of the base metal with the parameter tool rotation speed of 3022 rpm, welding speed of 90 mm/min, tool tilt angle of 2.5°, and concave shoulder angle of 8° with a Brinell hardness value of 75. 7 BHN, and the Brinell hardness value at TMAZ with tool rotation speed parameters of 1208 rpm, welding speed of 65 mm/min, tool tilt angle of 2.5°, and concave shoulder angle of 2° with a Brinell hardness value of 74.7 BHN.
Analisis Pengaruh Nilai Kalor Batubara dan Laju Feed Water terhadap Efisiensi Boiler Fire Tube 10 Ton Menggunakan Metode Langsung Rachmat Firdaus; A’rasy Fahruddin; Iswanto; Ali Akbar; Muhammad Ibrahim
Jurnal Mesin Nusantara Vol 9 No 1 (2026): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v9i1.26619

Abstract

Boiler adalah alat konversi energi yang mengubah energi bakar menjadi energi panas untuk menghasilkan uap. Dalam proses produksi minyak kelapa, PT. XXX menggunakan boiler tabung api berbahan bakar batubara sebagai uap. Tujuan penelitian ini adalah untuk menganalisis pengaruh nilai kalor batubara dan laju feed water terhadap terhadap efisiensi boiler tabung api 10 ton menggunakan teknik langsung. Data penelitian berasal dari lembar catatan operasi boiler untuk tiga periode pengamatan yaitu 3 Februari, 6 Februari, dan 9 Februari 2025, dengan durasi pengamatan 24 jam. Nilai batubara yang digunakan sekitar 24.001 kJ/kg, 22.644 kJ/kg, dan 23.121 kJ/kg. Menurut hasil penelitian, batubara dengan nilai kalor 24.001 kJ/kg menghasilkan efisiensi rata-rata tertinggi sebesar 78%, sedangkan batubara dengan nilai kalor 23.121 kJ/kg menghasilkan efisiensi rata-rata terendah sebesar 72%. Suhu udara rata-rata berkisar antara 83,0°C, 77,4°C, dan 73,4°C selama berbagai periode pengamatan. Temuan analisis menunjukkan bahwa peningkatan suhu dan suhu batubara feed water dapat meningkatkan efisiensi boiler, sedangkan peningkatan laju feed water berpotensi menurunkan efisiensi boiler. Akibatnya, efisiensi boiler tidak hanya dipengaruhi oleh kualitas bakar tetapi juga oleh kondisi operasi sistem. Oleh karena itu, perlu dilakukan penyesuaian terhadap kedua faktor tersebut untuk mencapai kinerja boiler yang optimal.
Analysis of the Effect of Using a Truck Cover and Wind Deflector on the Drag Coefficient of Trucks Moch Miqdar Efendi; Arasy Fahruddin; Windarta Windarta; Edi Widodo; Iswanto Iswanto
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4193

Abstract

Penelitian ini menganalisis pengaruh penggunaan tutup bak dan deflektor angin terhadap koefisien drag (Cd) pada truk menggunakan simulasi terowongan angin. Penelitian meliputi empat konfigurasi: truk tanpa modifikasi, truk dengan tutup bak, truk dengan deflektor angin, dan kombinasi keduanya. Variabel bebas meliputi jenis modifikasi dan kecepatan angin (7 m/s, 8,5 m/s, 10 m/s), sedangkan variabel yang terikat adalah nilai koefisien drag (Cd). Hasil percobaan menunjukkan bahwa kombinasi tutup bak dan deflektor angin memberikan penurunan Cd paling signifikan hingga 34% dibandingkan kondisi tanpa modifikasi, diikuti oleh penggunaan individu tutup bak (16%) dan deflektor angin (24%). Penurunan CD ini mengurangi gaya drag secara signifikan, meningkatkan efisiensi aerodinamika, serta mengurangi konsumsi bahan bakar. Dengan demikian, modifikasi ini direkomendasikan sebagai solusi praktis untuk meningkatkan efisiensi kendaraan niaga dan mendukung ekosistem.
Evaluasi Pemilihan Material pada Pemotong Kertas Manual Kapasitas Besar untuk Optimalisasi Desain Produk Lokal pada Komponen Pisau dan Rangka Iswanto Iswanto; Agung Budy Wijoyo; Mulyadi Mulyadi; A’rasy Fahruddin
TURBO [Tulisan Riset Berbasis Online] Vol 14 No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4424

Abstract

Penelitian ini mengkaji pemilihan material pada pemotong kertas manual kapasitas besar melalui pendekatan berbasis literatur dan data sekunder, dengan mengacu pada konfigurasi umum produk yang telah tersedia di pasaran. Fokus diarahkan pada analisis karakteristik teknis material dua komponen utama—pisau dan rangka—guna merumuskan rekomendasi desain produk lokal yang efisien, andal, dan tetap ekonomis. Analisis difokuskan pada perbandingan teknis material secara komparatif dan evaluasi multi-kriteria melalui weighted decision matrix. Hasil menunjukkan bahwa material seperti baja perkakas D2 dan SKD11, serta baja paduan rendah solid, memberikan performa unggul pada produk profesional, namun tidak efisien secara biaya untuk skala UMKM. Alternatif material seperti SK5 untuk pisau dan AISI 1020 untuk rangka dinilai mampu memberikan kompromi optimal antara performa teknis dan efisiensi biaya, dengan tetap mempertimbangkan ketersediaan lokal dan kemudahan manufaktur. Kajian ini memberikan kontribusi terhadap perancangan ulang pemotong kertas berbasis prinsip rekayasa material yang adaptif terhadap kebutuhan industri nasional skala kecil dan menengah.
Co-Authors A'rasy Fahruddin Agung Budy Wijoyo Akhmad Akhirudin Akhmad Surya Wijianto Ali Akbar Ali Akbar Angga Hari Setyawan Angga Kharisma Putra Aris Hermanto A’rasy Fachruddin Boy Isma Putra Edi Widodo Edi Widodo Eko Prasetio Putro Erwin Yuli Susanto Evina Dewi Lestari Fuad Hamzah Hadi Purnomo Henry Vian Ivanda Herman Herman Marzuki Bin Ibrahim Marzuki Ibrahim Moch Miqdar Efendi Mochammad Nur Rizki Mohamad Miftakhul Rozaq Muhammad Ibrahim Mulyadi Mulyadi Noerdianto Noerdianto Nur Haizal Binti Mat Yaakop @Arifin Prantasi Harmi Tjahjanti Rachmat Firdaus Ribangun Bamban Jakaria Rico Ryan Ernanda Ridho Choirul Anam Taufik Afandi Windarta Windarta Wiwik Sumarmi