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All Journal R.E.M (Rekyasa Energi Manufaktur) Jurnal Journal of Management and Industrial Engineering (JMIE)
Sunaryo
Universitas Muhammadiyah Riau
Engineering Industrial & Manufacturing Engineering

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Modifikasi Fuel Filter Pada Backhoe Loader 570 SV Untuk Meminimalisir Kerusakan Pada Sistem Bahan Bakar Irawan Ardiansyah; Sunaryo; Indra Hasan
Journal of Management and Industrial Engineering (JMIE) Vol. 3 No. 1 (2024): MARET
Publisher : LPPM Sekolah Tinggi Teknologi Nusantara Lampung

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Abstract

An efficient and reliable fuel system is key to maintaining optimal performance of construction machinery, and fuel filters play an important role in maintaining fuel quality and preventing contaminants from entering the system. In this research, modifications were made to the fuel filter with a focus on increasing filtering efficiency and contaminant retention capacity. Modifications involve the use of more effective filter materials, and increased dirt retention capacity. Experimental methods were used to evaluate the performance of the modified fuel filter, through field trials. Field trial results show that the modified fuel filter is able to increase filtration efficiency and has a higher contaminant retention capacity compared to the original filter, and the modified fuel filter is successful in improving the overall performance of the 570 SV backhoe loader engine, by reducing the risk of damage to the fuel system and improve machine responsiveness.
The Effect of Motorcycle Wheels (Original Equipment Manufacturer) Reconditioning Process on Mechanical Properties and Microstructure Ahmad Kafrawi Nasution; Alfindo; Sunaryo
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 9 No 2 (2024): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v9i2.1714

Abstract

Wheels are an essential component of a vehicle. Material damage or failure on casting wheel-type wheels is primarily because these wheels receive a reasonably hard impact load due to uneven road conditions or potholes. This condition makes the wheels unable to function normally, and components must be replaced. Given the relatively high cost of replacing wheels, several options are offered to vehicle owners (consumers) to have their wheels reconditioned. This study aims to analyze the effect of the reconditioning process on the mechanical properties and microstructure of the casting wheel material. The sample material is taken from the Original Equipment Manufacturer (OEM) wheel casting wheel in the Disk section for impact testing, Rim for hardness, and microstructure tests. The results are that the reconditioning process affects the mechanical properties and microstructure of the original equipment manufacturer (OEM) alloy wheel material. The decrease in hardness value was 68.86 HBW to 61.59 HBW from the conditions before and after reconditioning. The impact test results where the impact energy absorption is greater after reconditioning is 29.24 J, and the average impact value for wheel specimens after reconditioning is 0.2902 J/mm2. The impact energy value before reconditioning is 7.87 J, and the average impact value is 0.0973 J/mm2. The microstructure obtained is hypereutectic, and the reconditioning process has little effect on the dendritic structure.
Design and Manufacturing of the Steering System in the KMHE Laksamana V 1.0 Prototype Vehicle Budi Istana; Aydil Hijerah Harahap; Sunaryo
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 10 No 2 (2025): December
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v10i2.1771

Abstract

The Energy Efficient Car Contest (Kontes Mobil Hemat Energi or KMHE) is a national competition in Indonesia that challenges university students to develop ultra-efficient prototype vehicles. This study presents the design, simulation, and manufacturing of a custom steering system for the Laksamana V 1.0 single-passenger prototype vehicle developed by Team Laksamana. The steering system was engineered to meet strict requirements for weight, structural reliability, ergonomic fit, and maneuverability under competition conditions. A rack-and-pinion mechanism was selected after comparative evaluation of multiple steering concepts. Computer-Aided Design (CAD) and Finite Element Analysis (FEA) were employed to optimize the geometry and assess the mechanical strength of key components, including a tie rod made from SUS 201 stainless steel. The manufactured system weighs 3.74 kg, delivers a steering ratio of 12:1, and requires 2.8 Nm of torque, ensuring both agility and driver comfort. Although the measured turning radius was 6.3 meters—above the original target—it remains functional for KMHE circuits. FEA results confirmed that all structural stresses and deformations were well within safe limits, validating the design’s stiffness and durability. Overall, the developed steering system is reliable, efficient, and suitable for application in energy-efficient vehicle competitions.
Co-Authors Ahmad Kafrawi Nasution Alfindo Aydil Hijerah Harahap Indra Hasan Irawan Ardiansyah