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Contact Name
Kurnia Dwi Artika
Contact Email
kurnia.2a@politala.ac.id
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elemenjurnal@politala.ac.id
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Kab. tanah laut,
Kalimantan selatan
INDONESIA
Jurnal Elemen
ISSN : 24424471     EISSN : 25812661     DOI : -
Jurnal Elemen is a media for publishing scientific articles in the field of mechanical and automotive engineering which are published regularly in June and December each year. All articles presented are the results of research, conceptual ideas and reviews in the field of mechanical and automotive engineering that have never been published before. Jurnal Elemen managed by P3M in the Tanah Laut State Polytechnic has been ISSN, namely the printed version of ISSN 2442-4471 and online version of ISSN 2581-2661, and for now the Elementary journal has been indexed in ISJD (Indonesian Scientific Journal Database) in PDII-LIPI . then it can be indexed and accredited at SINTA, DOAJ and Scopus.
Arjuna Subject : -
Articles 267 Documents
PERANCANGAN POLA PENGECORAN CLAMPING CONNECTOR UNTUK LISTRIK TEGANGAN TINGGI Pradana, Angga Reyvaldi
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.290

Abstract

The development of casting patterns for clamping connectors in high-voltage electrical applications is the focus of this research. It aims to design products and patterns, produce prototypes, and test the casting process using sand casting techniques. The research methods include a literature review, CAD design, CNC prototype creation, and casting evaluation. Results show that the designed patterns were successfully implemented in the casting process. Tests indicate that the final product meets design specifications and functions well. Although mechanical durability measures like tensile or compressive strength are not included in this study, casting results have been evaluated for shape accuracy, surface quality, and pattern completeness. Further mechanical strength testing is suggested for future research.
ANALISIS VARIASI KEMIRINGAN SUDUT TURBIN SINGLE BLADE TERHADAP EFISIENSI DAN DAYA PADA ARCHIMEDES SCREW MENGGUNAKAN COMPUTIONAL FLUID DYNAMICS (CFD) Ahmad, shofiyuddin Ali; Fajarningrum, Nurmala Dyah; Iswahyudi, Sigit
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.291

Abstract

The potential for renewable energy in Indonesia is abundant, such as water energy. This energy potential can be used for Micro Hydro Power Plants (PLTMH). This study aims to study the effect of turbine head angle and screw angle parameters on the efficiency and power of screw-type water turbines. The angles used are turbine shaft angles of 20 °, 25 °, and 30 ° at screw angles of 22 ° and 26 °. Then a design was made using Autodesk Inventor and then simulated using Ansys software. The results of the study showed that the greatest power and the greatest turbine efficiency were obtained at a screw angle of 26 ° with a turbine shaft angle of 30 ° with a power value of 80072.98 watts and an efficiency of 95.37%. While the lowest power and efficiency were at a screw angle of 22 ° and a shaft angle of 20 ° with a power value of 72643.44 watts with an efficiency of 86.52%. So from this research, it was found that the good angle value is at the variation of the thread angle of 26° and the turbine shaft angle of 30°.
PERANCANGAN CETAKAN PERMANEN CLAMPING CONNECTOR UNTUK LISTRIK TEGANGAN TINGGI Kusuma, Andhika Aji
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.292

Abstract

This research focuses on the design of a clamping connector for high-voltage electrical systems using the permanent mold casting method. The design was developed using CAD/CAM software, with materials selected based on mechanical strength and temperature resistance. A prototype was created using CNC technology to ensure precision. The permanent mold design method was chosen to reduce production costs and improve efficiency without the need for welding processes. The results of the research indicate that this method produces clamping connectors that can be manufactured without the use of welding. The product design and permanent mold have been completed and are ready for production.
ANALISIS PEREKAT CAMPURAN SIKAFLEX-EPOXY TERHADAP KEKUATAN TARIK GESER PADA SINGLE LAP JOINT ALUMINIUM DENGAN VARIASI SURFACE PATTERN Dullah, Muhammad Firdaus Ubai; Hastuti, Sri; Salahudin, Xander
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.293

Abstract

Vehicle construction requires strong joints to connect various materials. Many connections are made by welding, riveting, and adhesive bonding. Adhesive bonding has the advantages of efficiency, corrosion resistance, and ease of application. This research aims to analyze the effect of using sikaflex (SK) - epoxy (EP) mixed adhesive on the shear tensile strength of single lap joint aluminum. The material used was aluminum 5083 and sika flex and epoxy adhesives with an adhesive thickness of 0.4 mm, as well as variations in surface pattern treatment. The results showed that the highest tensile strength and modulus of elasticity in the variation of 10% SK: 90% EP with surface pattern 90º cross-type amounted to 2.34 MPa and 79.29 MPa. The highest strain was in the variation of 30% SK and 70% EP composition with a 0º horizontal surface pattern of 0.0466. The failure modes that occur are cohesive failure and thin-layer cohesive failure.
ANALISIS PENGARUH RASIO SERAT RAMI DAN HIDROKSIAPATIT TERHADAP KEKUATAN MEKANIK KOMPOSIT BERMATRIKS UHMWPE DENGAN METODE HOT PRESS Fathoni, Achmad Luthfian; Salahudin, Xander; Hastuti, Sri
ELEMEN : JURNAL TEKNIK MESIN Vol. 12 No. 1 (2025)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v12i1.294

Abstract

Composite is a material made from two or more combined substances that are bound together. Typically, biomaterials are made of metals. However, metals have a high elastic modulus, which leads to stress shielding, and they are expensive because metals are non-renewable materials. This study aims to analyze the mechanical strength of composites made from ramie fiber, hydroxyapatite, and UHMWPE as a potential non-metallic biomaterial, with variations in composition of 13%: 0%: 87%, 6.5%: 6.5%: 87%, and 0%: 13%: 87%. The composites were manufactured using a hot press at a temperature of 190°C, pressure of 100 bar, and a holding time of 15 minutes. The test results showed the composite containing 13% ramie fiber having the highest impact toughness and tensile strength values of 0.055 J/mm² and 10.75Mpa.
DESAIN DAN ANALISIS THERMAL PADA ELECTRIC VEHICLE (EV) HOME CHARGER 7,4 KW MENGGUNAKAN PENDEKATAN COMPUTATIONAL FLUID DYNAMIC (CFD) Putra, Yoga Anggara; Hilmy, Fuad; Sulistyo, Raka Mahendra; Saleh, Arif Rahman
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.295

Abstract

This research aims to design the EV Home Charger design with a CFD approach to analyze the heat transfer in the EV Home Charger casing using CAE software. The EV Home Charger design made in this research uses polycarbonate as the main material and provides several variations such as without a cooling fan and with a cooling fan. The results of this study show that the temperature generated by the EV Home Charger design without a fan has a higher temperature of 42.94℃, the EV Home Charger with a fan speed of 8 m/s is 40.85℃ with a percentage decrease in temperature of 5%. While the electric power consumed by the EV Home Charger without a fan has a higher power consumption of 68.79 watts and the EV Home Charger with an 8 m/s fan requires 61.93 watts of electric power, so it has a percentage of power reduction of 10%.
PENGARUH VARIASI PENGELASAN SMAW TERHADAP KARAKTERISTIK MEKANIK PADA BAJA GALVANIS Samodro, Tegar; Salahudin, Xander; Sulistyo, Raka Mahendra
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.296

Abstract

Industrial growth, especially iron and steel, is growing rapidly today. In this industry, welding is an important aspect that needs to be considered to achieve results that meet standards. The SMAW welding process is often used to improve joint quality. This study aims to explore the effect of the combination of current strength and electrode diameter on the hardness and tensile strength of galvanized steel welded with an E6013 electrode. The results showed that the combination of current strength of 80 A and electrode diameter of 2.6 mm produced the highest hardness value of 221.5 VHN and the largest tensile strength of 358.16 MPa, with ferrite dominance in the microstructure.
PENGARUH PENGGUNAAN BUSI STANDAR DAN BUSI IRIDIUM TERHADAP KONSUMSI BAHAN BAKAR PADA TOYOTA KIJANG 7K EFI Syamsuddin, Usman; sukri, Sukri
ELEMEN : JURNAL TEKNIK MESIN Vol. 12 No. 1 (2025)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v12i1.297

Abstract

Spark plugs are an important component in the combustion process in the combustion chamber. The type of spark plug used will affect fuel consumption. This study aims to determine the comparison of fuel consumption when using iridium spark plugs and standard spark plugs. The method used is to test on 3 variations of engine rotation, namely 1000, 1500 and 2000 rpm with a duration of 5 minutes. The results of the study show that the average fuel consumption when using iridium spark plugs is greater than that of standard spark plugs. The average fuel consumption using an iridium spark plug at 1000 rpm is 33 mL more wasteful than using a standard spark plug, at 1500 rpm the engine speed is 27 mL more wasteful and at 2000 rpm the engine is more wasteful by 10 mL. So it can be concluded that the use of iridium spark plugs in 3 variations of engine rotation is 20.14% more wasteful than using standard spark plugs.
PENGARUH KONSENTRASI HCl DALAM PROSES HIDROLISIS PADA PEMBUATAN BIOETANOL KULIT PISANG KEPOK Alfiansyah, Irsyad; Mujiarto, Sigit; Sulistiyo, Raka Mahendra; Dewi, Rany Puspita
ELEMEN : JURNAL TEKNIK MESIN Vol. 12 No. 1 (2025)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v12i1.300

Abstract

Dependence on fossil fuels results in depletion of petroleum. In solving this problem, it is necessary to use alternative fuels in the form of bioethanol. Bioethanol is made by utilizing kepok banana peels. There are quite a lot of banana peels, approximately one third of the bananas that have not been peeled. This study was conducted to analyze the ethanol content, water content, density, and viscosity of kepok banana peel bioethanol. This study uses an experimental method of the effect of HCl concentration (2%, 5%, and 8%) in the hydrolysis process in the manufacture of kepok banana peel bioethanol. From the results of the study, the best bioethanol characteristics at a concentration of 2% HCl with an ethanol content of 9%, a water content of 70.52%, a density of 0.9861 g/ml, and a viscosity of 0.010768212 dPa.s. The characteristics of the bioethanol produced are different from the characteristics of pertalite.
PENGECORAN BAHAN CETAKAN PERMANEN TELAPAK KAKI PALSU M. Rizky Dwi Yanza
ELEMEN : JURNAL TEKNIK MESIN Vol. 12 No. 1 (2025)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v12i1.301

Abstract

Molds of prosthetic feet can be made using aluminum materials by the metal casting method. This research aims to create a pattern design of molding materials for prosthetic feet that can reduce the use of the amount of material and time efficiency in making casting patterns. The creation of pattern design relies on the use of CAD software which is used as a reference for making prototypes to be produced through a machining process with the use of CAM technology on CNC machines to ensure the desired level of precision in sand casting trials. The results of this study show that the pattern prototype of the prosthetic sole molding material can meet the design specifications with a high degree of precision and function as an effective molding material.