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Elandi
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PERFORMANSI MOTOR BAKAR 6 TAK DENGAN 2 KALI PEMBAKARAN MENGGUNAKAN BAHAN BAKAR PERTAMAX DAN ETANOL Elandi; Eko Siswanto; Agung Sugeng Widodo
Scientific Journal of Mechanical Engineering Kinematika Vol 6 No 2 (2021): SJME Kinematika Desember 2021
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v6i2.203

Abstract

The six-stroke combustion engine is a refinement of the four-stroke engine by adding 2 steps from the four-stroke combustion engine. The 2 steps in question are the second compression stroke and the second expansion stroke, so in one work cycle, there are 2 compressions and 2 combustions. The method used is a direct experimental research method by testing the intended object. Based on previous research, different fuels affect performance (torque, power, and fuel consumption). This study aims to obtain the performance value of Pertamax and Ethanol fuel in a six-stroke engine, the fuel used is Pertamax fuel with a purity of 100% and Ethanol with a purity of 99.7%. Based on the research, analysis, and discussion results, the performance of a six-stroke combustion engine with 2 combustions using Pertamax and Ethanol fuels concluded that the maximum torque using Pertamax fuel is 8.15 N.m at 7200 rpm engine speed. For comparison, Ethanol fuel is 6.59 N.m at 7200 rpm engine speed, the average torque of Pertamax fuel is 1.16% higher than Ethanol fuel. Maximum power for Pertamax fuel is 8.25 HP at 7200 rpm engine speed. For comparison, Ethanol fuel is 6.67 HP at 7200 rpm engine speed.
IDENTIFIKASI KERUSAKAN MESIN TWIN SCREW PENGOLAHAN KARET BASAH DENGAN METODE FAILURE MODE AND EFFECT ANALYSIS DI PT. WILSON LAUTAN KARET Imron Musthofa Imron; Titik Wijayati; Ilyas Sofana; Elandi
Jurnal Humaniora Teknologi Vol. 9 No. 1 (2023): Jurnal Humaniora Teknologi
Publisher : P3M Politeknik Negeri Tanah Laut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/jht.v9i1.126

Abstract

Wilson Lautan Karet is a rubber processing company in Banjarmasin that processes wet rubber into crumb rubber or Crum Rubber by producing semi-finished products namely SIR 20 and SIR 10. Products SIR 20 PT. Wilson Lautan Karet often experiences damage such as contamination and defects in the SIR product, which can be seen in the final part, sorting. Product damage is also caused by machines that are starting to get damaged and dirty so they need maintenance or maintenance (maintenance) on the machines used for production. In this study, the identification of damage to the wet rubber processing Twin Screw machine occurred at PT. Wilson Lautan Karet Banjarmasin and this identification uses the methodFailure Mode And Effect Analysis. The steps are to collect data from observations, interviews, documentation, and data in the form of reports on machine repairs and product results, identify problems with the methodFailure Mode and Effect Analysis (FMEA), and analysis using cause and effect diagrams (fishbone diagram). Based on the RPN critical value obtained, 3 critical risks are found in the Twin Screw engine components, namely the gear joint with a total RPN of 144, axle screw of 189, and bearing of 147. The value of the three risks is above the RPN critical value, namely of 131. It can be concluded that the following components are at risk with the highest RPN values, namely the gear joint, screw axle, and bearing. These three components pass the RPN critical value limit of 131.
IDENTIFIKASI KERUSAKAN MESIN TWIN SCREW PENGOLAHAN KARET BASAH DENGAN METODE FAILURE MODE AND EFFECT ANALYSIS DI PT. WILSON LAUTAN KARET Imron Musthofa Imron; Titik Wijayati; Ilyas Sofana; Elandi
Jurnal Humaniora Teknologi Vol. 9 No. 1 (2023): Jurnal Humaniora Teknologi
Publisher : P3M Politeknik Negeri Tanah Laut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/jht.v9i1.126

Abstract

Wilson Lautan Karet is a rubber processing company in Banjarmasin that processes wet rubber into crumb rubber or Crum Rubber by producing semi-finished products namely SIR 20 and SIR 10. Products SIR 20 PT. Wilson Lautan Karet often experiences damage such as contamination and defects in the SIR product, which can be seen in the final part, sorting. Product damage is also caused by machines that are starting to get damaged and dirty so they need maintenance or maintenance (maintenance) on the machines used for production. In this study, the identification of damage to the wet rubber processing Twin Screw machine occurred at PT. Wilson Lautan Karet Banjarmasin and this identification uses the methodFailure Mode And Effect Analysis. The steps are to collect data from observations, interviews, documentation, and data in the form of reports on machine repairs and product results, identify problems with the methodFailure Mode and Effect Analysis (FMEA), and analysis using cause and effect diagrams (fishbone diagram). Based on the RPN critical value obtained, 3 critical risks are found in the Twin Screw engine components, namely the gear joint with a total RPN of 144, axle screw of 189, and bearing of 147. The value of the three risks is above the RPN critical value, namely of 131. It can be concluded that the following components are at risk with the highest RPN values, namely the gear joint, screw axle, and bearing. These three components pass the RPN critical value limit of 131.
Co-Authors Agung Sugeng Widodo Eko Siswanto Ilyas Sofana Imron Musthofa Imron Titik Wijayati