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All Journal Jurnal Nagara Bhakti: Jurnal Pengabdian Kepada Masyarakat Jurnal Mekanikasista
Budi Harjanto
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Humanities Automotive Engineering Control & Systems Engineering Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences Transportation Other

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PELATIHAN KETRAMPILAN PENGELASAN UNTUK KELUARGA PRA-SEJAHTERAH DI DAERAH LATIHAN TARUNA AKMIL Aryananta Lufti; Budi Harjanto; Sukahar
JURNAL NAGARA BHAKTI Vol. 1 No. 2 (2023): FEBRUARI 2023
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/nb.v1i2.42

Abstract

The number of pre-prosperous families in Kalisari subdistrict Tempuran, Magelang regency is still many, there is a strong fact that unemployment is the main factor.Akmil, especially the Defense Mechanical Engineering Study Program, wants to take part in overcoming these problems by providing special skills training to the people of the village,so that they can provide skills that allow them to obtain jobs that are in accordance with the skills obtained from the training.Laboratory TeknikMesin Akmil defense has a fairly complete welding equipment, supported by experienced technicians and instructors can be used to support training programs especially in the field of basic level welding. The basic level welding training Program has been successfully carried out in 2017, 2018,2019, and 2020 with a very positive response from the participants who directly benefited from this training. The skill level obtained in basic welding training includes, arc ignition, 1G and 1F horizontal position welding, security, equipment/clothing and eye protection. The training in 2020 was attended by 11 participants. So that in total from the first batch of 2017 to 2020 there were 41 trainees who had participated.
ANALISIS PENGGUNAAN BUSI RACING TERHADAP UNJUK KERJA MESIN TOYOTA AVANZA 1300 CC Budi Harjanto; Lumintang , D.Ricky; Budi Santoso, Edy
JURNAL MEKANIKASISTA Vol. 11 No. 1 (2023): NOVEMBER 2023
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/jtmp.v11i1.137

Abstract

To overcome this is certainly a need to increase engine performance either by the use of spark plugs can improve the performance of a gasoline engine. Thus improve fuel efficiency and reduce exhaust gas emissions such vehicles. In the spark ignition engine, the spark plug serves to provide a gap in the combustion chamber so that high-voltage electrical pulses to flow out which will further ignite the mixture in the surrounding areas and then move extends throughout the mass of the mixture in the combustion chamber. No wadays many emerging racing spark plugs are made of iridium alloy with a variety of brands that can improve performance and reduce fuel consumption and exhaust emissions.Test object used is the official vehicle of Toyota Avanza 1300cc. In this study, the machine uses an ignition angle 120 and the fuel used is pertamax octane 92. To determine the increase in torque, power, specific fuel consumption and thermal efficiency of the engine speed is used varies from 1800 rpm, 2000 rpm, and up 2300 rpm.Results showed increased engine performance along with increasing rpm. However, a significant improvement and efficient is shown at speed below 2500 rpm in the use of a standard spark plug of 7,852 kg.m torque, 21,96 PS of power, 0,225 specific fuel consumption, and 26,25% of the thermal efficiency at speed 2000 rpm. This is due to the condition of the test equipment used is relatively old and his condition is not normal that rotation variation used is limited, only at low speed only while iridium spark plugs itself will achieve peak performance and efficient in fuel consumption in high rotation above 6000 rpm. Therefore the use of standard spark plugs is more effectively used on the machine Toyota Avanza 1300cc because the machine is a machine with low compression with factory setting (standard) so it is not compatible when using modern spark plugs with high technology such as racing spark plugs.
ANALISIS PERBANDINGAN SIFAT FISIS DAN MEKANIS ALUMINIUM PADA BODY MOBIL LAND ROVER TAHUN 1982 YANG DI LAS DAN ROW MATERIAL Aryananta Lufti; Budi Harjanto; Nurtjahyono; Silitonga, Frangky
JURNAL MEKANIKASISTA Vol. 11 No. 2 (2024): MEI 2024
Publisher : PPM Sdirjianbang Akademi Militer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63824/jtmp.v11i2.180

Abstract

The main objectives of the research are stated in the documents provided, including: Knowing the strength of aluminum bodies, and analyzing the performance of bodies that frequently experience collisions. The scope of this research is the scope of this research includes evaluating the strength of aluminum and the welding process as well as tests carried out to evaluate the physical and mechanical properties of aluminum materials, including tensile, bending, hardness, composition and microstructural analysis tests. The research method used is a quantitative research method that emphasizes the results of experiments in a complete and measurable way, thereby providing a comprehensive understanding of the characteristics of aluminum in automotive applications. The results and findings of this research are. Overall, the research findings contribute to the understanding of aluminum characteristics in automotive applications, and offer implications for improving material selection, welding techniques, and structural design in the automotive sector. Opportunities that develop ahead utilizing the automotive industry can improve practices, products, and development processes, ultimately leading to advances in automotive engineering and design.
Co-Authors Aryananta Lufti Edy Budi Santoso Frangky Silitonga Lumintang , D.Ricky Nurtjahyono Sukahar