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All Journal Jurnal Pengabdian Kepada Masyarakat Logic : Jurnal Rancang Bangun Dan Teknologi Mars: Jurnal Teknik Mesin, Industri, Elektro dan Ilmu Komputer
Agus Sujatmiko
Politeknik Negeri Malang
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering

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PENGGORENGAN KERIPIK IKAN NILA DENGAN SISTEM TEKANAN RENDAH (VACUUM FRYING) Raden Edy Purwanto; Eka Mandayatma; Agus Sujatmiko
Jurnal Pengabdian Kepada Masyarakat (J-ABDIMAS) Vol 4 No 1 (2017): Jurnal Pengabdian Kepada Masyarakat 2017
Publisher : Publisher UPT P2M Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The purpose of frying process by using oil is to increase calories and drying the fish, as well as to improve the flavor and texture of the food and to create crispy chips. The fish chips are fried in flour with deep fat frying, using cooking oil in large quantities where the processed ingredients are all submerged, so that all materials will get the heat evenly. The size of fish raw is around 3-5 cm.Iif the fish are fried in traditional way, it will change the color and also will cause many missing tail or head so that the shape is no longer interesting. Besides, the original fish chips which are fried without flour are processed under 1 atmosphere. It aims to lower the boiling point below 100 °C to avoid damage to the fish chips so that the shape is good and looks natural. The problem is how to fry tilapia fish which is wholly not destroyed, which looks natural, and has low oil content. The experimental results show the optimal results when fried with low pressure at 90 degree temperature and 90 minute heating time.
An Analysis of Emission Exhaust Gas on 4-Stroke Engine Based on IOT Gas Analyzer Mokhammad Khatami; Agus Sujatmiko; Asrori Asrori
Logic : Jurnal Rancang Bangun dan Teknologi Vol. 23 No. 2 (2023): July
Publisher : Unit Publikasi Ilmiah, P3M, Politeknik Negeri Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31940/logic.v23i2.104-110

Abstract

According to the Air Quality Live Index (AQLI), Indonesia's air quality has continued to deteriorate in the last two decades, so Indonesia is officially ranked 17th as the country with the worst air quality in the world. This is due to the population explosion in Indonesia causing industrial activity to also increase. The high levels of exhaust emissions in vehicles, of course, requires the need for technology to measure vehicle exhaust gases to reduce the impact of air pollution. However, the procurement of exhaust emission test equipment is still expensive, so only certain class workshops have this tool. In addition, the reading results of the vehicle's OBD (On Board Diagnostic) system are only able to display the condition or reading value of the Lambda sensor because other gas sensors readings such as CO2, HC, and CO cannot be displayed on the OBD reading results. The purpose of this study is to describe the design of the tool and the results of measuring CO and HC levels through the Blynk application. Research methods that use several gas sensors, such as MQ-7 and TGS-2602 (CO gas) and MQ-2 and TGS-2611 (HC gas), are then compared with the measurement results of a standard gas analyzer. The results showed that the MQ-7 value is close to the accuracy at 1000 rpm and 5000 rpm, namely 99.68% and 99.49%, while the level of accuracy at 3000 rpm is 99.37%. The TGS-2602 sensor at 1000 rpm only has the best accuracy and accuracy, namely 99.67% and 99.77%. The level of accuracy of the MQ-2 sensor has the best value at 1000 rpm rotation, which is 95.71% and the level of accuracy has the highest value at 7000 rpm rotation, which is 100%. For the level of accuracy of the TGS-2611 sensor, it has an accuracy level of 1000 rpm rotation of 94.65% and the level of accuracy of the sensor obtains very good values ​​at 1000 rpm, 7000 rpm, and 9000 rpm rotation of 100%.
Analisis Perawatan Mesin Bubut Baoji 1660A dengan Metode Reliability Centered Maintenance (RCM) Junaidi Junaidi; Agus Sujatmiko
Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer Vol. 2 No. 4 (2024): Agustus : Mars : Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer
Publisher : Asosiasi Riset Teknik Elektro dan Informatika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/mars.v2i4.264

Abstract

PT Swadaya Graha is a company that works in the field of construction, fabrication and steel manufacturing. One of the machines used in carrying out its operational activities is the Baoji 1660A lathe. The lathe often fails during the production process. This study aims to determine critical components, critical component reliability values, maintenance scheduling intervals and maintenance cost estimates of the Baoji 1660A lathe using the Reliability Centered Maintenance (RCM) method. The results of this study show that the electrical system with an RPN value of 240, v-belt with an RPN value of 168, and gearbox with an RPN value of 60 as critical components. The reliability value of the electrical system approaches 0.5 at a time interval of 640 hours or 80 working days, the reliability value of the v-belt approaches 0.5 at a time interval of 208 hours or 26 working days, and the reliability value of the gearbox approaches 0.5 at a time interval of 384 hours or 48 working days. From the scheduling interval, the estimated total maintenance cost in 2025 is IDR 7,019,092, in 2026 is IDR 3,615,386, in 2027 is IDR 4,187,484, in 2028 is IDR 4,276,752, and in 2029 is IDR 3,615,386.
Co-Authors Asrori Asrori Eka Mandayatma Junaidi Junaidi Mokhammad Khatami Raden Edy Purwanto