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Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE)
Published by Indonesian Society of Applied Science
ISSN : -     EISSN : 27751031     DOI : https://doi.org/10.52158/jamere
Core Subject : Science, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology
The Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) at https://journal.isas.or.id/index.php/JAMERE) is a blind peer-reviewed journal dedicated to the publication of quality research results in the field of Mechanical Engineering and Technological Innovation. Articles published in the JAMERE Journal include original scientific research results (top priority), while for scientific review articles that are new (not top priority) and also comments that are critical of the results of scientific papers published by the JAMERE journal. All publications in the JAMERE journal are open access that allows articles to be freely available online without subscribing to anything.
Arjuna Subject : Energi (semua kategori) - Energi Terbarukan, Keberlanjutan dan Lingkungan
Articles 6 Documents
 1 
Search results for , issue "Vol 2 No 1: Februari 2022" : 6 Documents clear
Perancangan Aktivitas Pemeliharaan dengan Metode Reliability pada Sistem Main Rotor Blade Helikopter BELL 412EP Studi Kasus Penerbad Semarang Bayu Rahmanto; Ferry Setiawan; Edi Sofyan
Journal of Applied Mechanical Engineering and Renewable Energy Vol 2 No 1: Februari 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (296.767 KB) | DOI: 10.52158/jamere.v2i1.243

Abstract

BENGPUSPENERBAD is a central workshop specifically owned by the Indonesian Army in Semarang, where aircraft and helicopters are subject to preventive and corrective maintenance. During the period 2018-2020 the BELL 412 EP helicopters often experienced unscheduled maintenance which resulted in losses resulting in flight failure, this was due to a malfunction in the Main Rotor Blade system. The malfunction of the Main Rotor Blade system is dominated by the hub component, namely on the shaft associated with Crack, Noise and Burn damage, and blade components, namely Corrosions, Nicks, Scratches, Dents, Deformation Holes and Crack. Therefore, the aim of this study is to eliminate failure system and unscheduled maintenance. To eliminate failure and unscheduled maintenance, the authors perform an analysis with the FMEA method and calculate using the distribution method, then design the appropriate activities on the system. The data used for analysis are qualitative and quantitative data, where the authors use data from Time To Failure (TTF) and Time To Repair (TTR). According to calculations using the current distribution we found that the Main Rotor Blade system was on time during the 200 operational flight hours, for which the reliability figure was 0.70. Maintenance activities in accordance with the operational conditions of the main rotor blade operating system are preventive maintenance with activities for tool preparation, inspection or chek, dismantling and servicing, and finally installation and finishing activities.
Analisis Postur Kerja Menggunakan Metode Rapid Entire Body Assesment (REBA) Proses Pembuatan Buis Beton Darsini; Reza Tania Achmadi; Mathilda Sri Lestari
Journal of Applied Mechanical Engineering and Renewable Energy Vol 2 No 1: Februari 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (460.836 KB) | DOI: 10.52158/jamere.v2i1.286

Abstract

There are quite a number of entrepreneurs making precast concrete in Polokarto sub-district, the community works as precast concrete making workers as their life support. The resulting production is in the form of Buis Concrete/Concrete Pipes. The process of making concrete buis, among others: the process of selecting materials, mixing process, lifting process, printing process, drying process. Activities carried out during the production process are carried out repeatedly, causing complaints to workers. These complaints arise due to non-ergonomic body postures causing pain in some parts of the body felt by workers. This study aims to determine the level of risk and the percentage of complaints felt during the process of making concrete buis. The methods used are Nordic Body Map (NBM), and Rapid Entire Body Assessment (REBA). The results of the research from the NBM questionnaire on the manufacture of concrete buis segemn workers' bodies experience complaints are the waist, back, right shoulder, right upper arm and right hand. Research using the REBA method has a risk level ranging from 7-10 so it includes a moderate to high level of risk that requires work posture action. Keywords: Concrete buis making, Work posture, NBM, REBA
Analisis Beban Kerja Mental pada Operator Dump Truck dengan Metode Nasa-TLX Muh Anhar; Darsini; Muhadi
Journal of Applied Mechanical Engineering and Renewable Energy Vol 2 No 1: Februari 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.329 KB) | DOI: 10.52158/jamere.v2i1.288

Abstract

Human Resources (HR) are workers, employees, or laborers working at a company. HR is one of the vital aspects of a company to increase the effectiveness and efficiency of a company. PT. Saptaindra Sejati (PT. SIS) is a coal mining company located in Kalimantan. Operators are parts of company human resources who have important roles in the production. Fatigue can cause excessive mental workload and decline productivity. This study focuses on the mental workload of dump truck operators. It aims to identify the mental workload level of dump truck operators using the NASA-TLX method. The result indicated that the mental workload level indicator is in the high category. The highest indicator is Frustration Level (FR) with a value of 24%, followed by Mental Demand (MD) and Effort (EF) (17%), Own Performance (OP) (16%), and Physical Demand (PD) and Temporal Demand (PD) (13%).
Penggunaan Katalis Kalsium Karbonat Pada Karburasi Padat Baja ST 37 Muh Anhar; Sartika
Journal of Applied Mechanical Engineering and Renewable Energy Vol 2 No 1: Februari 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (581.43 KB) | DOI: 10.52158/jamere.v2i1.292

Abstract

Era yang serba modern saat ini, sangat banyak kita jumpai peralatan yang menggunakan logam sebagai bahan utama pembuatannya. Penggunaan logam yang memiliki kekerasan baik, sangat diperlukan terutama pada bagian mesin yang harus selalu bersinggungan dengan bagian mesin lainnya. Salah satu cara untuk menaikan kekekerasan logam adalah dengan melakukan penambahan karbon pada logam tersebut. Proses penambahan karbon adalah dengan cara karburasi padat. Penggunaan katalis kalsium karbonat juga dapat digunakan untuk mempercepat terjadinya reaksi pada karburasi padat tersebut. Penelitian ini bertujuan untuk mengetahui pengaruh proses karburasi pada baja ST 37 baik itu dengan menggunakan katalis maupun tanpa katalis terhadap uji kekerasan. Dari hasil pengamatan dan pengumpulan data yang telah dilakukan maka didapatlah nilai kekerasan rata - rata raw material adalah sebesar 47,9 HRB. Untuk baja ST 37 yang dilakukan proses heat treatment dengan temperature 900ºC dilakukan proses normalizing dan proses quenching masing – masing memiliki nilai kekerasan rata – rata sebesar 47,5 HRB dan 49,05 HRB. Serta baja ST 37 yang dilakukan proses karburasi padat dengan menggunakan katalis dan tanpa katalis masing – masing memiliki angka kekerasan sebesar 48,6 HRB dan 48,2 HRB. Dari hasil tersebut diatas maka diketahui bahwasannya lama waktu pendinginan berpengaruh terhadap kekerasan baja ST 37. Proses karburasi dapat meningkatkan kekerasan dikarenakan terjadinya penambahan karbon pada baja. Katalis berperan dalam peningkatan kekerasan baja, hal ini karena katalis dapat mempercepat laju reaksi pada karburasi
Evaluasi Produksi Alat Mekanis pada Unit Crushing Plant di PT TOP Kabupaten Mempawah Kalimantan Barat Firman
Journal of Applied Mechanical Engineering and Renewable Energy Vol 2 No 1: Februari 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.718 KB) | DOI: 10.52158/jamere.v2i1.293

Abstract

TOP is a mining company in granodiorite located in Mempawah Regency with a production target of 150 tons per day. Mining activities are carried out by blasting which are transported using a Dump Truck to be sent to the Crushing Plant unit to be processed according to size. The processing of granodiorite in the Crushing Plant unit consists of two stages, namely Primary crushing and Secondary crushing. The tools used are 1 unit of primary crushing (Jaw Crusher) and 1 unit of Secondary crushing (Cone Crusher). The use of crushing equipment is supported by equipment such as hoppers, feeders, screening and belt conveyors. This series of processing produces production in the form of stone ash, 1x1 mm, 1x2 mm, and 0.5 mm. The purpose of this activity is to evaluate the achievement of granodiorite production targets at PT. TOP and knowing the factors that hinder the performance of the crushing plant tool. The results of the evaluation of production on belt conveyors 11,12,13, and 14 are in accordance with the production target at PT. TOP, but the production target is not optimal. For this reason, the company can increase production targets without add a belt conveyor to the Crushing Plant unit. while the factors that hinder the performance of the crushing plant are the slow handling of the damaged crushing plant machine, the material size is too large.
Evaluasi Kinerja Dump Truck di PT HPMU Kabupaten Ketapang Sartika
Journal of Applied Mechanical Engineering and Renewable Energy Vol 2 No 1: Februari 2022
Publisher : Indonesian Society of Applied Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (234.557 KB) | DOI: 10.52158/jamere.v2i1.294

Abstract

HPMU is a mining company and is located in Ketapang Regency, West Kalimantan Province. PT. HPMU has a production target of 360,000 tons/month. The realization of production sometimes does not reach the production target per month due to various factors including weather, availability of tools, use of tools, labor, and so on. This can be monitored in the mine control room, which is tasked with monitoring activities such as reporting ritase, ore mining, weighing, MGB hauling, reporting hours for repairs, reporting for fule filling, and reporting hours meter (HM). The monitoring results are used as a control and reference to analyze the level of production in the field so that if a problem occurs in production activities, it can be addressed immediately. This study aims to evaluate the performance using monitoring data from the mine control room. The calculation of the performance of the Hino type dump truck using data working hours, standby units, and repair hours. The performance evaluation of the means of transportation shows that dump truck (DT) with number 62 has the best performance among 5 dump truck units, with percentage values ​​of mechanical of availability (MA), physical of availability (PA), use of availability (UA) and effective of utilization (EU) 88%, 91%, 75% and 65% respectively. While the DT 65 has the worst performance among 5 dump truck units with MA, PA, UA and EU 59% values, respectively 72%, 77%, 76% and 59%.

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