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All Journal Jurnal Teknik Mesin Indonesia Berdaya International Journal of Community Service International Journal of Innovation in Mechanical Engineering and Advanced Materials
Nurato Nurato, Nurato
Departement of Mechanical Engineering, Mercu Buana University, Indonesia
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PKM Bagi Bank Sampah Kemuning Melalui Inovasi Produk Daur Ulang Limbah Plastik dan Pengelolaan Manajemen Usaha Dwiaji, Yudhi Chandra; Sulistyowati, Niken; Nurato, Nurato; Latudi, Wahyu Hasan; Arvisyah, Diar
Indonesia Berdaya Vol 5, No 4 (2024)
Publisher : UKInstitute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47679/ib.2024936

Abstract

Mitra bank sampah Kemuning adalah tim pembuatan kompos takakura yang terdiri dari 10 orang dan tim bank sampah yang memiliki 8 nasabah yang akhirnya bergabung bersama-sama memfokuskan pada kegiatan daur ulang organik. Bank sampah ini memiliki konsep pengelolaan sampah yang bersifat sosial dan kebersamaan. Permasalahan mitra berada pada kegiatan rutin yang hanya sebatas pada penumpulan, penimbangan dan penjualan, tanpa melalui program daur ulang yang dilakukan sendiri atau melakukan suatu inovasi dari limbah sampah anorganik. Padahal jumlah sampah anorganik yang dikumpulkan mencapai berat 100 kg/siklus. Permasalahan kedua adalah pengelolaan bank sampah yang berjalan saat ini masih bersifat manual. Termasuk manajemen pemasaran produk yang hanya dalam lingkup komunitas dan wilayah sekitarnya. Tujuan PKM adalah transfer iptek dan meningkatkan pengetahuan dalam pengolahan sampah plastik menggunakan mesin pencacah plastik dan mesin injeksi plastik, kemudian memasarkannya di marketplace dan media sosial. Metode pemberdayaan yang digunakan adalah melalui sosialisasi, pelatihan, evaluasi dan pendampingan. Hasil yang diperoleh dari pelaksanaan PKM adalah pengetahuan teknologi terhadap mesin teknologi tepat guna dan manajemen pemasaran mitra meningkat. Mitra juga dapat memperoleh produk yang bernilai jual lebih yaitu cacahan plastik dan produk daur ulang berupa tatakan/alas gelas.
Analisis Pengaruh Ketidakstabilan Temperatur Terhadap Hasil Kekerasan Meterial dari Proses Heat Treatment Piston Wibowo, Nandar Saliro; Nurato, Nurato
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 7, No 3 (2018)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v7i3.4520

Abstract

Material alumunium alloy merupakan logam paling banyak digunakan sebagai bahan industri dan dunia otomotif salah satunya adalah jenis AC8A. Material tersebut membutuhkan beberapa proses untuk meningkatkan kekuatan material sebelum dipergunakan, salah satu cara yang dapat ditempuh yaitu melalui proses heat treatment. Selama proses heat treatment berjalan, temperatur ruang di dalam ruang furnace sering kali mengalami peyimpangan angka dari temperatur pengaturan. Hal ini di akibatkan dari sirkulasi udara di dalam ruangan furnace kurang maksimal, sehingga terjadi ketidakstabilan temperatur di dalam ruang furnace tersebut yang secara otomatis berpengaruh terhadap temperatur dari material.  Melalui penelitian ini maka akan mengetahui seberapa besar pengaruh ketidakstabialan temperatur dapat mempengaruhi sifat material  terutama kekerasan material dan struktur mikro. Penelitian dilakukan dengan memvariasikan temperatur ruang pada proses aging berlangsung. Melalui hasil pengujian dari material ini, maka didapatkan korelasi antara variasi pengaturan temperatur dengan hasil kekerasan material. Material dengan pengaturan temperatur rendah akan mendapatkan kekerasan yang lebih  tinggi, sedangkan pengaturan peda temperatur lebih tinggi maka akan mendapatkan kekerasan yang lebih rendah
Community Service Apply Technology To Support A Green Economy In The Bait Qurani Islamic Boarding School In Bogor District Nurato, Nurato; Anah, Sri; Romahadi, Dedik; Enggar Pur nama , Rama; Arvisyah, Diar; Aditya, Bima
International Journal Of Community Service Vol. 4 No. 4 (2024): November 2024 (Indonesia - Thailand - Malaysia)
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijcs.v4i4.787

Abstract

Bait Qurani was founded in 2008, under the leadership of Ustad Mahsum Salim. This Islamic boarding school is here to build an intelligent, Hafiz and Moral generation based on sincere intentions fi sabilillah. The results of a survey by a team of lecturers and students from Mercubuana University show that there are several problems that occur in this Islamic boarding school, such as large piles of organic and inorganic waste, the absence of a data collection system for students and a lack of knowledge about product sales. Based on the background above, the aim of holding this PKM activity is to provide learning about the importance of this waste problem which must be overcome, through several activities, where this worthless waste will become valuable, namely through technological processing using a composter, where this organic waste will be processed by fermentation to produce liquid fertilizer that can be sold. Likewise, inorganic waste can be recycled into valuable and useful items such as wallets, etc. To collect student data in Islamic boarding schools, how to sell using Smart Application digital marketing. It is hoped that this community service activity can solve problems in Islamic boarding schools, student data collection will be easier and will improve economic levels, so that the welfare of managers will increase.
Effect of Coconut Shell Powder and MgO-SiO₂ Composite as Flux on Fume Emission, Strength, Hardness, and Microstructure in SMAW Welds : A review Monica, Zelvia; Nurato, Nurato
Jurnal Teknik Mesin (Journal Of Mechanical Engineering) Vol 14, No 3 (2025)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v14i3.36701

Abstract

Shielded Metal Arc Welding (SMAW) is extensively applied across industries due to its simplicity and versatility. However, conventional flux materials commonly used in SMAW produce toxic fumes that pose environmental and health hazards. This review investigates the potential of coconut shell powder, combined with magnesium oxide (MgO) and silicon dioxide (SiO₂), as a sustainable flux alternative. Coconut shell powder, a carbon-rich agricultural waste, has demonstrated effectiveness in reducing fume emissions, while MgO and SiO₂ enhance slag formation, arc stability, and weld metallurgical quality.Replacing conventional flux with up to 30% coconut shell powder has been shown to reduce fume emissions by approximately 40%. The addition of MgO-SiO₂ composites improves weld tensile strength and hardness. Microstructural observations reveal finer grain structures, reduced porosity, and the formation of acicular ferrite, which contributes to increased toughness and crack resistance. This study aims to address gaps in previous research, which often focused on non-welding applications or did not assess key welding characteristics such as fume generation, mechanical properties, and microstructure. By integrating biomass waste and ceramic compounds, the proposed flux formulation offers an eco-friendly and cost-effective alternative for SMAW electrodes.In addition to enhancing weld quality, this approach supports environmental sustainability by utilizing locally abundant, underused natural resources. It also reduces dependence on synthetic flux minerals, making it suitable for widespread use in tropical regions. Further research is recommended to optimize the composition and evaluate performance across various base metals and welding conditions.
Impact of Extended Intervals on Diesel Engine Performance with 15W-40 DH1 Lubricant Oil Suprihatiningsih, Wiwit; Priyanto, Arief; Nurato, Nurato; Chairat, Arief Suardi Nur; Prumanto, Denny
International Journal of Innovation in Mechanical Engineering and Advanced Materials Vol 6, No 2 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/ijimeam.v6i2.25014

Abstract

Engine lubricant oil is crucial for minimizing friction between moving components within an engine, directly influencing the engine's reliability and lifespan. Determining the appropriate oil replacement intervals is essential, as extending these intervals necessitates more rigorous monitoring of both oil quality and engine condition. This study investigated the performance of SAKAI 15W-40 DH1 engine oil in the SAKAI Vibrating Roller SV526 over varying operational periods: 125 hours, 250 hours, 375 hours, and 500 hours. The research involved analyzing oil samples for viscosity, metal additives, total base number (TBN), and contaminants using Fourier Transform Infrared Spectroscopy (FTIR). Additionally, key engine performance indicators, including fuel consumption, valve clearance, and compression pressure, were measured. The findings revealed a gradual decrease in oil viscosity from 13.48 cSt to 11.56 cSt, approaching the minimum acceptable threshold of 11.45 cSt. Concurrently, the Fe content in the oil increased to 11 ppm, indicating wear, while the valve clearance in cylinder number three expanded to 0.48 mm, and compression pressure dropped from 31 kg/cm² to 28 kg/cm². Despite these changes, the oil remained within the standard operational limits, and the engine continued to perform adequately. However, based on the observed trends, extending the oil replacement interval to 500 hours cannot be conclusively recommended, as the oil's condition and engine performance may begin to decline beyond this point.
Introduction To The Types of Pollutants Included In Greenhouse Gases In The Context of Understanding And Addressing Climate Change In Penang, Malaysia Nurato, Nurato; Ayu Arwati, I G; Fitri, Muhammad
International Journal Of Community Service Vol. 5 No. 4 (2025): November 2025 ( Indonesia - Thailand - Malaysia - Timor Leste - Philippines )
Publisher : CV. Inara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51601/ijcs.v5i4.912

Abstract

Climate change is a global challenge that requires a thorough understanding of greenhouse gas (GHG) pollutants. Gases such as carbon dioxide (CO₂), methane (CH₄), and nitrous oxide (N₂O) trap heat in the atmosphere, causing global warming with serious consequences such as extreme weather events and ecosystem disruption. The main sources of emissions come from the energy, industrial, agricultural, and land-use change sectors. This paper emphasizes that identifying the types of GHG pollutants and their characteristics is crucial for developing targeted mitigation strategies. These efforts, which include a transition to renewable energy, increased energy efficiency, and strong policy implementation, are expected to significantly reduce global emissions, stabilize the climate, and control the rate of warming.
Co-Authors Aditya, Bima Anah, Sri Arvisyah, Diar Ayu Arwati, I G Chairat, Arief Suardi Nur Chandra Dwiaji, Yudhi Dafit Feriyanto Enggar Pur nama , Rama Hadi Pranoto Imam Hidayat Joko Joko S., Joko Kushardiyanto Kushardiyanto, Kushardiyanto Latudi, Wahyu Hasan Monica, Zelvia Muhamad Fitri Muhammad Fitri, Muhammad Muhammad Kholil Niken Sulistyowati Priyanto, Arief Prumanto, Denny Romahadi, Dedik Shahruddin Mahzan Wibowo, Nandar Saliro Wiwit Suprihatiningsih