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All Journal Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Journal of Mechanical Design and Testing (JMDT) Sabangka Abdimas Jurnal Pengabdian Masyarakat Sabangka Jurnal Multidisipliner Kapalamada ANOA: Jurnal Pengabdian Masyarakat Fakultas Teknik PHENOMENON : MULTIDISCIPLINARY JOURNAL OF SCIENCES AND RESEARCH Majalah Pengabdian Indonesia
Putra, Muhammad Idris
Universitas Halu Oleo
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mechanical Engineering Social Sciences Other

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Pengaruh Curing Time Terhadap Sifat Mekanis Komposit Epoxy/Carbon Fiber dan Epoxy/ Glass Fiber dengan Metode Manufaktur Bladder Compression Moulding Muhammad Idris Putra; Gesang Nugroho
Journal of Mechanical Design and Testing Vol 3, No 1 (2021): Articles
Publisher : Departemen Teknik Mesin dan Industri, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (362.449 KB) | DOI: 10.22146/jmdt.57205

Abstract

Material komposit banyak diminati karena memiliki keunggulan yang dibutuhkan dalam bidang engineering. Metode manufaktur komposit secara umum terbagi dua yaitu metode cetakan terbuka (open mould) dan metode cetakan tertutup (close mould). Bladder compression moulding merupakan metode manufaktur komposit cetakan tertutup yang mengaplikasikan tekanan dan pemanasan dalam kerjanya. Tujuan penelitian ini untuk memperoleh waktu optimum pada manufaktur komposit dengan metode bladder compression moulding serta mempelajari pengaruh variasi curing time terhadap sifat mekanis produk komposit yang dihasilkan. Penelitian ini menggunakan dua jenis material serat yaitu serat karbon dan serat gelas. Sebanyak 6 lapis Serat karbon dan 6 lapis serat gelas dibentuk dalam sebuah cetakan (mould) dengan resin epoksi sebagai matriksnya pada tekanan 7 Bar dan temperatur 120°C dengan variasi curing time 10 menit sampai dengan 70 menit dengan kenaikan tiap 10 menit. Hasil uji tarik menunjukkan bahwa kekuatan tertinggi komposit epoksi/serat karbon yaitu pada curing time 40 menit (351MPa) dan komposit epoksi/serat gelas  diperoleh pada curing time 30 menit (279 MPa). Kesimpulan penelitian yaitu produktifitas komposit dapat dimaksimalkan dengan diperolehnya waktu optimum pada pembentukan komposit dengan metode bladder compression moulding. 
Pengaruh Penambahan Suplai Udara Dingin Pada Pengkondisian Udara KTENG-1000 AHU Menggunakan Sistem Kontrol Temperatur Putra, Muhammad Idris; Erdani, Yuliadi; Siswono, Raden Rinova; Badia, Bahdin Ahad; Putra, Fachrizal Cesar
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 10, No 1 (2024): April
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmkn.v10i1.9367

Abstract

Pengkondisian udara merupakan upaya yang dilakukan untuk mengkondisikan udara ruangan sesuai dengan temperatur yang diinginkan.Tujuandalam penelitian ini adalah untuk mengetahui cara mengontrol sistem pendinginan dengan menggunakan temperatur kontrol dan untuk mengetahui pengaruh penambahan suplai udara dingin terhadap parameter-parameter psikrometrik yang terjadi. Hasil penelitian menunjukkan bahwa rangkaian yang digunakan dalam sistem  kontrol sangat menentukan kerja sistem mekanik pada alat KTENG-1000 AHU dan penambahan suplai udara dingin pada proses pendinginan udara ruang terbukti mampu mempercepat proses pendinginan yang terjadi.
ANALISIS PENGARUH KOMPOSISI PEREKAT TERHADAP KARAKTERISTIK TERMAL BRIKET ARANG PELEPAH SAGU SEBAGAI BAHAN BAKAR ALTERNATIF Badia, Bahdin Ahad; Sudia, Budiman; Mangalla, Lukas Kano; Gunawan, Yuspian; Aksar, Prinob; Samhuddin, Samhuddin; Putra, Muhammad Idris; Larobu, Feliks Eldad; Darwin, Darwin; Efendi, Rustam; Defi, Sry; Gamsir, La Ode Abdul; Darwis, Mardis
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 10, No 1 (2024): April
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmkn.v10i1.9208

Abstract

Penelitian ini bertujuan untuk menganalisis pengaruh komposisi perekat terhadap karakteristik termal briket arang pelepah sagu. Tiga komposisi yang diuji adalah briket dengan perbandingan presentase arang pelepah sagu:perekat tepung kanji masing-masing 90:10%, 80:20%, dan 70:30%. Pembuatan briket dilakukan pada tekanan konstan 70 kgf/cm2. Pengujian termal dilakukan menggunakan tungku pembakaran silindris yang dirancang untuk aliran udara secara alami. Setiap komposisi diuji dengan tiga briket. Selama pembakaran, penurunan massa dan peningkatan suhu ruang bakar diamati setiap interval waktu 4 menit menggunakan timbangan digital dan termokopel tipe K. Hasil penelitian menunjukkan bahwa komposisi dengan perbandingan 90% arang pelepah sagu dan 10% perekat tepung kanji menunjukkan kenaikan suhu pembakaran tertinggi. Hasil ini menunjukkan bahwa proporsi perekat tepung kanji yang lebih rendah dalam briket dapat meningkatkan efisiensi pembakaran
ANALYSIS OF THE EFFECT OF MACHINING VARIABLES ON SURFACE ROUGHNESS AND VIBRATION AMPLITUDE IN TURNING AISI 1045 STEEL USING THE TAGUCHI METHOD Aji, Angga Asteriasti; Cesar Putra, Fachrizal; Badia, Bahdin Ahad; Idris Putra, Muhammad; Sahputra, Wahyu Puji; Darwis, Mardis; Hasudungan Simanjuntak, Raja Agung
PHENOMENON : Multidisciplinary Journal Of Sciences and Research Vol 3 No 01 (2025): PHENOMENON : Multidisciplinary Journal Of Sciences And Research
Publisher : Pusat Studi Ekonomi Publikasi Ilmiah dan Pengembangan SDM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62668/phenomenon.v3i1.1406

Abstract

The development of the manufacturing industry is growing very rapidly so that the products of the manufacturing industry must have high quality, especially machining products such as turning products. This research investigates the effect of turning parameters, namely feed and spindle rotation on surface roughness and vibration amplitude of turning AISI 1045 steel using carbide tools. Surface roughness measurements were taken using an OLS4100 Microscope and vibration amplitude was measured using a Vibxpert II. From the results of the analysis conducted, the feed factor is the most significant factor on the results of surface roughness and vibration amplitude. The most optimal machining parameters for surface roughness are feed 0.1 mm/put (lvl 1), spindle speed 400 rpm (lvl4) with a surface roughness value of 4.757 µm. The most optimal machining parameters for vibration amplitude are feed 0.1 mm/put (lvl 1) and spindle speed 100 rpm (lvl 1) with a vibration amplitude value of 0.11 m/s.
REKAYASA PROSES EKSTRAKSI DAN PENGELOLAHAN BIJI NIKEL: TEKNOLOGI, TANTANGAN, DAN PROSPEK MASA DEPAN Sahputra, Wahyu Puji; Badia, Bahdin Ahad; Putra, Muhammad Idris; Putra, Fahrizal Cesar; Aji, Angga Asteriasti
Jurnal Multidisipliner Kapalamada Vol. 4 No. 02 (2025): JURNAL MULTIDISIPLINER KAPALAMADA
Publisher : Pusat Studi Ekonomi, Publikasi Ilmiah dan Pengembangan SDM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62668/kapalamada.v4i02.1546

Abstract

Global nickel demand is rapidly increasing in line with the transition to low-carbon technologies, particularly in the electric vehicle battery industry. This study conducts a systematic literature review of 40 publications (2020–2025) on nickel ore extraction technologies, challenges, and sustainable future prospects. About 55% of the studies discuss pyrometallurgy (RKEF, Blast Furnace) with Ni recovery of 90–95%, energy consumption of 5,500–6,500 kWh/t, and CO? emissions of 15–25 t/t Ni. Around 30% examine HPAL, which processes low-grade limonite with lower energy use, high investment (>USD 1 billion), and complex waste management. The remaining 15% focus on bioleaching (75–85% recovery, ~80% lower energy use, though with long processing time) and selective reduction (Fe?O? reduction at 1,100–1,200 °C, 15–20% lower energy consumption, Ni recovery of 90–93%). Challenges include ore mineralogy variation, nickel price fluctuations, and environmental impact. As the world’s top producer (~50% in 2024), Indonesia must optimize downstream policy and sustainability. Future prospects include commercializing alternative technologies and integrating renewable energy to reduce carbon footprint by up to 60%.
The Importance of Higher and Vocational Education for Students' Future at Kendari City High School Badia, Bahdin Ahad; Putra, Muhammad Idris; Fathur Rachim, La Ode Muhamad; Rahman, La; Darwis, Mardis; Putra, Fachrizal Cesar; Larobu, Feliks Eldad; Rambak, Ezra Pasereng; Gamsir, Laode Abdul; Defi, Sry; Fatana, Ahmad; Jalil, Abdul; Makkajareng, Nizar Fauzan; Aji, Angga Asteriasti; Hasudungan Simanjutak, Raja Agung
Majalah Pengabdian Indonesia Vol. 1 No. 2 (2024): Agustus 2024
Publisher : Teras Kampus as a member of PT Palem Edukasi Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/maindo.v1i2.25

Abstract

Vocational higher education plays an important role in providing a skilled and work-ready workforce. However, in Kendari City there is still an information gap regarding vocational higher education and career opportunities for graduates. This community service activity aims to introduce vocational higher education and disseminate information on new student admissions in 2024 in high schools in Kendari City. The methods used include presentations, discussions, and brochure distribution. The evaluation of the activity showed an increased understanding of vocational education, as well as an increased interest in pursuing it. The brochures provided were considered informative by the participants. This activity succeeded in increasing high school students' understanding and interest in vocational higher education, as well as providing clear information about the 2024 new student admissions. Results showed a 75% increase in understanding and 60% increase in interest in vocational education. As many as 90% of participants rated the brochure as very informative. It is expected that this activity will have an impact on increasing the number of applicants in vocational study programs and providing a better skilled workforce for industries in Kendari City.
From Darkness to Self-Reliance: A Community-Driven Model for Sustainable Public Lighting in Soropia Village Simanjuntak, Raja Agung Hasudungan; Badia, Bahdin Ahad; Aji, Angga Asteriasti; Darwis, Mardis; Putra, Fachrizal Cesar; Putra, Muhammad Idris; Rahman, La
Majalah Pengabdian Indonesia Vol. 2 No. 3 (2025): December 2025
Publisher : Teras Kampus as a member of PT Palem Edukasi Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.69616/maindo.v2i3.434

Abstract

This initiative addressed the critical deficit in public street lighting in Soropia Village, which hindered safety, mobility, and economic activity after dusk. Moving beyond mere infrastructure provision, the project's core objective was to establish a sustainable, community-owned model for public lighting through comprehensive technical capacity building and institutional development. Employing a participatory rural appraisal (PRA) framework, the project engaged 35 local participants in a multi-phase process over June 2025. This included collaborative identification of problem areas, co-design of technical solutions using locally-sourced and recycled materials, and an intensive, hands-on workshop. The technical design specifically utilized recycled metal pipes fabricated by participants, reinforced concrete foundations (40cm x 40cm x 60cm), and a safe electrical system with LED technology, proper grounding, and overcurrent protection connected to the existing grid. The project yielded three primary outcomes: 1) The successful installation of multiple functional, community-fabricated street lights at strategic locations; 2) A measurable enhancement of technical skills among participants, enabling independent maintenance and replication; and 3) The emergence of a formalized community task force committed to the project's longevity. Pre- and post-workshop assessments showed a 75% increase in technical self-efficacy scores among participants. The Soropia model demonstrates that integrating technical education with community-led implementation and early institutionalization fosters profound and sustainable empowerment. The transformation of participants from passive beneficiaries to active managers of their infrastructure is the key success metric. For scalability, we recommend integrating a micro-enterprise component to ensure financial sustainability for ongoing maintenance and expansion, thereby creating a replicable blueprint for rural infrastructural development.
Peningkatan Literasi Teknologi Rotary Kiln Electric Furnace dalam Mendukung Industri Nikel Sulawesi Tenggara Indra; Irwan Syahib, Muhammad; Idris Putra , Muhammad; Setiawan , Adhi; Yuliana, Anita; Hadistio , Ryan Rinaldi; Putra Singarimbun , Aldo Putra; . Rahman , Muhammad Iqbal A. A; Rahman, La
Anoa : Jurnal Pengabdian Masyarakat Fakultas Teknik Vol 4 No 02 (2025): Edisi Desember Tahun 2025 Anoa : Jurnal Pengabdian Masyarakat Fakultas Teknik
Publisher : FAKULTAS TEKNIK UMKENDARI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51454/anoa.v4i02.1573

Abstract

Southeast Sulawesi is one of the largest nickel-producing centers in Indonesia, marked by the booming development of nickel processing industries (smelters) utilizing the Rotary Kiln Electric Furnace technology. This technology serves as the backbone of lateritic nickel refinement. However, access for Mechanical Engineering students to Rotary Kiln Electric Furnace technology for internship and research purposes is very limited, creating a gap between the academic curriculum and industry needs. This community service activity aims to bridge this gap through a scientific seminar that introduces the Rotary Kiln Electric Furnace working principles, key components relevant to Mechanical Engineering, and the available job descriptions in smelters. The implementation method includes interactive material delivery and in-depth discussions. The results of the activity show an increase in students' understanding of the Rotary Kiln Electric Furnace nickel processing cycle and the identification of the crucial role of Mechanical Engineering in the operation and maintenance of the Rotary Kiln, electric furnace, and supporting utility systems. The benefit gained is that students are equipped with foundational knowledge of Southeast Sulawesi's leading nickel technology, enhancing their readiness to compete in the job market within the smelter industry.
Perancangan dan Analisis Struktural Belt Konveyor Mesin Pengayak Pasir Tipe Rotary Berbasis Simulasi Autodesk Inventor untuk Meningkatkan Produktivitas Abd Kadir; Bahdin Ahad Badia; Muhammad Idris Putra; Citra Yurnidar Syah
Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi Vol 12, No 1 (2026): April
Publisher : universitas teuku umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmkn.v12i1.14861

Abstract

Proses pengayakan pasir secara manual di industri konstruksi memiliki produktivitas rendah dan hasil yang tidak konsisten. Penelitian ini bertujuan untuk merancang belt konveyor mesin pengayak pasir tipe rotary dan menganalisis kekuatan struktural rangka menggunakan material aluminium 6061-T6. Metode penelitian meliputi perhitungan manual menggunakan teori mekanika teknik dan simulasi Finite Element Analysis (FEA) dengan software Autodesk Inventor 2020. Parameter yang dianalisis mencakup tegangan maksimum, regangan, displacement, dan faktor keamanan pada rangka mesin dengan beban operasi 4,165 N. Hasil perhitungan manual menunjukkan tegangan maksimum 71,126 MPa, regangan 0,001032, displacement 0,1912 mm, dan faktor keamanan 3,866. Hasil simulasi Autodesk Inventor memberikan tegangan maksimum 52,16 MPa, regangan 0,000635, displacement 0,4068 mm, dan faktor keamanan 5,272. Kedua metode menunjukkan deviasi 26,7% yang masih dalam rentang dapat diterima dan mengkonfirmasi bahwa rangka aman dengan faktor keamanan >3. Mesin yang dirancang mampu mengangkut dan menyaring pasir dengan kapasitas 5,7 ton/jam menggunakan motor listrik 2 HP, meningkatkan produktivitas 11-19 kali lipat dibandingkan metode manual (0,3-0,5 ton/jam). Kecepatan belt optimal 0,5 m/s dengan efisiensi pengayakan 92%. Desain ini telah tervalidasi dan siap untuk fabrikasi prototype.
Peningkatan Aksesibilitas Informasi Akademik Melalui Optimalisasi Web Jurusan dan Repositori Digital di Teknik Informatika UHO Irwan Syahib, Muhammad; Rahman, La; Idris Putra, Muhammad; Setiawan , Adhi; Samsul, Samsul; Indra; Tapsil; Sadno, Muhammad
Anoa : Jurnal Pengabdian Masyarakat Fakultas Teknik Vol 5 No 01 (2026): Edisi Juni Tahun 2026 Anoa : Jurnal Pengabdian Masyarakat Fakultas Teknik
Publisher : FAKULTAS TEKNIK UMKENDARI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51454/anoa.v5i01.1748

Abstract

Stagnation in Tri Dharma data updates and limited access to academic documents on institutional websites can hinder campus bureaucratic efficiency and reduce the quality of public information services for the academic community. This community service activity aims to independently optimize the website of the Department of Informatics Engineering at Universitas Halu Oleo (UHO) as an integrated information hub and a digital document download center (repository). The implementation method comprises two main stages: inventorying and updating the latest Tri Dharma data content, and developing a download center feature based on a Content Management System (CMS). System functionality testing was conducted using the Blackbox Testing method to ensure the technical feasibility of downloading academic guidebooks, accreditation forms, and departmental administrative files. The results of the activity show that all digital repository features were successfully implemented with a 100% technical success rate. Based on the feedback survey conducted among the academic community as users, 51.4% of respondents strongly agreed that the new menu navigation structure has become neater, and 48.6% of respondents strongly agreed that academic information can now be accessed more quickly and efficiently. This activity has successfully transformed the department's information management toward an adaptive digital ecosystem.
Co-Authors . Rahman , Muhammad Iqbal A. A Abd Kadir Abdul jalil Aksar, Prinob Angga Asteriasti Aji Anita Yuliana Bahdin Ahad Badia Budiman Sudia, Budiman Cesar Putra, Fachrizal Citra Yurnidar Syah Darwin Darwin Darwis, Mardis Defi, Sry Fachrizal Cesar Putra Fatana, Ahmad Fathur Rachim, La Ode Muhamad Feliks Eldad Larobu Gamsir, Laode Abdul Gesang Nugroho Hadistio , Ryan Rinaldi Hasudungan Simanjutak, Raja Agung Indra Indra La Rahman Laode Abdul Gamsir Lukas Kano Mangalla, Lukas Kano Makkajareng, Nizar Fauzan Muhammad Irwan Syahib Putra Singarimbun , Aldo Putra Putra, Fachrizal Cesar Putra, Fahrizal Cesar Raden Rinova Sisworo Rahman, La Raja Agung Hasudungan Simanjuntak Rambak, Ezra Pasereng Rustam Efendi Sadno, Muhammad Sahputra, Wahyu Puji Samhuddin Samhuddin, Samhuddin Samsul Samsul Setiawan , Adhi Simanjuntak, Raja Agung Hasudungan Tapsil Wahyu Puji Sahputra Yuliadi Erdani, Yuliadi Yuliana, Anita