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All Journal Jurnal Sains dan Seni ITS Jurnal Teknologi Sinergi EduChemia: Jurnal Kimia dan Pendidikan R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Teknik Otomotif Kajian Keilmuan dan Pengajaran Adimas : Jurnal Pengabdian Kepada Masyarakat DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) JEECAE (Journal of Electrical, Electronics, Control, and Automotive Engineering) J-ADIMAS (Jurnal Pengabdian kepada Masyarakat) Jurnal E-Komtek Jurnal Layanan Masyarakat (Journal of Public Service) Jurnal Geuthee International Journal of Science, Engineering and Information Technology Automotive Experiences Jurnal Abdimas Dosma Nusantara of Engineering (NOE) Madani: Multidisciplinary Scientific Journal Nanggroe: Journal Of Scholarly Service Nanggroe: Journal of Scholarly Service Jurnal Abdimas Dosma
Agus Choirul Arifin
Politeknik Negeri Madiun
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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Pelatihan Pembuatan Mesin Spinner Kripik Ubi Madu Berpenggerak Motor Listrik Pada Karang Taruna Orpega 02 (Organisasi Pemuda Erlangga) Desa Wisata Tawangmangu Jawa Tengah yoga fakhrudi; Kholis Nur Faizin; Agus Choirul Arifin; Indah Puspitasari; Rahayu Mekar Bisono; Yuli Astuti
JURNAL ABDIMAS DOSMA (JAD) Vol. 2 No. 2 (2023): JUNI
Publisher : IKATAN ALUMNI DOSEN MAGANG KEMENRISTEKDIKTI TAHUN ANGKATAN 2017

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70522/jad.v2i2.35

Abstract

In the food processing industry, such as various types of crackers, various fried peanuts and various other packaged foods, the durability and durability of these food products must of course be given great attention. One of the reasons why various foods are not durable and expire quickly is the high oil content contained in these various foods. Manually draining oil is certainly not effective for the production of various foods in large quantities on an industrial scale. For that we need a tool or machine that can drain and reduce the oil content that is still contained in these various foods. The machine used is honey sweet potato chip spinner machine. Tawangmangu Village, Tawangmangu District, Central Java is known as a tourist area which is located on the slopes of Mount Lawu with various kinds of tourist beauty presented. Tourists often come to enjoy the natural beauty of Tawangmangu which is also rich in natural products, one of which is sweet potato honey. However, local residents cannot maximize honey sweet potato as a special food which is used as souvenirs for tourists, so there is a need for an effort to engineer food processing made from honey sweet potato in the form of procurement and training of electric powered honey sweet potato chip spinner machines for Karang Taruna Orpega 02 (Organization Erlangga Youth) in the Tawangmangu Village, Central Java. At the time of implementation, Mitra's enthusiasm was very large to take part in a series of training events for making food slicer spinners. There were 20 members of the youth group who took part in a series of training activities.
Optimization of KOH Catalyst Concentration and Reaction Temperature for Biodiesel Production from Waste Cooking Oil Achmad Aminudin; Bintang Arisendy; Agus Choirul Arifin; Nur Ihda Farikhatin Nisa
EduChemia: Jurnal Kimia dan Pendidikan Vol 11, No 1 (2026)
Publisher : Department of Chemistr Education Faculty of Teacher Training and Education Universitas Su

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/educhemia.v11i1.32452

Abstract

This study aims to analyze the effects of variations in the KOH catalyst concentration and reaction temperature on the yield and characteristics of biodiesel produced from waste cooking oil through a transesterification process. The KOH catalyst concentration was varied at 0.5%, 1%, and 1.5%, while the reaction temperatures were set at 60°C, 65°C, and 70°C, respectively. The oil-to-ethanol molar ratio was maintained at 1:6, with a reaction time of 90 minutes and a stirring speed of 500 rpm. The results show that both the catalyst concentration and the reaction temperature influence the biodiesel yield and physical properties, including the density, viscosity, flash point, and calorific value. The highest biodiesel yield of 93.36% was achieved at a KOH concentration of 1% and a reaction temperature of 65°C. The biodiesel density ranged from 844.7 to 870.2 kg/m³, meeting the SNI 7182:2024 standard. The lowest viscosity, 4.78 cSt, was obtained at KOH concentrations of 1.5% and 70°C and remained within the acceptable standard range. All the samples exhibited flash points above 153.5°C. The highest calorific value, 49,682 J/g, was recorded at a KOH concentration of 1.5% and a reaction temperature of 70°C. Overall, the optimal conditions for maximum yield were 1% KOH and 65°C, whereas a higher reaction temperature of 70°C enhanced the energy quality of the biodiesel.
Weaving Architecture Effects on Mechanical and Chemical Performance of Alkali-Treated Coconut Fiber Composites Agus Choirul Arifin; Deni Nur Fauzi; Noorsakti Wahyudi; Agus Susanto; Pradhana Kurniawan; Yoga Ahdiat Fakhrudi; M. Shafwallah Al. Aziz
Jurnal E-Komtek Vol 10 No 1 (2026)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v10i1.3245

Abstract

This study examines the effect of fabric architecture and alkali treatment on the properties of coconut fiber–polyester composites as an alternative environmentally friendly material. Coconut fibers were treated with 15% NaOH for 2 hours and woven in basket weave and twill weave patterns. The composites were made using a vacuum-assisted resin infusion method with a fiber fraction of 40%, and compared with E-glass composites as a control. FTIR analysis showed a decrease in the intensity of the absorption band in the range of 1200–1300 cm⁻¹, indicating a reduction in lignin content after alkali treatment. The mechanical test results showed that the basket weave composite had higher tensile and flexural strengths, respectively, of 20.40 N/mm² and 78.45 N/mm², compared to the twill weave at 12.98 N/mm² and 52.31 N/mm². However, the highest impact resistance was obtained in the twill weave at 23.61 J/mm². The results of the study indicate that the weave architecture has a significant effect on the mechanical performance of the composite and has the potential to support the development of sustainable composite materials for engineering applications.
The Effect of Hollow Glass Microsphere (HGM) and Iron Sand Volume Fraction on the Hardness and Wear Rate (Tribological Properties) of Composite Train Brake Blocks Rahayu Mekar Bisono; Aulia Raiz Khoirudin; Agus Choirul Arifin; Deby Ika Hariani; Alfi Tranggono Agus Salim; M. Shafwallah Al. Aziz. R; Nyi Selfi Rosalina Apriliya
R.E.M. (Rekayasa Energi Manufaktur) Jurnal Vol 11 No 1 (2026): June
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/r.e.m.v11i1.1839

Abstract

This research addresses the wear susceptibility of pure polymer composites in railway brake blocks and the lack of studies on the synergistic effect of iron sand and Hollow Glass Microsphere (HGM) fillers under the SNI 8832:2019 standard. The study evaluates the impact of HGM volume fraction variations on composite hardness and wear rate. A quantitative experimental approach was employed using hand lay-up fabrication, combining an epoxy resin matrix, 15% iron sand, and varying HGM fractions (10%, 15%, 20%). Mechanical characterizations involved Shore D Durometer and Pin-on-Disc Tribometer tests. Results showed that HGM addition caused a statistically insignificant decrease in hardness, remaining well within the SNI 8832:2019 standard range. Conversely, increased HGM significantly reduced the specific wear rate, drastically improving wear resistance. In conclusion, while meeting hardness limits, the composite’s excessively high wear resistance requires further compositional modification to function ideally as a consumable friction material.
MESIN UKIR COMPUTER NUMERICAL CONTROL (CNC) MINI UNTUK MENINGKATKAN KUALITAS KERAJINAN KAYU Deni Nur Fauzi; Agus Choirul Arifin; Yoga Ahdiat Fakhrudi; Dimas Ari Setyawan; Pradhana Kurniawan; Imam Basuki; Eric Rico Ardiansyah
DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Vol 10 No 1 (2026)
Publisher : Politeknik Negeri Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32486/dikemas.v10i1.1029

Abstract

Desa Bantur, Kabupaten Malang, merupakan salah satu sentra industri mebel yang menghasilkan limbah kayu dalam jumlah besar. Karang Taruna Rajawali 56 telah berupaya mengolah limbah tersebut menjadi kerajinan kayu bernilai ekonomis, seperti jam ukir dan plakat ukir. Namun, keterbatasan teknologi manual menyebabkan rendahnya presisi dan efisiensi produksi. Kegiatan Pengabdian kepada Masyarakat (PkM) ini bertujuan meningkatkan kualitas dan produktivitas kerajinan kayu melalui diseminasi teknologi mesin ukir CNC mini. Metode pelaksanaan meliputi sosialisasi, pelatihan operasional mesin CNC, praktik produksi, serta pendampingan pemasaran digital. Hasil kegiatan menunjukkan peningkatan signifikan: peserta mampu mengoperasikan CNC secara mandiri, presisi ukiran meningkat hingga 90% dibanding metode manual, serta kapasitas produksi naik dari 2 unit menjadi 5 unit per hari. Pemasaran juga berkembang melalui marketplace dan media sosial. Kegiatan ini berhasil memberdayakan pemuda desa, mengurangi pengangguran, serta meningkatkan daya saing produk kerajinan.
PENERAPAN TEKNOLOGI RUNNING TEXT SEBAGAI MEDIA DISEMINASI INFORMASI DIGITAL UNTUK MENINGKATKAN EFEKTIVITAS LAYANAN INFORMASI Farid Majedi; Deni Nur Fauzi; Agus Choirul Arifin; M. Shafwallah Al Aziz R; Andhika Putra Widyadharma; Rahayu Mekar Bisono
DIKEMAS (Jurnal Pengabdian Kepada Masyarakat) Vol 10 No 1 (2026)
Publisher : Politeknik Negeri Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32486/dikemas.v10i1.1142

Abstract

Transformasi digital menjadi salah satu strategi penting dalam meningkatkan kualitas pelayanan koperasi, khususnya pada aspek penyampaian informasi kepada anggota dan masyarakat. Koperasi Produsen Omah Susu Lawu di Desa Tawanganom, Kabupaten Magetan masih menghadapi kendala dalam penyebaran informasi karena mengandalkan media konvensional berupa papan pengumuman, komunikasi lisan, dan aplikasi pesan instan yang dinilai belum mampu menjangkau seluruh anggota secara efektif. Kondisi tersebut menyebabkan penyampaian informasi belum berlangsung secara optimal, terutama terkait jadwal pelayanan, harga susu, kegiatan koperasi, dan informasi kelembagaan lainnya. Kegiatan Pengabdian kepada Masyarakat ini bertujuan menerapkan teknologi running text berbasis Light Emitting Diode (LED) sebagai media diseminasi informasi digital untuk meningkatkan efektivitas layanan informasi koperasi. Metode pelaksanaan menggunakan pendekatan Participatory Rural Appraisal (PRA) yang meliputi identifikasi permasalahan, analisis kebutuhan mitra, perancangan dan instalasi perangkat, pelatihan pengoperasian, pendampingan, serta evaluasi program. Hasil kegiatan menunjukkan bahwa perangkat running text berhasil diimplementasikan dan dimanfaatkan sebagai media informasi digital yang mampu menampilkan informasi secara real-time, mudah diperbarui, serta memiliki tingkat keterbacaan yang tinggi. Selain itu, pengurus koperasi telah mampu mengoperasikan perangkat dan mengelola konten informasi secara mandiri setelah mengikuti pelatihan dan pendampingan. Penerapan teknologi ini memberikan kontribusi terhadap peningkatan efektivitas penyampaian informasi, memperkuat komunikasi organisasi, serta mendukung transformasi digital layanan pada Koperasi Produsen Omah Susu Lawu. Keberlanjutan program diharapkan dapat diwujudkan melalui pemanfaatan media informasi digital secara konsisten dan pengembangan integrasi dengan sistem informasi koperasi di masa mendatang
Co-Authors , Yoga Ahdiat Fakhrudi Achmad Aminudin Ade Reza Febri Agus Ma’ruf Prasetya Agus Susanto Alfi Tranggono Agus Salim Alfi Tranggono Agus Salim Andhika Putra Widyadharma Aulia Raiz Khoirudin Bias Nur Elmira Bintang Arisendy Budi Artono Budi Triyono Budi Triyono Deby Ika Hariani Deni Nur Fauzi Dharmawangsa, Rendy Vito Dimas Ari Setyawan Dimas Nur Prakoso Elmira, Bias Nur Eric Rico Ardiansyah F, Yoga Ahdiat fakhrudi, yoga Fakhrudi, yoga ahdiat Farid majedi Farid Majedi Farid Majedi Farid Majedi, Farid Gatut Yudoyono Hanifah Nur Kumala Ningrum Imam Basuki Indah Puspitasari INDAH PUSPITASARI Kanjeng Sunan Lawu Kholis Nur Faizin Kholis Nur Faizin, Kholis Nur M. Shafwallah Al Aziz R M. Shafwallah Al. Aziz. R Mitha Anandya Qathrunnada Muhammad Narrokhim Amrullah Nana Ainiya Khalidah Nana Ainiya Khalidah Noorsakti Wahyudi Noorsakti Wahyudi Noorsakti Wahyudi Noorsakti Wahyudi Nur Ihda Farikhatin Nisa Nur, Fachrul Hermansyah Nyi Selfi Rosalina Apriliya Pradhana Kurniawan Pradhana Kurniawan Putra, Roby Mahendra Putri, Koes Shinta Mashury R. Gaguk Pratama Yudha Raden Mohamad Herdian Bhakti Rahayu Mekar rahayu mekar bisono Rahayu Mekar Bisono Rahayu Mekar Bisono Rahayu Mekar Bisono Rahayu Mekar Bisono, Rahayu Mekar Roby Mahendra Putra Septian Nurfaranto Shofyan Dwi Saputro Sundaru Guntur Wibowo Teuku Multazam Wibowo, Sundaru Guntur Wicaksono, Darma Arif Wida Rezika Wida Yuliar Rezika, Wida Yuliar Yoga Ahdiat F Yoga Akhdiat Fakhrudin yoga fakhrudi Yuli Astuti Yuli Astuti Yuli Prasetyo Yuwono, Indarto