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All Journal ROTOR: JURNAL ILMIAH TEKNIK MESIN Infotekmesin JPM: JURNAL PENGABDIAN MASYARAKAT Accurate: Journal of Mechanical Engineering and Science Proceedings Series on Physical & Formal Sciences Jurnal Pengabdian Masyarakat Creative Research in Engineering (CERIE) Techno Prosiding University Research Colloquium Prosiding Seminar Nasional Unimus Jurnal Pengabdian Teknik dan Sains (JPTS)
Wibowo, Trio Nur
Universitas Muhammadiyah Purwokerto
Aerospace Engineering Humanities Astronomy Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Transportation Other

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Perancangan dan Fabrikasi Gas Separator untuk Gas Tekanan Tinggi Muhammad Muryanto; Trio Nur Wibowo; Daud Subekti; Cahyo Wibowo
Creative Research in Engineering (CERIE) Vol 4, No 1 (2024): Creative Reserach in Engineering (CERIE)
Publisher : Lembaga Publikasi Ilmiah dan Penerbitan (LPIP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30595/cerie.v4i1.17712

Abstract

Dalam aliran fluida berupa gas alam untuk bahan bakar terjadi fenomena perubahan fasagas yang yang diakibatkan oleh komposisi gas maupun  peralatan yang digunakan untuk menyalurkan gas dari sumber gas utama sampai ke pengguna akhir. Perubahan fasa tersebut berakibat terhadap komposisi gas bercampur dengan cairan yang harus dihindari agar tidak menyebabkan terganggunya proses pembakaran. Cairan yang terbawa  tersebut dapat berupa kondensat, oli dan air yang terbawa selama proses penyaluran akibat perubahan suhu dan tekanan. Kondensat dapat dibawa dari sumber gas utama dan terjadi akibat perubahan tekanan dan suhu pada saat penyaluran baik dengan kompresor, saat melalui pipa maupun oleh kondisi lingkungan saat penyaluran. Oli terbawa karena pada saat kompresi gas dari tekanan rendah ke tekanan tinggi minyak pelumas akan terbawa ke tabung pengumpul ataupun pipa distribusi. Air terbawa dari dalam tangki penyimpan atau tangki pengangkut akibat terjadinya perubahan suhu yang sangat rendah saat dilakukan penyaluran dari tekanan rendah ke tekanan tinggi. Dari fenomena tersebut maka diperlukan alat pemisah berupa gas separator yang bertujuan memisahkan antara cairan dan gas untuk menghasilkan gas yang benar-benar bersih agar proses pembakaran lebih sempurna. Kata kunci: gas, cairan, tekanan
Peningkatan Kualitas Pengajaran Gambar Teknik Melalui Pelatihan Solidworks Bagi Guru Sekolah Menengah Kejuruan Muhammadiyah Kabupaten Banyumas Muhammad Muryanto; Trio Nur wibowo; Syaukaty Yasinta; Muhammad Ramadhani S. L; Irfauji Firman Hidayat
Jurnal Pengabdian Masyarakat - PIMAS Vol. 4 No. 2 (2025): Mei
Publisher : LPPM Universitas Harapan Bangsa Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35960/pimas.v4i2.1852

Abstract

Technical drawing training based on ISO standards using SolidWorks is a strategic step to enhance the competencies of vocational high school (SMK) teachers, particularly in aligning the learning process with industrial needs. This community service activity aimed to provide practical knowledge and skills to SMK Muhammadiyah teachers in Banyumas Regency regarding internationally standardized technical drawing (ISO 128, ISO 5456, ISO 7200) and its implementation through parametric Computer-Aided Design (CAD) software, namely SolidWorks. The training methods included lectures, hands-on practice, group discussions, pre-tests, and post-tests. The pre-test results showed that the participants' average score was only 47.5, indicating a low level of understanding of technical drawing standards and the use of SolidWorks. However, after the training, the average score increased significantly to 79.6, reflecting a 67.5% improvement. These findings demonstrate that training based on hands-on practice and case studies can effectively enhance teachers' technical competencies. This program also strengthens the role of teachers as agents of change in vocational education based on Industry 4.0 technology. It is hoped that this activity will be followed by advanced training sessions, such as motion simulation and stress analysis using CAD.
Effect of Shoot Peening Air Pressure Variations on Hardness and Microstructure of ST-37 Material: Pengaruh Variasi Tekanan Udara Shoot Peening Terhadap Kekerasan dan Struktur Mikro pada Material ST-37 Sukarno, Nota Ali; Samporno, Carolus Borromeus Krishna; Wibowo, Trio Nur
Prosiding University Research Colloquium Proceeding of The 18th University Research Colloquium 2023: Bidang Teknik dan Rekayasa
Publisher : Konsorsium Lembaga Penelitian dan Pengabdian kepada Masyarakat Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

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

Abstract

ST 37 material is a type of material that is easily available on the market at a relatively cheaper cost. However, the mechanical properties need to be improved so that they are better and have a longer life time. By using the shot peening method, it is hoped that changes in the shape of the microstructure will occur and the hardness value will increase. This research is focused on determining changes in microstructure and hardness values that occur as a result of the shot peening process with variations in air pressure of 2, 4, 6, and 8 kg/cm2. Shooting duration is 5 minutes. The diameter of the steel shot is 0.8 mm which has a hardness value of 40-50 HRC and the distance between the nozzle and the specimen surface is 100 mm. The microstructure was analyzed using an optilab microscope with 100 times magnification and photographed using an optilab connected to a computer. Surface hardness testing was tested using a micro Vickers hardness tester using an indentation load of 10 grams for 10 seconds. The research results show that a smoother microstructure layer is formed on the shot peened surface. The hardness test results indicate an increase in hardness proportional to the air pressure in the shot peening treatment method. Changes occurred in the raw material specimen with a hardness value of 187.14 VHN increasing to 194.20 VHN in the specimen with a shot pening air pressure of 2 kg/cm2. The increase in hardness tends to increase in proportion to the increase in shot peening air pressure, but is not very significant. Air pressures of 4, 6, and 8 kg/cm2 have hardness values of 199.41, 201.64, and 204.31 VHN. The data shows that the surface treatment method of shootpeening with varying pressure has had a positive impact in the form of increasing hardness in proportion to the increase in pressure.
Edukasi Bahaya Pinjaman Online melalui Sosialisasi guna Peningkatan Literasi Keuangan Digital bagi Masyarakat Desa Cawet Wibowo, Trio Nur; Handayani, Lutfiana; Vasha, Tika Novalia; Cahya, Atun Nilam; Aini, Risqia Nurul; Wirana, Ivan Agung
Prosiding University Research Colloquium Proceeding of The 18th University Research Colloquium 2023: Bidang Pengabdian Masyarakat
Publisher : Konsorsium Lembaga Penelitian dan Pengabdian kepada Masyarakat Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

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

Abstract

Berkembang pesatnya kemajuan teknologi menghadirkan inovasi baru khususnya pada sektor keuangan dengan adanya Financial Technology (FinTech). Salah satu tipe FinTech yang ramai diminati yaitu Peer-to-Peer (P2P) Lending atau layanan peminjaman berbasis teknologi informasi yang biasa dikenal masyarakat dengan pinjaman online (pinjol). Sejak tahun 2018 hingga kini, banyak aduan terkait pinjaman online ilegal, bahkan sudah ada 3.193 pemblokiran aplikasi/website pinjaman online ilegal. Kejadian tersebut diakibatkan karena tidak berimbangnya kemajuan teknologi dengan peningkatan literasi keuangan digital masyarakat, khususnya tentang pinjaman online. Untuk itu, perlu adanya pencegahan secara masif kepada masyarakat sebagai konsumen utama agar tidak mudah dijerat oleh para pelaku bisnis pinjaman online ilegal. Tujuan dari pelaksanaan kuliah kerja nyata (KKN) sebagai bentuk pengabdian kepada masyarakat (PKM) ini adalah untuk membantu masyarakat dalam menghadapi permasalahan yang ada dengan melakukan upaya preventif yakni memberikan edukasi bahaya pinjaman online melalui sosialisasi guna peningkatan literasi keuangan digital bagi masyarakat. Subjek sasaran dalam kegiatan ini adalah masyarakat khususnya kelompok pemuda karang taruna di Dusun Kramat, Desa Cawet, Watukumpul, Pemalang. Metode yang digunakan untuk menyampaikan edukasi bahaya pinjaman online adalah dengan sosialisasi, dimana selain sesi pemaparan materi juga ada sesi tanya jawab dan diskusi. Hasil setelah dilakukan edukasi menunjukkan adanya peningkatan pengetahuan dan pemahaman masyarakat khususnya kelompok pemuda karang taruna terkait literasi keuangan digital tentang pinjaman online.
Optimasi Parameter Gravitasi Shot Peening Terhadap Kekasaran, Kekerasan dan Struktur Mikro ST 45 dengan Metode Taguchi Nur Wibowo, Trio; Hartono, Hartono; Sugiantoro, Bambang
Infotekmesin Vol 12 No 1 (2021): Infotekmesin: Januari 2021
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v12i1.519

Abstract

Shot peening is a surface treatment method at low temperature by shooting steel balls that are continuously adjusted for pressure and speed until plastic deformation is produced. The optimal parameter of the shot peening process was tested with the taguchi distribution. The factors and levels used are processing time, shooting distance and air pressure used in the shot peening process. Observations were made by looking at changes in surface roughness, thickness reduction, hardness levels, wear and changes in the microstructure of ST 45 steel material. The greatest hardness of 240.39 HVN was obtained at 10 minutes, a distance of 10 cm and a pressure of 9 kg / cm². The results of the surface wear test with the smallest value of 0.00039 mm³ / kg.m were obtained at 5 minutes, a distance of 10 cm and a pressure of 7 kg / cm². The results of the microstructure test showed that the change in the grain size of the microstructure of the material became flatter and smaller, the gravity shot peening method improved the mechanical properties of the ST 45 material.
Penerapan Mesin Pencacah Rumput untuk Meningkatkan Efisiensi Usaha Peternakan pada Kelompok Ternak Bumdes Syaukaty Yasinta; Trio Nur Wibowo; Andri Andriawan; Fadli Sulaeman
JPM: Jurnal Pengabdian Masyarakat Vol. 6 No. 1 (2025): July 2025
Publisher : Forum Kerjasama Pendidikan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47065/jpm.v6i1.2587

Abstract

The Livestock Group of Bumdes Kridatama in Gumiwang Village, Purbalingga, is a farming cooperative managing beef cattle and goats. Currently, animal feeding practices rely entirely on manually cut fresh grass without further processing. Field observations and interviews indicate that this method is inefficient, requiring 4 to 5 hours per day for grass cutting, and fails to meet optimal nutritional requirements for livestock due to inconsistent grass size and poor digestibility. To address these challenges, a community service program was conducted to improve the members’ knowledge and skills in using a grass chopping machine, aiming to enhance the efficiency of livestock farming operations. The program involved 15 active members of the Bumdes Kridatama Livestock Group as participants. The implementation methods included socialization on the importance of high-quality feed processing, hands-on training in operating the grass chopping machine, and live demonstrations from chopping to feeding the processed grass to livestock. Following implementation, regular monitoring, evaluation, and mentoring were conducted to ensure sustainability. Evaluation results showed a significant improvement in operational efficiency: the average time required for feed preparation decreased from 4.5 hours per day to just 1.1 hours—a reduction of 75.6%. Moreover, the use of finer and more uniform chopped grass improved feed digestibility, leading to a 10–15% increase in livestock weight gain over a three-month period compared to pre-intervention levels. Participants responded positively, with 90% reporting that the machine was easy to operate, and 80% stating that the program helped make their farming activities more efficient and better managed. This initiative demonstrates that the adoption of appropriate technology—specifically, the grass chopping machine—can significantly improve feeding efficiency, enhance animal productivity, and contribute to the sustainable improvement of farmers’ livelihoods.
Co-Authors Aini, Risqia Nurul Andri Andriawan Arif Johar Taufiq Bambang Hari Priyambodo Bambang Sugiantoro Bambang Sugiantoro Cahya, Atun Nilam Cahyo Wibowo Daud Subekti dwi purwanto Fadli Sulaeman Handayani, Lutfiana Hartono Hartono Hartono Hartono Hartono Hartono Hermin Endratno Irfauji Firman Hidayat Muchammad Agung Miftahuddin Muhammad Muryanto muhammad muryanto Muhammad Ramadhani S. L Nugrah Rekto Prabowo Nur Amin Priyo Tri Iswanto Samporno, Carolus Borromeus Krishna Saputra, Eqwar Sukarno, Nota Ali Syaukaty Yasinta Vasha, Tika Novalia Warso Warso Warso Wirana, Ivan Agung Yuliyanti Dian Pratiwi Yuliyanti Dian Pratiwi