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All Journal Jurnal Rekayasa Mesin JURNAL CRANKSHAFT Infotekmesin Aptekmas : Jurnal Pengabdian Kepada Masyarakat Industrial Research Workshop and National Seminar AMMA : Jurnal Pengabdian Masyarakat
Budi Triyono
Politeknik Negeri Bandung
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Pelatihan Dan Sertifikasi Kompetensi Best Practise Preventive And Predictive Maintenance Pada Dosen Vokasi Adri Maldi Subardjah; Mokhamad Munir Fahmi; Budi Triyono; Haryadi; Prasetyo; Aris Suryadi; Hanni Maksum Ardi; Dibyo Setiawan
AMMA : Jurnal Pengabdian Masyarakat Vol. 4 No. 6 : Juli (2025): AMMA : Jurnal Pengabdian Masyarakat
Publisher : CV. Multi Kreasi Media

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Abstract

Training and competency certification are part of efforts to enhance the quality of human resources, particularly vocational lecturers, in mastering best practices in Preventive and Predictive Maintenance. This program was conducted over a period of twelve (12) days and covered both theoretical and practical aspects of Preventive and Predictive Maintenance, including Maintenance Planning & Scheduling, Vibration Analysis, Thermography, and Total Productive Maintenance. The training was organized through a collaboration between the Ministry of Education, Culture, Research and Technology, the Indonesia Endowment Fund for Education (LPDP), and the Indonesian Society of Reliability (ISR). The main objective of this program was to improve lecturers' competencies in Reliability-Centered Maintenance (RCM), Overall Equipment Effectiveness (OEE), failure analysis using methods such as Failure Mode and Effects Analysis (FMEA), Root Cause Analysis (RCA), Root Cause Failure Analysis (RCFA), and Supply Chain Management (SCM). As a result of the training and certification program, all eleven (11) participants were declared certified and received certification from ISR. This achievement serves as capital to support excellent and globally competitive vocational education.
Rancang Bangun dan Pengujian Performa Mesin Pembubur Sampah Organik Menjadi Pakan Maggot Kapasitas 24 kg/jam Budi Triyono; Raden Roro Yngwistian Jannavis Astie; Zainuddin; Dibyo Setiawan; Apri Setiawan
Infotekmesin Vol 16 No 2 (2025): Infotekmesin: Juli 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i2.2758

Abstract

Organic waste management, particularly from canteens or kitchens, which often consists of leftover meat, fish, and vegetables, remains a significant challenge. If processed properly, this waste has the potential to be used as maggot feed. To process this organic waste, it is necessary to develop an organic waste slurry machine designed to process organic waste from the Pujasera or campus canteen into maggot feed. The development process for this machine includes six stages: Planning, Conceptual design, Detailed design, Technical documentation, Manufacturing and assembly, and Testing. From these stages, a compact organic waste slurry machine is produced with dimensions of 815 x 425 x 840 mm, driven by a 1-phase electric motor with a power of 1.5 HP (1,100 Watts) and a rotation speed of 1,050 RPM. The test results show that this machine is effective in shredding organic waste with a capacity of 24 kg/hour, a maximum power of 1,037 Watts, and an energy consumption of 0.860 kWh. These results provide an innovative and economical solution, promoting the use of organic waste as a valuable resource.
Analisis Kegagalan Pada Ducting Primary Air Fan Menggunakan Metode RCA, CFD, dan FEA Djia Hamdali Suherman; Budi Triyono; Yogi Baskoro; Setyo Wibawono
Infotekmesin Vol 17 No 2 (2026): Infotekmesin: Juli 2026
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/

Abstract

This study analyzes the causes of recurrent cracking in the Primary Air Fan (PAF) ducting of a Circulating Fluidized Bed (CFB) boiler and develops improvement recommendations. The methods comprise field crack mapping, Root Cause Analysis (RCA) using Ishikawa and Fault Tree Analysis, Computational Fluid Dynamics (CFD), and Finite Element Analysis (FEA). Cracks were concentrated at panel edges, stiffener terminations, welded joints, and heat-affected zones. CFD revealed non-uniform flow and vortices at elbow/transition regions, while FEA showed maximum stress increasing from 142 MPa at 40 °C to 224 MPa at 50 °C. A 100 mm panel-edge radius reduced stress from 145 MPa to 36 MPa, or 75.2%. The novelty lies in integrating field evidence, RCA, CFD, and FEA to explain the failure mechanism comprehensively. The findings support more targeted repair strategies to improve PAF ducting reliability and service life.
ANALISIS SIMULASI PERFORMA TURBIN PROPELLER PEMBANGKIT LISTRIK TENAGA MIKROHIDRO PROFIL AIRFOIL NACA 5310 DAN NACA 6412 Haryadi; Ahmad Zaki Rasyidi; Apri Setiawan; Budi Triyono; Dibyo Setiawan
JURNAL CRANKSHAFT Vol. 9 No. 1 (2026): Jurnal Crankshaft Vol. 9 No. 1 (2026)
Publisher : Badan Penerbit Universitas Muria Kudus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24176/cra.v9i1.16796

Abstract

Renewable energy, particularly hydropower, has become an important alternative in reducing dependence on fossil fuels. One widely used technology is the propeller turbine, which utilizes airfoil-based blade profiles to enhance the conversion of fluid energy into mechanical energy. This study aims to analyze the simulation performance of a propeller turbine with variations of NACA 5310 and NACA 6412 airfoil profiles under low-head conditions. The methodology employed is a numerical simulation based on Computational Fluid Dynamics (CFD). The observed variables include flow rate, pressure distribution, rotational speed, torque, hydraulic power, mechanical power, and turbine efficiency at head variations of 3 m and 5 m. The simulation results indicate that increasing the head from 3 m to 5 m significantly increases the flow rate, torque, and mechanical power; however, the turbine efficiency decreases drastically from approximately 69–71% at a 3 m head to about 30% at a 5 m head. The NACA 6412 profile demonstrates slightly better performance than the NACA 5310 profile, particularly in terms of efficiency and torque stability. Overall, both airfoil profiles are more suitable for low-head operating conditions and therefore have strong potential for application in micro-hydro power plants.
Co-Authors Adri Maldi Subardjah Ahmad Zaki Rasyidi Apri Setiawan Aqil Murtadho Arief Vicy Dipayana Aris Suryadi Cahyo Wibowo Destri Muliastri Devi Eka Septiyani Arifin Dimas Farhan Siswantomo Djia Hamdali Suherman Hanni Maksum Ardi Haryadi, Haryadi Heri Widiantoro Ilham Azmi Jumari Mokhamad Munir Fahmi Muhammad Imam Adi Kuncoro Nazaruddin Noor Pandji Prawisudha Prasetyo Prasetyo Raden Roro Yngwistian Jannavis Astie Rizal Fauzuddin Noor Ramdhani Rudy Yuni W setiawan, Dibyo Setyo Wibawono Sulistianto Sunaryo Undiana Bambang Yogi Baskoro Zainuddin