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All Journal Turbo : Jurnal Program Studi Teknik Mesin Jurnal Teknik Mesin Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS Jurnal Riset Teknologi Pencegahan Pencemaran Industri TEKNOSIA Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin
Angky Puspawan
Program Studi Teknik Mesin, Fakultas Teknik Universitas Bengkulu
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Journal : Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin

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PROSES PERLAKUAN PANAS UNTUK MELURUSKAN MATERIAL H- BEAM DENGAN METODE FIRING Ompusunggu, Ferdinand Lincoln; Puspawan, Angky; Hestiawan, Hendri
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 9 No. 1 (2025): April 2025
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v9i1.39015

Abstract

Welded beam is a profile obtained by welding 3 sheets of plate consisting of 2 flange plates and 1 web plate formed into an I-Beam or H-Beam profile. The welding process is carried out with a special SAW welding machine and continued with a straightening process because the heat from the welding causes the welded beam profile to bend or twist. Due to the heat during welding, there is a minimum welded beam size and the minimum plate thickness cannot be straightened again during the straightening process because the melting point of the material exceeds the limit during the welding process. Firing is the process of burning material at a certain temperature with the intention of improving the dimensions of the material. The purpose of this study is to straighten H-Beam steel. In carrying out the firing process using tools and materials such as the Huawei CG1-30 machine, chalk stamps, square rulers, nitrogen and gas and K3 equipment, in carrying out the firing process, checks are carried out using a square ruler and determining the burning point on the H-Beam steel, chalk stamps are used to measure the temperature in the firing process. The firing process has The conclusion of this study is that the heat treatment process (firing) can straighten H-Beam steel using the Huawei CG1-30 machine which has a speed of 50-750 mm/minute.
PERFORMA POMPA SEKUNDER PADA SISTEM PENDINGIN REAKTOR NUKLIR Anugrah, Dwi Permana; Nuramal, Agus; Puspawan, Angky; Falah, Sabilul
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 8 No. 2 (2024): Oktober 2024
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v8i2.39461

Abstract

Secondary pump in the reactor nuclear works move fluid in the reactor with take hot from system primary coolant and discard it to environment. For support safety reactor nuclear this need done study to performance pumps secondary being one​​ system cooler reactor. Methodology study consists from studies literature, observation field, and data collection. Pump used as pump secondary to the system cooler Reactor nuclear This is centrifugal water pump with rate Genre volumetric 4500 liters/ minute with capacity adjustable water flow with characteristics heat exchanger. From the results calculation of data taken on three different day​show mark increased efficiency due to rising mark WP. This matter proves that mark WP on pump system cooler secondary reactor nuclear influence mark efficiency from pump secondary used.​ For mark efficiency highest there at 11:00 with​mark amounting to 18.288%.
DESAIN DAN PEMBUATAN HAND LOADER OUTPUT DENGAN MENGGUNAKAN SOFTWARE SOLIDWORKS Yueprayuga, Abie; Puspawan, Angky; Nuramal, Agus; Hadi Susanto, Tri Nugroho
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 9 No. 1 (2025): April 2025
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v9i1.39474

Abstract

The design of this output hand loader aims to be a place to receive samples that have passed testing in order to improve ergonomics during the irradiation sampling process by utilizing existing materials (acrylic). The hand loader output testing method is by calculating the travel time for empty capsules and capsules containing five variations of samples when sent from the pneumatic lab to the AAN lab, and followed by testing the functional integrity of the capsules when transferred. The results show that the travel time required for the capsule to reach the hand loader is 2 seconds and the capsule is not damaged, broken or other defects. The conclusions obtained from the design of the output hand loader were the design and use of acrylic material that did not damage the capsules during testing and improved ergonomics during the sampling process compared to the previous sampling site. Apart from that, the problem when making an output hand loader lies in making bolt holes that are not parallel to other parts, which requires making new holes.
ANALISA EFEKTIVITAS HEAT EXCHANGER OIL COOLER SEBELUM DAN SESUDAH MAINTENANCE Aziz Masyhuri; Angky Puspawan; Agus Suandi
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 6 No. 1 (2022): April 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v6i1.25453

Abstract

MUSI PLTA is one of the state-owned companies engaged in Hydroelectric Power Generation, MUSI PLTA is one of the largest power plants in Bengkulu Province, which is also a power plant in several provinces on the island of Sumatra. Air power plants consist of many interrelated components which then convert the potential energy of the air into mechanical energy which is then transformed into electrical energy. One of the most important components of this plant is the oil cooler. The oil cooler is a heat exchanger that functions to cool the oil that will be used as a thrust bearing on the generator. This oil cooler has a shell and tube type where two types of fluids flow separately with a two pass heat exchanger type. The effectiveness of the oil cooler unit 1 UL PLTA MUSI on conditions before and before treatment was obtained from the calculation of the effectiveness value. In the pre-maintenance condition, the effectiveness value was 9.947089947 %, while in the pre-maintenance condition the effectiveness value was 13.03 %.
MAINTENANCE DAN INSPECTION PADA RUNNER TURBIN AM Saifutaqi Fatwa Mayfi; Nurul Iman Supardi; Angky Puspawan
Rekayasa Mekanika: Jurnal Ilmiah Teknik Mesin Vol. 6 No. 2 (2022): Oktober 2022
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/rekayasamekanika.v6i2.25460

Abstract

The PLTA TES is a generator that relies on water as the driving force for a turbine unit system. There are 7 PLTA Tes turbine units that are still operating with alternating working hours. In keeping a turbine unit operating properly, one way is to do maintenance and general inspection (GI). Maintenance is one way to keep a tool or object from being damaged. Then General Inspection (GI) is a process of activities in the PLTA Test company in checking, measuring, adjusting, repairing and testing one turbine unit in operating for 20,000 hours on a regular basis so that the unit can operate better than before, maintenance is carried out. One of the turbine components that is the object of maintenance is the runner. The runner is the heart of a turbine so that it can operate by relying on flowing water so that the runner can rotate. Runners are given a spot check to see if there is a crack in the runner's condition and measure the runner's clearance so that there is no excessive friction when the runner is operating and the runner is not thirsty.
Co-Authors Agus Nuramal Agus Nuramal Agus Suandi Agus Suandi Agus Suandi, Agus Alqaf, A. Sofwan Furqon AM Saifutaqi Fatwa Mayfi Anugrah, Dwi Permana Aziz Masyhuri Budiman, Arif Adtyas Falah, Sabilul Febriansyah Febriansyah Fitrilina Ginting, Zefanya Karsten Gunawan, Agustin Hadi Susanto, Tri Nugroho Helmizar Hendi Gunawan Hendra Hendra Hendri Hestiawan Mubarok, Abdul Latif Nopriani, Meti Eliza Nurul Iman Supardi Ompusunggu, Ferdinand Lincoln Pangestu, Mirza Aditya Pratama, Gilang Giyas Putra, Shandy Tri Rifki Sulthan Rifki Sulthan Saputra, Andrian Nurul Sulthan, Rifki SUPARDI, NURULIMAN Surapati, Alex Yanolanda Suzantry Handayani Yovan Witanto Yovan Witanto Yovan Witanto Yueprayuga, Abie