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All Journal Jurnal Teknik Mesin BANGUN REKAPRIMA J-Dinamika: Jurnal Pengabdian Kepada Masyarakat Infotekmesin Madani : Indonesian Journal of Civil Society Accurate: Journal of Mechanical Engineering and Science Journal Of Sustainable Research In Management Of Agroindustry (SURIMI)

Bayu Aji Girawan

Unknown Affiliation

Author-ID : 3114714

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Other

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RANCANG BANGUN DAPUR CRUCIBLE TIPE PENUANGAN TUNGKIK KAPASITAS 15 KG DENGAN BAHAN BAKAR GAS LPG Kurniawan, Ipung; Girawan, Bayu Aji; Nurrohman, Saeful
Infotekmesin Vol 9, No 01 (2018): Infotekmesin, Januari 2018
Publisher : Politeknik Negeri Cilacap

This research aims to; 1) Designing and making aluminium melting crucible casting with the capacity15 kg; 2) Conducting the test of chemical composition of the first and second melting result. Theresearch used field and library research. From the result of the design, it could be obtained that thedimension of melting casting has 547 mm diameter, 3 mm thick, 410 mm high. Whereas, molten cup has 178 mm diameter, 8 mm thick, and 230 mm high. The result of the first melting chemicalcomposition test and the second one do not work out a significant change. The material of the firstmelting result still contains 89,52% of aluminium (Al), while the main fusion is 7,71% of zinc (Zn)and 1,84% of silicon (Si), and in the second melting result still contains 89,55% of Alumunium (Al),while the main fusion is 7,51% of zinc (Zn) and 1,94% of silicon (Si).

KARAKTERISASI Al-Zn7 HASIL PELEBURAN DAPUR CRUCIBLE DENGAN TIPE PENUANGAN TUNGKIK Kurniawan, Ipung; Girawan, Bayu Aji; Yulianto, Imam
Infotekmesin Vol 9, No 02 (2018): Infotekmesin, Juli 2018
Publisher : Politeknik Negeri Cilacap

Nowdays, Alumunium is widely used and utilized in industrial activities because of light properties and having well mechanical strengths. The use of alumunium does not only limit on the use of new alumunium, but also the used one. The main purpose of this research, i.e., (1) testing of physical and mechanical properties of Al-Zn7 from the fussion of Crucible furnace; (2) analyzing crucible furnace of the Al-Zn7 fussion by comparing to the result of the first and second fussion. The method of this research was experimental research with the average value of each the first casting was 49,2 HRB and the second one was 50,3 HRB. Based on the test result showed that the quality of crucible furnace was good because it did not experience the significant changes.

OPTIMALISASI SISTEM PENDINGIN BERBASIS TERMOELEKTRIK BERPENDINGIN AIR Bayu Aji Girawan
Jurnal Teknik Mesin Vol 8, No 1 (2019)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jtm.v8i1.3866

Tingginya kebutuhan manusia akan sistem pendingin berakibat pada melonjaknya penggunaan refrigeran jenis hidrokarbon maupun fluorokarbon dari tahun ke tahun. Hidrokarbon dan fluorokarbon merupakan zat yang berbahaya karena dapat merusak lapisan ozon di stratosfer yang menyebabkan peningkatan sinar ultraviolet yang diterima oleh manusia di bumi sehingga berdampak buruk pada kesehatan. Sistem pendingin berbasis termoelektrik sebagai pompa kalor padat adalah salah satu solusi yang aman sebagai pengganti sistem pendingin hidrokarbon maupun fluorokarbon. Pada penelitian ini akan dilakukan eksperimen dari sebuah sistem pendingin berbasis termoelektrik dengan alat penukar kalor yang menggunakan air sebagai fluida kerjanya. Penelitian akan difokuskan pada unjuk kerja sistem yang optimal terhadap tegangan dan debit aliran air sebagai fluida kerja. Dari hasil pengujian diperoleh sistem optimal pada konsumsi tegangan 6V dan arus 2.24A, pada debit laju aliran air 0.5 liter/menit. Adapun COP dari sistem pada saat itu adalah sebesar 0.86.

RANCANG BANGUN ALAT BANTU LAS MEJA PUTAR PENEPAT Ipung Kurniawan; Bayu Aji Girawan; Ika Fitriyani
Bangun Rekaprima Vol 6, No 1 (2020): April 2020
Publisher : Politeknik Negeri Semarang

Meja putar penepat adalah alat bantu yang dirancang untuk mempermudah proses pengelasan khususnya pada pipa. Alat bantu ini dapat membantu pengelasan dalam penempatkan benda kerja dan memutar benda kerja selama proses pengelasan sehingga diharapkan hasil lasan konsisten dan stabil. Tujuan dari penelitian ini yaitu; menentukan rancangan desain alat bantu, menghitung bagian-bagian elemen mesin dan menghitung estimasi waktu produksi. Dalam proses perancangan menggunakan pendekatan metode VDI 2222. Motor penggerak yang digunakan yaitu motor DC jenis power window. Pengatur kecepatan putar motor digunakan metode Pulse-Width Modulation (PWM). Hasil dari penelitian diperoleh desain alat menggunakan engsel dan pengatur sudut untuk mengatur sudut kerja dari meja putar. Hasil perhitungan elemen mesin didapat daya untuk memutar meja adalah 0,055 watt. Diameter roda gigi yang digunakan adalah 60 mm dan 48 mm. Diameter poros yang digunakan adalah 28,58 mm. Umur bantalan 2,5 tahun. Kapasitas beban maksimal yaitu 15 kg. Waktu proses produksi alat bantu las ini yaitu 2,5 hari.

Desain dan Analisis Karakteristik Pegas Koil Sistem Suspensi Belakang untuk Kendaraan Ringan Sepeda Motor Listrik Nur Akhlis Sarihidaya Laksana; Bayu Aji Girawan; Joko Setia Pribadi
Infotekmesin Vol 13 No 1 (2022): Infotekmesin: Januari, 2022
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v13i1.908

The vehicle's suspension system have function to reduce vibrations from the shock between the wheels and the road. Previous research discussed the simulation of spring loading with material variations. This research focuses on the design and analysis of springs that will be used in Electric Motorbikes (SEMOLI). Spring analysis between cast stainless steels and carbon stainless steels is done by calculating displacement transmissibility. The analytical method used is the SDOF harmonic method to determine the system response. The results of the analysis are considered for the selection of springs by determining the displacement transmissibility and the response of the suspension system. The results of the analysis of the characteristics of cast stainless steels and carbon stainless steels for active springs 6, 7, and 8 at speeds of 10 km/hour, 20 km/hour, 40 km/hour, 80 km/hour showed a decrease in displacement transmissibility. Characteristics for stainless steel material at steady state condition with active spring 6 is 0.3 second, while 7 and 8 are 0.25 second. The characteristics of overshoot for cast stainless steel material with active spring 6 are 55.3%, 7 are 52.7% and 8 are 50.3%. Stainless steel material has the characteristics of overshoot on active spring 6 is 55.8%, active spring 7 is 53.3%, and active spring 8 is 51 From the characteristic analysis, the best material obtained is cast stainless steel with a smaller displacement value dan good respon.

Optimasi Parameter Pemesinan Menggunakan Metode Taguchi Untuk Meningkatkan Kualitas Kebulatan Pada Pembubutan Internal Material S45C Joko Setia Pribadi; Yulianto Yulianto; Bayu Aji Girawan
Infotekmesin Vol 11, No 1 (2020): Infotekmesin: Januari 2020
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v11i1.104

The proper use of machining parameters in order to improve general quality is expected to optimize the results of the machining process including the use of the Taguchi experimental design. Several controlled parameters are carried out that are the cutting and feed speed, and cutting depth with three levels in the internal turning process of S45C steel material. Experiments were carried out using the Taguchi experimental matrix L9(34). The turning results are rounded and the variance and signal to noise ratio analysis are carried out in accordance with the proposed Taguchi design. The results obtained, the cutting speed and the identified cutting depth factors affect the roundness of the internal turning results. The results of the analysis of variance on the S/N ratio with smaller and better quality characters and based on hypothesis testing, is that the cutting speed and significant cutting depth parameters with a 90% confidence level affect roundness. The conditions of the cutting speed of 200 [m/min], the feed speed of 0.05 [mm/rev], and the cutting depth of 0.25 [mm] are the optimum parameters obtained.

Pemanfaatan Rawa Pasang Surut Untuk Tambak Ikan Bandeng Bayu Aji Girawan; Sugeng Dwi Riyanto; Khoeruddin Wittriansyah Wittriansyah
Madani : Indonesian Journal of Civil Society Vol. 2 No. 2 (2020): Madani, Agustus 2020
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/madani.v2i2.137

Tritih Lor is a village at Cilacap that consists of swaps that are formed by ocean tides. Our partner as a fish farmer group at Tritih Lor has utilized the swamp for milkfish cultivation to use a traditional system. There are some troubles on their business like the production is too low because they use a traditional system that relies on natural food from a relic carried away by the tides. Another problem that the fish are gone along the tide when the fish pond breaks. To solve that problem, we use a method of repairing the fish pond, install and arrangement of water intake and aeration systems, installation fence around the fish pond, installation of solar panels, pond fertilization, stocking the pond, and harvesting. The result of this activity is an increase in productivity and a decrease in fish mortality. This semi-intensive tidal swamp aquaculture pond can answer the previous problems of traditional cultivation. This activity also can create more technological-based cultivators, make a better income, and increase the usability of the unused land.

Rancang Bangun Alat Pemanas Induksi Proses Perlakuan Panas Ipung Kurniawan; Bayu Aji Girawan; Imam Muasih; Yosep Susanto
Accurate: Journal of Mechanical Engineering and Science Vol. 1 No. 1 (2020): April, 2020
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/accurate.v1i1.162

The heat treatment process using the fuel system is very numerous and the heating time is quite long. The use of induction heaters, heat treatment can be done with a shorter time and less energy. The purpose of this research are; (1) Make a plan design, (2) Measure the part of machine element, (3) Measure the estimation of time and design budget, (4) Test the result of induction heater machine. The method in this study uses experimental. The result of concept design evaluation, i.e., the use of trapezoid screw on the lifter system was 0,2 kilowatt of motor power, 12 mm of shaft diameter, and ball bearing 6201 with the age of 0,31 years which determined from the calculation of machine element on the induction heater system. The total of time for making this machine was 3.182,06 minutes and it spent Rp 5.360.700,-. The result of test shows that the hardness rate of raw material mild steel that given heat of hardening temperature of 850 0C, that endured for 45 minutes increasing being 84,3 HRB. However, after being tempered temperature of 400 0C having a decrease being 69 HRB.

RANCANG BANGUN MESIN PENGERING PELLET IKAN TIPE ROTARY DRYER UNTUK KELOMPOK USAHA PETANI (UPET) KABUPATEN CILACAP Mohammad Nurhilal; Bayu Aji Girawan; Galih Mustiko Aji
J-Dinamika : Jurnal Pengabdian Masyarakat Vol 3 No 1 (2018): Juni
Publisher : Politeknik Negeri Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25047/j-dinamika.v3i1.842

Pellet ikan merupakan makanan ikan buatan sebagai pengganti makanan alami ikan dihabitat aslinya. Makanan buatan ini harus memenuhi persyaratan sesuai dengan SNI diantaranya adalah kadar air yang terkandung dalam pellet. Usaha pengeringan pellet ikan ini adalah menggunakan mesin pengering pellet. Kegiatan Pengabdian Kepada Masyarakat melalui Iptek bagi Masyarakat (IbM) ini adalah menrancang bangun mesin pengering pellet ikan tipe rotary dryer dan kegiatan usaha diseminasi sebagai wadah promosi dalam meningkatkan pemasaran pellet ikan dari kelompok Usaha Petani (UPPET). Hasil rancangan mesin pengering pellet ikan ini mampu menurunkan kadar air sebesar 0,05 % pada kondisi putaran rotary 3 rpm, putaran blower 1400 rpm, temperatur (T1) = 48 oC, dan temperatur (T2) = 34 oC, waktu pemanasan 60 menit. Hasil uji mesin pengering yang kedua dengan cara mengurangi sistem ulir di dalam rotary dan menambahkan penutup di ujung rotary serta meninggikan tungku pemanasan dihasilkan temperatur (T1) = 60 oC, dan temperatur (T2) = 48 oC serta mampu mengeringkan pellet ikan 0,4 % pada kondisi yang sama yaitu putaran rotary 3 rpm, putaran blower 1400 rpm.Kata Kunci: pengering pellet, rotary dryer, kadar air pelet

Pembuatan Sistem Desalinasi Kapasitas 240 liter/jam di Dusun Bondan Kecamatan Kampung Laut Cilacap Bayu Aji Girawan; Agus Santoso; Joko Setia Pribadi; Supriyono Supriyono
Madani : Indonesian Journal of Civil Society Vol. 4 No. 2 (2022): Madani, Agustus 2022
Publisher : Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/madani.v4i2.1446

Dusun Bondan is a district located in a tidal area. Various problems arise in Dusun Bondan because of the use of water that doesn’t meet the quality of sanitation water causing several diseases. The water crisis experienced by the residents of Dusun Bondan becomes the worst disaster especially in summer because the water at Dusun Bondan is salty with high total dissolved solids. A water desalination system has been made to produce sanitation water that meets the standard based on Minister of Health Regulation No. 32 of 2017. The methods used to overcome these problems are water source identification, design of desalination system, purchasing, fabrication and testing of desalinated water. The result of the activities is a desalination system which consists of pre-treatment using 4 filtration stages ended with reverse osmosis desalination using a special membrane. The result of desalinated water test shows that the water is odourless, tasteless, and other parameters meet the requirement of the standard.

Co-Authors Agus Santoso Aji, Galih Mustiko Dian Prabowo Fadillah Ika Fitriyani Imam Muasih Joko Setia Pribadi Joko Setia Pribadi Khoeruddin Wittriansyah Wittriansyah Kurniawan, Ipung Malik Abdul Aziz Mardiyana Mohammad Nurhilal Nur Akhlis Sarihidaya Laksana Nurrohman, Saeful Purwiyanto Purwiyanto Rizky Dwi Saputro Sugeng Dwi Riyanto Supriyono Supriyono Yosep Susanto Yulianto Yulianto Yulianto, Imam

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