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All Journal Rekayasa Mesin Jurnal Elemen Majamecha Otopro Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif Cahaya Pengabdian
Pamuji, Dian Ridlo
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Optimasi Parameter Proses Bubut Material ST 60 dengan Pendinginan Ramah Lingkungan Menggunakan Metode Taguchi-Grey Pamuji, Dian Ridlo; Lusi, Nuraini
Jurnal Rekayasa Mesin Vol 10, No 3 (2019)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2019.010.03.5

Abstract

Every production process always needs to produce high quality with high productivity. However, in machining processes, qualities such as surface roughness and productivity such as material removal rates have different characteristics. Surface roughness has the quality characteristics smaller the better, while the material removal rate has larger the better. Therefore, determining the combination of lathe parameters is very important to get optimal results. A study has been carried out to determine the combination of lathe process on ST 60 material with an environmentally friendly cooling method to minimize surface roughness response and maximize material processing rates simultaneously. The coolant (cold soluble oil and air pressure), spindle rotation (550 rpm, 700 rpm and 1200 rpm), feed motion (0.053 mm / rev., 0.103 mm / rev and 0.161 mm / rev) and depth of cut (0.125 mm, 0.25 mm and 0.5 mm) were used as process parameters. The tool used in this study is a CNMG insert tool with a 0.4 mm corner radius. The experimental design was determined using the Taguchi method in the form of orthogonal matrix L18 (21x33). The optimization method used is the grey relational analysis. The results showed that an optimal surface roughness response and material removal rate obtained by setting the coolant process at level 1 of cold soluble oil, spindle rotation was set at level 3 at 1200 rpm, feeding motion was set at level 3 of 0.161 mm / rev. And the depth of cut is set at level 3 of 0.5 mm.
Experimental Study on The Effect of Cross Feed of Surface Grinding on the Vibration and the Surface Roughness of Hardened Tool Steel OCR12VM Anam, Chairul; Muzaka, Khairul; Pamuji, Dian Ridlo
Jurnal Rekayasa Mesin Vol 11, No 3 (2020)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2020.011.03.2

Abstract

The grinding process is a machining process to obtain qualified surface roughness levels and high dimensional accuracy. There are two types of processes in the grinding process, namely the roughening and finishing processes. The vibration effect of the roughing process can damage and shorten the life of the tool/machine, while in the finishing process, the effect of vibration will reduce the dimensional accuracy, shape, and surface smoothness of the workpiece. This study aims to determine the effect of crossfeed on the amplitude of vibration and surface roughness of the workpiece on the surface grinding process. The materials used are hardened tool steel OCR12VM with a variety of grinding stone types A46QV and A80LV made of aluminum oxide. The Variables of process parameters are crossfeed (mm / step) and depth of cut (mm). The measurement of vibrations uses an accelerometer, which is processed by the math CAD program in the form of amplitude and frequency. For surface roughness measurements, it is used the MT-301 surface test with 5 sample points and a sample length of 0.8 mm. The results show that the greater the cross-feed value, the bigger the amplitude of the vibration level and the surface roughness of the workpiece. The magnitude of the amplitude of the vibration on the acceleration that occurs in the grinding stone type A46QV starts from 6,7369 -18.7525 g.rms, while the grinding stone type A80LV starts from 5.0904 g.rms to 18.2821 g.rms. The surface roughness achieved in both grit 46 and grit 80 is from N3 to N5.
PENGARUH PENGGUNAAN KATALIS PADA ELEKTROLISIS AIR GAMBUT DALAM MENGHASILKAN GAS HIDROGEN Artika, Kurnia Dwi; Musthofa, Imron; Isworo, Hajar; Persada, Anggun Angkasa Bela; Andhika, Muhammad Yusuf; Pamuji, Dian Ridlo
Jurnal Inovasi Teknologi Manufaktur, Energi dan Otomotif Vol. 2 No. 2 (2024): Jurnal Inovasi Teknologi Manufaktur, Energi, dan Otomotif
Publisher : Politeknik Negeri Banyuwangi

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Abstract

Electrolysis is a chemical process in which a substance is broken down into its components using an electric current. The application of electrolysis to peat water has the potential to produce hydrogen and oxygen gas and can change the nature of peat water to make it cleaner and more environmentally friendly. This research aims to determine the productivity of Hydrogen Gas regarding variations in the area of ​​origin of Peat Water with the addition of a baking soda catalyst, as well as to determine the pH of the electrolysis results. The results obtained are that the pH of the peat water will decrease to alkaline around pH 12, and hydrogen production will increase when compared to pure mineral water, where samples of peat water from area B produce around 75% faster than pure mineral water and around 45% faster. when compared to areas A, C, and D.
Penerapan Boiler untuk Pemasakan Bubur Kedelai pada UMKM Produksi Tahu Kabupaten Banyuwangi Wicaksono, Driyanto Wahyu; Pamuji, Dian Ridlo; Umar, Mega Lazuardi
Jurnal Inovasi Pengabdian dan Pemberdayaan Masyarakat Vol 3 No 2 (2023): JIPPM - Desember 2023
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jippm.228

Abstract

Salah satu proses pembuatan tahu adalah proses pemasakan kedelai. Proses pemasakan kedelai yang dilakukan oleh UMKM saat ini umumnya masih menggunakan cara tradisional yaitu menggunakan tungku dengan bahan bakar kayu. Pada proses pemasakan menggunakan cara tradisional membutuhkan waktu yang lama, yaitu 40 hingga 50 menit, sedangkan untuk mendapatkan hasil pemasakan kedelai yang maksimal dibutuhkan hingga 3 kali mendidih. Salah satu mitra yang masih menggunakan pemasakan dengan tradisional adalah UMKM di Desa Glagah, Kecamatan Glagah, Kabupaten Banyuwangi. Berdasarkan analisa situasi dan permasalahan mitra yang telah diuraikan, kegiatan pengabdian ini dilaksanakan dengan beberapa tahapan kegiatan diantaranya adalah: survei lapangan ke mitra, diskusi dengan mitra untuk memecahkan masalah, pembuatan boiler, ujicoba alat yang meliputi penerapan, pengoperasian, dan perawatan Boiler. Jika dibandingkan dengan alat tradisional yang dipakai oleh mitra, pemasakan dengan boiler lebih efisien. Waktu yang dibutuhkan untuk memasak kedelai dengan bahan baku kedelai dengan berat 1-2.5 kg adalah 11-21 menit. Mitra mengaku senang telah diberikan teknologi tepat guna dan pelatihan penggunaan boiler
STUDI EKSPERIMENTAL PEMISAHAN MINYAK-AIR MENGGUNAKAN HIDROSIKLON-BUBBLE GENERATOR Catrawedarma; Sari, Eli Novita; Fiveriati, Anggra; Wahid, Muhammad Abdul; Pamuji, Dian Ridlo; Syaifuddin, Muhammad
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.285

Abstract

This research aims to analyze the performance of oil-water separation using a hydrocyclone-bubble generator. The bubble generator used was an ejector type to make it easier to suck in atmospheric air. The research was carried out by injecting an oil-water mixture through a bubble generator before entering the hydrocyclone system. The air flow injected into the bubble generator was varied from 0.1-1.5 lpm. From experimental studies, it was found that as the air flow increased, the split ratio also increased. The pressure drop at the overflow increases gently while the underflow pressure drop increases significantly along with increasing input air flow. The greater the input air flow, the more significant the difference in underflow and overflow pressure drop. It has implications for a larger pressure drop ratio. The greater the air flow, the greater the overflow efficiency decreases, and the underflow efficiency increases. The highest efficiency in overflow is 87.77%.
PENGARUH PENGGUNAAN PASIR SILIKA DAN PASIR PANTAI TERHADAP KEKUATAN TARIK PADA PENGECORAN LOGAM ALUMINIUM Utomo, Wahyu; Sari, Eli Novita; Fiveriati, Anggra; Wahid, Muhammad Abdul; Pamuji, Dian Ridlo
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

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Abstract

Casting is the process of manufacturing molten metal with a mold to produce a shape close to the original shape. The commonly used molding sand is mountain sand, river sand and silica sand. This research aims to analyze defects and tensile test results of castings with various types of sand (beach sand and silica sand) and types of aluminum (ADC 12 aluminum and aluminum from waste cans). The casting method used is traditional sand blasting. The results show defects in the form of surface hardness, rat tails, shrinkage cavities, and pinholes. The tensile test showed that the highest Ultimate Tensile Strength (UTS) value was obtained from a mixture of Al ADC 12 with beach sand with an average UTS value of 172.44 MPa.
THE EFFECT OF SHIELDING GAS ON SURFACE DEFECTS AND MECHANICAL PROPERTIES OF MATERIALS AFTER THE GMAW WELDING Catrawedarma, IGNB; Rosi, Azriel Alfito Dela; Wahid, M. Abdul; Pamuji, Dian Ridlo; Sari, Eli Novita; Fiveriati, Anggra
Otopro Vol 20 No 1 Nov 2024
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/otopro.v20n1.p17-23

Abstract

This research aims to analyze the strength and results of welded joints by testing non-destructive and destructive tests using CO2 and argon shielding gases. The type of welding used was gas metal arc welding with SS400 steel material. After welding, the material was tested using liquid penetrant, porosity, tensile, and bending tests. The results were that CO2 shielding gas tended to have a convex and wide shape, while the welding results from argon gas tended to have a small and flat shape. In both shielding gases, there were defects in undercuts, lack of fusion, and spatter after the liquid penetrant test. The porosity test results have circular spots and irregular lines with holes. The average tensile strength value obtained from argon shielding gas was 255.761 MPa, and CO2 shielding gas produced an average value of 219.671 MPa. The bending strength of the material with argon shielding gas obtained an average value of 729.00 MPa and CO2 gas shielding an average value of 611.99 MPa.
Optimasi Parameter Kincir Air Tipe Undershot Dengan Metode Taguchi Pamuji, Dian Ridlo; Prayogo, Galang Sandy; Ayatullah, Mohamad Dimyati
Majamecha Vol. 4 No. 1 (2022): Majamecha
Publisher : Program Studi Teknik Mesin, Fakultas Teknik, Universitas Islam Majapahit, Mojokerto, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36815/majamecha.v4i1.1827

Abstract

Air merupakan sumber energy yang melimpah di Indonesia yang didalamnya tersimpan energi yang dapat dimanfaatkan untuk pembangkit listrik. Komponen utama dari pembangkit listrik tenaga Air (PLTA) adalah kincir air yang berfungsi merubah energy mekanik menjadi energi listrik. Untuk mendapatkan output dari kincir air seperti daya yang optimal, maka diperlukan pengaturan parameter-parameter kincir air yang tepat. Hal ini bertujuan meminimalkan waktu dan biaya yang diakibatkan oleh proses coba-coba. Penelitian tentang penentuan pengaturan kombinasi parameter kincir air tipe undershot yang tepat untuk mendapatkan respon optimal telah dilakukan. Parameter-parameter kincir air yang divariasikan adalah jenis sudu (lurus dan sudut), kedalaman pencelupan (2 cm, 5 cm, dan 7 cm) dan Berat flywheel ( 3 kg, 5 kg dan 8 kg). Parameter respon yang diamatai adalah daya output generator. Matrik orthogonal yang digunakan adalah L18 dan metode optimasi yang digunakan adalah Taguchi. Hasil peneltian menunjukkan bahwa untuk mendapatkan respon yang berupa daya output generator yang optimal, maka bentuk sudu dipilih dengan menggunakan bentuk lurus, kedalaman pencelupan diatur sebesar 7 cm dan berat berat flywheel diatur seberar 8 Kg.
STUDI EKSPERIMENTAL PEMISAHAN MINYAK-AIR MENGGUNAKAN HIDROSIKLON-BUBBLE GENERATOR Catrawedarma; Sari, Eli Novita; Fiveriati, Anggra; Wahid, Muhammad Abdul; Pamuji, Dian Ridlo; Syaifuddin, Muhammad
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34128/je.v11i2.285

Abstract

This research aims to analyze the performance of oil-water separation using a hydrocyclone-bubble generator. The bubble generator used was an ejector type to make it easier to suck in atmospheric air. The research was carried out by injecting an oil-water mixture through a bubble generator before entering the hydrocyclone system. The air flow injected into the bubble generator was varied from 0.1-1.5 lpm. From experimental studies, it was found that as the air flow increased, the split ratio also increased. The pressure drop at the overflow increases gently while the underflow pressure drop increases significantly along with increasing input air flow. The greater the input air flow, the more significant the difference in underflow and overflow pressure drop. It has implications for a larger pressure drop ratio. The greater the air flow, the greater the overflow efficiency decreases, and the underflow efficiency increases. The highest efficiency in overflow is 87.77%.
PENGARUH PENGGUNAAN PASIR SILIKA DAN PASIR PANTAI TERHADAP KEKUATAN TARIK PADA PENGECORAN LOGAM ALUMINIUM Utomo, Wahyu; Sari, Eli Novita; Fiveriati, Anggra; Wahid, Muhammad Abdul; Pamuji, Dian Ridlo
ELEMEN : JURNAL TEKNIK MESIN Vol. 11 No. 2 (2024)
Publisher : POLITALA PRESS

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

Abstract

Casting is the process of manufacturing molten metal with a mold to produce a shape close to the original shape. The commonly used molding sand is mountain sand, river sand and silica sand. This research aims to analyze defects and tensile test results of castings with various types of sand (beach sand and silica sand) and types of aluminum (ADC 12 aluminum and aluminum from waste cans). The casting method used is traditional sand blasting. The results show defects in the form of surface hardness, rat tails, shrinkage cavities, and pinholes. The tensile test showed that the highest Ultimate Tensile Strength (UTS) value was obtained from a mixture of Al ADC 12 with beach sand with an average UTS value of 172.44 MPa.
Co-Authors Andhika, Muhammad Yusuf Anggra, Fiveriati Ayatullah, Mohamad Dimyati Catrawedarma Catrawedarma, IGNB Chairul Anam, Chairul Herman Yuliandoko, Herman Imron Musthofa Isworo, Hajar Kurnia Dwi Artika, Kurnia Dwi Kusuma, Dedy Hidayat Lusi, Nuraini Mega Lazuardi Umar Moh. Nur Shodiq, Moh. Nur Muhammad Syaifuddin Muzaka, Khairul Persada, Anggun Angkasa Bela Prayogo, Galang Sandy Rosi, Azriel Alfito Dela Sari, Eli Novita Wahid, M. Abdul Wahid, Muhammad Abdul Wahyu Utomo Wicaksono, Driyanto Wahyu