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All Journal Jurnal Energi Dan Manufaktur Rotasi Jurnal Simetris ROTOR: JURNAL ILMIAH TEKNIK MESIN Indonesian Journal of Science and Technology Journal of Mechanical Engineering Science and Technology STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Elemen JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri Jurnal Polimesin
Ahmad Syuhri
Staf Pengajar Jurusan Teknik Mesin Fakultas Teknik Universitas Jember
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Journal : Jurnal Polimesin

 1 
Development of MQL (minimum quantity lubricant) automation in applying cutting fluid on lathes Aris Zainul Muttaqin; Mahros Darsin; Yohan Rizal Kharisma; Ahmad Syuhri; Muhammad Trfiananto
Jurnal POLIMESIN Vol 20, No 2 (2022): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v20i2.2618

Abstract

It is normal to apply cutting fluid to machining, but using it excessively will harm the environment. One of the efforts to reduce it is to apply minimum quantity lubrication (MQL). This study aims to minimize the use of cutting fluid by designing a cutting fluid delivery system with Arduino Uno control. The developed MQL system can be controlled both based on temperature and time. This MQL system was a development from the previous system by replacing the limit and temperature sensor, nozzle, and mini compressor with a sprayer. The performance of this new MQL system was compared to a flooded cutting fluid feeding system. The experimental design of Taguchi L9 (3^4) with additional varied factors such as depth of cut, cutting speed, and feed rate. Each factor consisted of 3 levels. The measured output was cutting fluid consumption. S/N ratio analysis showed that the method of giving the cutting fluid most dominantly affected the outcome. ANOVA showed that more than 97.56% of the factors were dominated by the method. The combination of factors that would produce a minimum burst at a rate of 180 ml/hour if applying a combination of factors and a level of depth of cut 1.8 mm and a cutting speed of 120.89 m/min, provision of cutting fluid with the periodic MQL method and feed rate of 0.122 mm/rev. Meanwhile, the metal removal rate (MRR) analysis recommended the use of periodic cutting fluid methods at a depth of cut of 2.2 mm. The development of the new MQL either temperature control or periodic system control, both were able to comply with the MQL criterion, i.e. the maximum spray of 500 ml/h.
Characterization of FDM 3D Printed Parts Using TPU + PETG Filaments For Shin Guard Products Darsin, Mahros; Yulio, Agit Yoga; Syuhri, Ahmad; Ramadhan, Mochamad Edoward; W.C.S, I Made Ivan; Sumarji, Sumarji
Jurnal Polimesin Vol 22, No 1 (2024): February
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i1.4122

Abstract

3D printing machines are used to print products that support sports activities, such as shin guards. During sports, shin guards are protective equipment to prevent injury to the lower legs. Filaments that are suitable for making shin guards are thermoplastic polyurethane (TPU) and polyethylene terephthalate (PETG) because they have impact resistance properties needed to protect the feet during sports. The variation is the level parameter layer height, nozzle temperature, printing speed, and bed temperature. Next, an impact test will be carried out to determine the optimal parameter variation on the 3D printing machine, which is expected to be a reference for printing quality products. This study uses a 3D printer, Ender v3, to print specimens and shin guard products. The material used is TPU+PETG filament. The Taguchi method with the orthogonal matrix L9(3)4 was repeated thrice for each experiment. After that, an analysis of variance was carried out. Parameter variations used in the study were layer height (0.1 mm, 0.2 mm, 0.3 mm), nozzle temperature (220℃, 225℃, 230℃), printing speed (45mm/s, 45mm/s, 50mm/s) and bed temperature. (70℃, 75℃, 80℃). In this study, Charpy impact testing will be carried out. The combination of factors that can produce an optimal impact test is layer height level 2 (0.2 mm), nozzle temperature level 1 (220℃), printing speed level 3 (50 mm/s) and bed temperature level 2 (75℃) with an impact strength value the highest was 27.20 and the lowest was 11.07. The combination of factors that have the most significant effect on the impact test strength values is layer height 63.97%, nozzle temperature 6.19%, printing speed 2.07% and bed temperature 4.74%.
Co-Authors ., Sumarji Agus Triono Ahmad Adib Rosyadi Ahmad Amril Nurman Ahmad Amril Nurman, Ahmad Amril Ahmad Ayyub Syaiful Aliyansyah, Berly Andi Sanata Aris Zainul Mutaqien Aris Zainul Mutaqqin Aris Zainul Muttaqin Arya Ramadhanu Arya Ramadhanu, Arya Boy Arief Fachri Cahyono, Hiding Danang Yudistiro Dedi Dwi Laksana Dedi Dwilaksana Deny Setiawan Digdo Listyadi, Digdo Dwi Djumhariyanto Fitoyo, Achmad Gaguk Jatisukamto Haidzar Nurdiansyah Hari Arbiantara Hari Arbiantara Hari Arbiantara Basuki Hari Arbiantara, Hari Hary Sutjahjono Hendry Wicaksana Indra Surya Iwanata Intan Hardiatama Koekoeh KW, Robertoes Kristianta, FX Lazuardi Rahmadhani Luh Putu Ratna Sundari M Edoward Ramadhan M Yuda Pratama M. Angga Saputra Mahros Darsin Mochamad Edoward Ramadhan Muhammad Abduh Muhammad Ardian Firmansyah Muhammad Dimyati Nashrullah Muhammad Hafri Evan Tofianto Muhammad Trfiananto Muhammad Trifiananto Muhammad Wildan Nashrullah, M Dimyati Nasrul Ilminnafik Noor HS, Skriptyan Prabowo Restu Eranio Prasetio, Dwi Angga Tary Pribadi, Dicki Hendri Raihaan, Raihaan Ridha, Fabrobi Rika Dwi Hidayatul Rika Dwi Qoryah Robertus Sidartawan Rudi Sugara, Imam Santoso Mulyadi Sella Devianty Sella Devianty, Sella Skriptyan Noor HS Sumarji Syahriza, Mochamad Rifki Syuhri, Skriptyan Valerian, Joey Veni Dwi Sulastri W.C.S, I Made Ivan Wibowo, Robertoes Koekoeh Koentjoro Widyono Hadi Yohan Rizal Kharisma Yulio, Agit Yoga Yuni Hermawan