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All Journal Rotasi Rekayasa Mesin Abdi Masya Teknika Jurnal Riset Rumpun Ilmu Teknik (JURRITEK)
Deni Andriyansyah
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Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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Peningkatan Kedalaman Penetrasi Las Stainless Steel 304 dengan Medan Magnet Eksternal pada Pengelasan Autogenous Tungsten Inert Gas Welding Haikal, Haikal; Chamim, Moch.; Andriyansyah, Deni; Wiyono, Apri; Baskoro, Ario Sunar; Isnarno, Isnarno
Jurnal Rekayasa Mesin Vol 12, No 1 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.01.10

Abstract

In this study, research on the use of the External Magnetic Field method – Tungsten Inert Gas was done to determine the effect of welding arc compression on the quality of AISI 304 thin plate weld. The welding process was performed using autogenous welds. In this study, an external magnetic field was generated by placing a magnetic solenoid around the TIG welding torch. Enabling this electromagnetic field is done dynamically using a microcontroller. Welding parameters used are welding current 100; 105; 110 A and welding speed 1.6; 1.8; 2.05 mm/s. The results of this study showed that EMF-TIG welding can produce a more uniform bead width along the weld line with a standard deviation of 0.08 compared with conventional TIG welding of 0.12. Increased welding speed of  2.05 mm/s causes no effect on the addition of an external magnetic field to the width of the weld bead. The current parameters are 105 A with a speed of 1.6; 1.8; 2.05 mm/s resulted in compression of the top bead width by 0.87; 0.61; 0.1 mm. The welding parameters with a current of 105 A and welding speed of 1.6 mm/s have a larger upper bead compression effect of 0.84 mm compared to 110 A currents of 0.38 mm. Moreover, the D/W ratio obtained under an external magnetic field was higher than without magnetic.
PENGARUH JUMLAH SUDU TERHADAP KINERJA TURBIN SAVONIUS TIPE DRAG PADA ALIRAN AIR DALAM PIPA Jamaldi, Agus; Purwono, Arif Hidayat; Andriyansyah, Deni; Raharjo, Emanuel Budi
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1338

Abstract

The concept of clean and renewable energy is currently a focus developed continuously. One of the abundant sources of clean and renewable energy is water. A water turbine is a mechanism to generate electrical energy by utilizing the water flow. Pico or nano hydro turbines produce electrical energy by taking advantage of the flow of water that rotates the shaft of the electric generator. This experimental study aims to analyze the effect of differences in the number of blades on a Horizontal axis drag-type Savonius turbine mounted of water flow in a vertical pipe. The variations of blades number used in the study are 3, 4, 6, 8, 10, and 12. The potential energy of the water is kept constant with a constant head of 2 meters. Four main parameters used as a benchmark for the performance of water turbines are rotor rotation, voltage, current and electrical power generated. The results showed that the rotor rotation, voltage, current, and generated electrical power decreased as the number of blades used increased. The water turbine of 3 blades produces the best performance compared to the other one. The magnitude of the rotor rotation, voltage, current, and electrical power generated is 846 rpm, 15.28 volts, 0.61 amperes, and 9.38 Watts, respectively.
Optimasi Parameter Proses 3D Printing pada Pencetakan Model Tooth Bucket menggunakan Nozzle 0,6 mm Andriyansyah, Deni; Kristiyono, Roedy; Chamim, M.; Herianto, Herianto
ROTASI Vol 25, No 4 (2023): VOLUME 25, NOMOR 4, OKTOBER 2023
Publisher : Departemen Teknik Mesin, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/rotasi.25.4.7-13

Abstract

Penelitian ini bertujuan untuk mengetahui parameter proses optimum pada pencetakan model tooth bucket. Material filamen yang digunakan dalam penelitian ini adalah Polyethylene Terephthalate Glycol (PETG). Specimen dicetak menggunakan mesin 3D printer tipe Delta. Dengan penggunaan nozzle 0,6 mm, objek dicetak pada printing temperature 215 oC dan printing speed 60 mm/s. Pada penelitian ini, parameter yang diuji adalah wall thickness, dan infill density untuk meminimalisasi cacat akibat under extrusion, visible infill, dan pillowing. Spesimen pertama dicetak dengan wall thickness 0,8 mm dan infill density 20%. Namun hasil cetak spesimen pertama masih mengalami cacat visual sehingga pada spesimen kedua digunakan parameter wall thickness 1,8 mm dan infill density 50%. Objek hasil cetak menunjukkan hasil yang cukup bagus dan tidak ditemui cacat-cacat seperti pada spesimen pertama. Kemudian parameter pencetakan kedua digunakan untuk mencetak model tooth bucket. Dengan penggunaan parameter proses tersebut, dapat dihasilkan objek dengan waktu yang cukup cepat dan material yang tetap hemat.
Peningkatan Kompetensi Desain Bagi Guru SMK Menggunakan Software Solidworks Jamaldi, Agus; Supriyanto, Agung; Andriyansyah, Deni; Wicaksono, Muh. Tsaqila; Savidaprima, Albert Yunatan; Riyadi, Tri Widodo Besar
Abdi Masya Vol 1 No 2
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/abma.v1i2.131

Abstract

Program Kemitraan Masyarakat (PkM) ini bertujuan untuk meningkatkan kompetensi guru SMK khususnya dalam bidang desain menggunakan software Solidworks. Guru yang merupakan subjek utama dalam transfer pengetahuan ini harus memiliki kompetensi yang memadahi, sehingga ilmu yang ditransfer kepada para siswa dapat dimengerti dengan baik. Kegiatan ini dilaksanakan mengingat adanya tuntutan perkembangan zaman dalam bidang desain, di mana desain saat ini diharapkan mampu dikerjakan secara efisien, hasil yang akurat, dan mampu dilakukan perbaikan dalam waktu singkat jika terjadi kesalahan. Metode pelatihan dengan cara para peserta mengikuti langkah-langkah tutorial dari instruktur. Materi pelatihan dirangkum dalam modul pelatihan yang diberikan kepada setiap peserta serta diakhir sesi, semua peserta wajib mengisi form post-test yang telah disediakan. Hasil dari pelatihan dan analisis terhadap jawaban post-test peserta didapatkan bahwa kemampuan para peserta dalam menggunakan Solidworks meningkat sebesar 33%. Pelatihan ini juga sangat bermanfaat dalam meningkatkan kompetensi/kemampuan para guru SMK khususnya di bidang desain menggunakan software SolidWorks serta diharapkan kompetensi yang sudah diperoleh dapat ditransfer ke para siswanya.
Perancangan Dan Pembuatan Mesin 3D Printer Tipe Cantilever Andriyansyah, Deni; Sriyanto; Jamaldi, Agus
Abdi Masya Vol 1 No 2
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/abma.v1i2.139

Abstract

Teknologi 3D printing termasuk dalam metode manufaktu rbaru yang disebut dengan metode additive manufacturing. Metode ini mempunyai cara kerja menumpuk material untuk membuat sebuah objek 3 dimensi. Penelitian dalam bidang desain dan assembly mesin 3D printer masih belum banya kdilakukan. Pada umumnya, mesin-mesin 3D printer yang digunakan memiliki paling tidak 5 motor stepper, yaitu sumbu X 1 buah, sumbu Y 1 buah, sumbu Z 2 buah serta motor ekstruder 1 buah. Paper ini akan membahas mengenai alternative desain mesin 3D printer FFF dengan model cantilever yang menggunakan 4 motor stepper sehingga lebih hemat komponen. Proses desain dan assembly 3D printer tipe cantilever menghasilkan mesin dengan area kerja 200 x 200 x 200 mm dan ketelitian 0,1 mm. Mesin 3D printer yang didesain memiliki komponen utama berupa komponen mekanik dan elektrik. Komponen mekanik terdiri dari frame, linear guide, bracket, leadscrew, pulley dan timing belt. Komponen elektrik terdiri dari controller, lcd, motor stepper, limit switch, soket serta power supply. Dengan meminimalisir jumlah motor stepper yang digunakan, maka desain 3D printer tipe cantilever dinilai lebih ekonomis dengan desain yang minimalis. Mesin seperti ini cocok digunakan untuk kegiatan-kegiatan yang bersifat mobile. 3D printer ini kedepan akan dimanfaatkan untuk melakukan pelatihan kepada masyarakat untuk memperkenalkan teknologi manufaktur baru, yaitu proses cetak 3 dimensi.
PELATIHAN PENGETAHUAN DAN KETERAMPILAN DASAR 3D PRINTING UNTUK GURU SMK BHINNEKA KARYA SURAKARTA Andriyansyah, Deni; Vendy Hermawan, Muhammad; Supriyanto, Agung; Margono, Margono; Budi Raharjo, Emanuel
Abdi Masya Vol 4 No 1
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/abma.v4i1.223

Abstract

Teknologi manufaktur memiliki cakupan bidang yang sangat luas. 3-Dimensional Printing merupakan salah satu teknik manufaktur yang digunakan untuk menciptakan produk jadi 3 dimensi. Alat yang digunakan adalah alat printer 3D dengan material  penyusun seperti plastik, logam, maupun serbuk. Kegiatan Pengabdian kepada Masyarakat ini menggunakan alat 3D printer berbahan plastik karena dinilai lebih praktis dan efektif untuk skala laboratorium. Peserta pelatihan adalah guru-guru SMK Bhinneka Karya Surakarta, dengan pemateri adalah dosen-dosen Sekolah Tinggi Teknologi “Warga” Surakarta. Adapun tujuan dari kegiatan pengabdian kepada masyarakat ini adalah untuk memperkenalkan dan memberikan pelatihan kepada guru-guru SMK Bhinneka Karya Surakarta dalam menggunakan mesin 3D Printer. Peserta pelatihan diberikan materi dasar-dasar penggunaan mesin printer 3D, cara instalasi alat, membuat desain, mentransfer file desain ke alat printer, dan selanjutnya mencetak desain 3D. Proses evaluasi dikelompokkan menjadi empat kategori, yaitu pemahaman konsep, instalasi dan penggunaan, perawatan mesin dan keinginan belajar lebih lanjut. Pemahaman peserta meningkat sebesar 1,7 poin setelah mengikuti pelatihan. Pada keterampilan instalasi dan penggunaan serta perawatan mesin, nilai pre test peserta cukup rendah (1,8 dan 2,1 poin berturut-turut) dan meningkat cukup tajam sebanyak 2,5 dan 2,1 poin setelah pelatihan. Sementara itu, nilai pre test untuk keinginan untuk mengenal teknologi 3D Printing mencapai 3,4 poin dan meningkat setelah mengikuti pelatihan menjadi 4,5 poin. Hasil evaluasi menunjukkan bahwa teknologi 3D Printing belum terlalu dikenal oleh masyarakat, khususnya lembaga pendidikan. Sehingga dengan adanya pelatihan ini, diharapkan guru-guru di SMK Bhinneka Karya Surakarta mampu mengenal dan menguasasi teknologi 3D Printing untuk dikembangkan sesuai dengan bidang keilmuan masing-masing. Selanjutnya, keterampilan tersebut bisa diajarkan kepada siswa-siswa melalui kegiatan seminar, ekstra kurikuler atau dapat dimasukan ke dalam materi pembelajaran kurikuler.
ALAT DAUR ULANG BOTOL PET MENJADI BAHAN BAKU FILAMEN UNTUK 3D PRINTER Supriyanto, Bambang; Andriyansyah, Deni
Teknika Vol 10 No 1 (2025): April 2025
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/teknika.v10i1.465

Abstract

Plastic bottles made from Polycarbonate (PC) are widely used for mineral water packaging. The use of these materials results in a large amount of plastic-type waste, which is bad for the environment if not handled properly. The plastic bottle packaging is only recommended for one-time use. Plastic bottles made from PET can be processed and used as raw material for 3D printers. The processing of these plastic bottles uses microcontroller technology, which is made to adjust the temperature for heating the PET bottle material, as well as to control the rotation of the servo motor used to push and pull the rolling material. The control method used uses the PID theorem, which is regulated manually by trial and error, where this research only tests how much temperature is needed and the motor pull speed (RPM) to produce raw materials for 3D printers. The expected diameter of the process results has been determined with the size of the nozzle diameter used, which is 1.7 mm. From the test results after the tool was made, plastic bottles that had been cut like ribbons with a width of 1 mm, a heating treatment of 170°C with a tensile speed by adjusting the speed of 20.8% and 40.8% got the best results visually, smooth, clear and bonding is pretty good.
PENGARUH JUMLAH SUDU TERHADAP KINERJA TURBIN SAVONIUS TIPE DRAG PADA ALIRAN AIR DALAM PIPA Jamaldi, Agus; Purwono, Arif Hidayat; Andriyansyah, Deni; Raharjo, Emanuel Budi
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1338

Abstract

The concept of clean and renewable energy is currently a focus developed continuously. One of the abundant sources of clean and renewable energy is water. A water turbine is a mechanism to generate electrical energy by utilizing the water flow. Pico or nano hydro turbines produce electrical energy by taking advantage of the flow of water that rotates the shaft of the electric generator. This experimental study aims to analyze the effect of differences in the number of blades on a Horizontal axis drag-type Savonius turbine mounted of water flow in a vertical pipe. The variations of blades number used in the study are 3, 4, 6, 8, 10, and 12. The potential energy of the water is kept constant with a constant head of 2 meters. Four main parameters used as a benchmark for the performance of water turbines are rotor rotation, voltage, current and electrical power generated. The results showed that the rotor rotation, voltage, current, and generated electrical power decreased as the number of blades used increased. The water turbine of 3 blades produces the best performance compared to the other one. The magnitude of the rotor rotation, voltage, current, and electrical power generated is 846 rpm, 15.28 volts, 0.61 amperes, and 9.38 Watts, respectively.
Pengaruh Fraksi Volume terhadap Kekuatan Tarik Komposit Hibrid Serat Gambas (Luffa Cylindrica) dan Fiberglass Syahdila Yoga Pratama; Deni Andriyansyah
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6670

Abstract

This study aims to determine the effect of varying hybrid composite volume fractions of luffa (Luffa cylindrica) fiber and fiberglass on the tensile strength of the material. The composite matrix used was polyester resin, while the reinforcements consisted of luffa fibers treated with 5% KOH alkaline solution to improve adhesion with the matrix, and fiberglass as an additional strengthening material. The composition variations applied in this research were 90%:5%:5%, 85%:7.5%:7.5%, and 80%:10%:10% (polyester resin : luffa fiber : fiberglass). The fabrication process was carried out using the hand lay-up method, which is widely used for producing layered composites, followed by tensile testing according to standard mechanical testing procedures to evaluate tensile strength and elongation. The results showed that the addition of luffa fiber and fiberglass fractions had a significant influence on the mechanical properties of the composites. The 80%:10%:10% variation demonstrated the highest tensile strength value of 13.65 MPa and the highest elongation of 0.0105%, indicating better mechanical performance compared to other variations. These findings confirm that the hybridization of natural luffa fiber and synthetic fiberglass can work synergistically to improve the tensile strength of the composite. However, higher fiber fractions should be considered carefully, as they may affect the homogeneity of the mixture and the quality of interfacial bonding. Further research is recommended to optimize volume fractions, enhance fiber surface treatments, and evaluate additional mechanical properties such as impact strength and hardness, in order to explore the potential of hybrid composites as eco-friendly materials with promising mechanical performance.
Pengaruh Perlakuan Alkalisasi KOH dan Variasi Waktu Perendaman terhadap Sifat Mekanik Komposit Serat Luffa Cylindrica Lucky Akbar Pangestu; Deni Andriyansyah
JURNAL RISET RUMPUN ILMU TEKNIK Vol. 4 No. 3 (2025): Desember : Jurnal Riset Rumpun Ilmu Teknik
Publisher : Pusat riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurritek.v4i3.6753

Abstract

This study aims to investigate how variations in the soaking time of Luffa cylindrica fibers in alkaline solutions affect the mechanical properties and fire resistance of the resulting composite material. The use of natural fibers is an important step in finding environmentally friendly and sustainable alternatives to replace synthetic materials. Luffa cylindrica fibers were chosen for their advantages, such as being lightweight, strong, and abundantly available. However, natural fibers like luffa contain non-cellulose compounds, such as lignin and hemicellulose, that can hinder strong bonding with the resin matrix. Therefore, pre-treatment with an alkaline solution is necessary to remove these interfering substances. In this study, composites were made using the hand lay-up method with polyester resin as the main matrix. The treatment variable tested was the fiber soaking time in KOH solution, with three variations: 2 hours, 4 hours, and 6 hours. After the composite fabrication, the samples were tested through several standard tests, including tensile tests to measure the material's strength under tension, impact tests to assess toughness, and burn rate tests to evaluate fire resistance. Additionally, macro and micro photo analysis (using SEM if possible) will be conducted to observe fracture characteristics and the quality of the fiber-resin bond. The expected outcome is that longer alkaline soaking will significantly improve tensile strength and toughness. Furthermore, longer soaking is also expected to improve fire resistance by forming a char layer, which acts as a thermal insulator, slowing heat transfer and reducing the rate of pyrolysis.
Co-Authors Agung Supriyanto, Agung Apri Wiyono Ario Sunar Baskoro Bambang Supriyanto Budi Raharjo, Emanuel Chamim, M. Chamim, Moch. Haikal Haikal Herianto Herianto ISNARNO ISNARNO Jamaldi, Agus Lucky Akbar Pangestu Margono Margono Purwono, Arif Hidayat Raharjo, Emanuel Budi Roedy Kristiyono, Roedy Savidaprima, Albert Yunatan Sriyanto Syahdila Yoga Pratama Tri Widodo Besar Riyadi Vendy Hermawan, Muhammad Wicaksono, Muh. Tsaqila