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All Journal Scientific Journal of Mechanical Engineering Kinematika Journal of Mechanical Engineering Automotive Experiences
Deni Andriyansyah
Sekolah Tinggi Teknologi Warga Surakarta
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Effect of Magnetic Field Induce Arc in Autogenous TIG Welding of 304 Stainless Steel Butt Joint Haikal Haikal; Moch. Chamim; Deni Andriyansyah; Emanuel Budi Raharjo; Ario Sunar Baskoro; Isnarno Isnarno
Automotive Experiences Vol 4 No 1 (2021)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1193.534 KB) | DOI: 10.31603/ae.4199

Abstract

This paper reports the use of External Magnetic Field-Tungsten Inert Gas (EMF-TIG) method in butt joint applications to determine the effect of welding arc compression on the quality of butt joint of SS 304 thin plate was reported. The welding process was performed without using filler or autogenous welds. The external magnetic field was generated by placing a magnetic solenoid around the TIG welding torch. The results of this study showed that EMF-TIG welding can produce a more uniform bead width along the weld line compare with conventional TIG. Moreover, the D/W ratio obtained under external magnetic field was higher than without magnetic. However, the tensile strength of butt joint decreased with EMF-TIG because there is constriction in arc welding which produces shrinkage weld pool volume. In addition, high welding speeds result in a decrease in the tensile strength of both conventional TIG and EMF-TIG welds.
PENGARUH PRINTING SPEED TERHADAP TINGKAT KEKASARAN PERMUKAAN HASIL ADDITIVE MANUFACTURING DENGAN POLYLACTIC ACID FILAMENT Ikhwan Taufik; Herru Santosa Budiono; Herianto Herianto; Deni Andriyansyah
Journal of Mechanical Engineering Vol 4, No 2 (2020): Journal of Mechanical Engineering
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jom.v4i2.3412

Abstract

Tingkat kekasaran permukaan (Surface Roughness) merupakan salah satu hal penting dalam menentukan kualitas sebuah objek dalam dunia manufaktur tidak terkecuali teknologi Additive Manufacturing. Teknologi yang sering juga disebut 3D Printing ini juga merupakan salah satu teknologi kunci di Era Revolusi Industri 4.0 yang sedang berlangsung saat ini. Penelitian ini bertujuan untuk mengetahui pengaruh Printing Speed terhadap Surface Roughness produk yang dibuat menggunakan teknologi 3D Printing. Printing Speed merupakan salah satu parameter yang dapat diatur dan ditetapkan sebelum proses slicing dilakukan. Dalam penelitian ini, Printing Speed ditentukan 60 mm/s saat proses slicing menggunakan aplikasi CURA. Namun, variasi Printing Speed ini diatur di mesin 3D Printing yaitu 50% (spesimen ke-1), 100% (spesimen ke-2), dan 150% (spesimen ke-3). Pengukuran Surface Roughness dilakukan menggunakan Profilometer produk dari Mitutoyo seri Surftest SJ-210. Dengan batasan-batasan parameter yang ada di dalam penelitian ini, bisa disimpulkan bahwa nilai rata-rata hasil pengukuran tingkat kekasaran permukaan atau surface roughness (Ra) cenderung meningkat (semakin kasar) jika printing speed semakin ditingkatkan.
EVALUASI AKURASI DIMENSI PADA OBJEK HASIL 3D PRINTING Deni Andriyansyah; Sriyanto Sriyanto; Agus Jamaldi; Ikhwan Taufik
Journal of Mechanical Engineering Vol 5, No 1 (2021): Journal of Mechanical Engineering
Publisher : Universitas Tidar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31002/jom.v5i1.3942

Abstract

ABSTRAKFused Deposition Method (FDM) merupakan salah satu metode 3D printing yang paling populer digunakan. Teknologi FDM menawarkan proses manufaktur yang relatif lebih cepat dan murah bila dibandingkan dengan CNC atau injection moulding. Pada FDM, filament diumpankan ke dalam ekstruder yang dipanaskan pada temperatur tertentu kemudian didorong keluar melalui sebuah nozzle untuk menghasilkan lapisan-lapisan objek. Hingga saat ini, banyak komunitas yang menghasilkan mesin-mesin 3D printer skala kecil karena proyek-proyek teknologi 3D printing bersifat open-source. Masing-masing komunitas memiliki standar tersendiri dalam membuat mesin 3D printer sehingga salah satu masalah yang timbul dari aktifitas ini adalah akurasi objek hasil 3D printing yang kurang seragam. Penyimpangan geometri akan mempengaruhi proses desain dan produksi objek-objek hasil 3D printing. Hal ini terutama dalam pembuatan objek-objek yang memerlukan proses pemasangan/perakitan. Artikel ini bertujuan untuk mengetahui penyimpangan geometri objek hasil 3D printing yang dihasilkan dari mesin 3D printer FDM DIY. Pembuatan objek menggunakan 3D printing DIY mengalami deviasi pada dimensi geometri dan posisi. Deviasi geometri bervariasi dari -0,08 mm hingga +0,14 mm. Sedangkan deviasi posisi berada di rentang -0,08 mm hingga +0,12 mm. Berdasarkan data deviasi yang dihasilkan dari perbandingan di atas, maka pembuatan objek 3D printing dapat disesuaikan dengan simpangan masing-masing. Hal ini menjadi penting untuk mendapatkan objek dengan akurasi yang maksimal sehingga proses perakitan komponen dapat dilakukan dengan mudah dan sesuai dengan peruntukannya.Kata kunci: FDM, akurasi, poros, lubang ABSTRACTThe Fused Deposition Method (FDM) is one of the most popular 3D printing methods used. FDM technology offers a manufacturing process that is relatively faster and cheaper when compared to CNC or injection molding. In FDM, the filament is fed into an extruder which is heated to a certain temperature and then pushed out through a nozzle to produce layers of objects. Until now, many communities have produced small-scale 3D printer machines because 3D printing technology projects are open-source. Each community has its own standard in making 3D printer machines so that one of the problems that arise from this activity is the accuracy of the objects resulting from 3D printing which is less uniform. Geometry deviations will affect the design and production processes of 3D printed objects. This is especially true in the creation of objects that require an assembly / assembly process. This article aims to determine the irregularities in the 3D printed object's geometry resulting from the FDM DIY 3D printer machine. Making objects using DIY 3D printing experiences a deviation in the dimensions of the geometry and position. The geometry deviation varies from -0.08 mm to +0.14 mm. While the position deviation is in the range of -0.08 mm to +0.12 mm. Based on the deviation data generated from the above comparisons, the creation of 3D printing objects can be adjusted according to the respective deviation. It is important to obtain objects with maximum accuracy so that the component assembly process can be carried out easily and according to its purpose. Keyword: FDM, accuration, pivot, hole
PENGARUH PARAMETER PROSES WIRE ARC ADDITIVE MANUFACTURING (WAAM) TERHADAP GEOMETRI BUTIR LAS TUNGGAL ER5356 Deni Andriyansyah; Herianto; Emanuel Budi Raharjo; Husein Arif Susanto; Gervasius Andro Hermawan Mintardjo
Scientific Journal of Mechanical Engineering Kinematika Vol 9 No 2 (2024): SJME Kinematika Desember 2024
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v9i2.363

Abstract

This study examined the effects of WAAM printing parameters on single weld bead geometry using ER5356 aluminum electrode (0.1 mm diameter). Parameters varied include Voltage (18 V, 22 V, 26 V), Current (100 A, 140 A, 180 A), and Feedrate (500 mm/min, 750 mm/min, 1000 mm/min). The process produced both discontinuous and continuous weld beads. Continuous weld beads with Heat Input (HI) ranging from 0.17 kJ/mm to 0.43 kJ/mm were achieved under low voltage (18 V) and high current (180 A) settings. Voltage variation did not significantly affect bead consistency, but consistent welds were more prevalent under high-current and low-voltage conditions than with high-voltage settings. Feedrate influenced bead geometry, with lower feedrates producing larger weld grains. The smallest layer width (6.77 mm) and height (1.36 mm) were obtained with 22 V, 140 A, and 1000 mm/min, while the largest width (14.29 mm) and height (2.8 mm) resulted from 26 V, 180 A, and 500 mm/min. This study highlights the impact of voltage, current, and feedrate on weld bead geometry and consistency in WAAM processes.
Co-Authors Agus Jamaldi Ario Sunar Baskoro Chamim, Moch. Emanuel Budi Raharjo Emanuel Budi Raharjo Gervasius Andro Hermawan Mintardjo Haikal Herianto Herianto Herianto Herru Santosa Budiono Husein Arif Susanto Isnarno Isnarno Sriyanto Sriyanto Taufik, Ikhwan