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All Journal AUSTENIT Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Turbo : Jurnal Program Studi Teknik Mesin Jurnal Elementer (Elektro dan Mesin Terapan) JTAM (Jurnal Teori dan Aplikasi Matematika) Jurnal Cakrawala Maritim
Purnomo, Dhika Aditya
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Humanities Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering

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Redesign Knuckle Coupler menggunakan Generative Design dan Finite Element Analysis Purnomo, Dhika Aditya; Bisono, Fipka
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 9, No 3 (2024): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v9i3.49142

Abstract

Coupler adalah peralatan perangkai yang menghubungkan antar sarana yg konstruksinya dapat terpisah atau dalam satu kesatuan. Komponen kereta api seperti sistem bogie termasuk coupler, dan konstruksi gerbong yang terlalu berat berdampak pada penurunan performa kereta api. Penilitian ini bertujuan untuk mengurangi berat coupler tanpa mengurangi kekuatan strukturnya. Pendekatan yang digunakan pada desain dan analisa coupler ini yaitu dengan megkombinasikan teknik Generative Design, Conventional Design dan Finite Element Analysis. Objektif yang digunakan adalah meminimalkan berat dengan safety factor minimum yang di tentukan. Variasi luaran CAD model dari gerative design yang dipilih kemudian di evalusai menggunakan Finite Element Analysis untuk melihat failure regions dan less critical regions. Teknik Conventional Design digunakan untuk memodifikasi desain coupler berdasarkan hasil analisa kemudian di evaluasi lagi menggunakan Finite Element Analysis hingga memenuhi objektif yang ingin dicapai. Dari hasil penelitian didapatkan desain coupler dengan berat 85.5% dari berat desain awal, tanpa mengurangi kekutan strukturnya yang di tunjukan dari hasil Finite Element Analysis yaitu tegangan maksimal pada beban tarik sebesar 511 Mpa dan 474 Mpa pada beban tekan.
ANALISIS PENGARUH SURFACE ROUGHNESS, TEMPERATUR SUBSTRAT, DAN JENIS MATERIAL ABRASIVE TERHADAP BIAYA PROSES MENGGUNAKAN METODE TAGUCHI Rachman, Farizi; Mutiara, Arun Sukma; Indrawan, Rizal; Setiawan, Tri Andi; Bisono, Fipka; Purnomo, Dhika Aditya; Hamzah, Fais
AUSTENIT Vol. 16 No. 1 (2024): AUSTENIT: April 2024
Publisher : Politeknik Negeri Sriwijaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53893/austenit.v16i1.7389

Abstract

The wrapping up and portray fabricating handle may be a organize of venture work at PT. Lintech Duta Pratama. Disgraceful portray forms result in absconds. Items that have absconds require repair so they can at that point be sent to clients. Rehashed repair forms cause expanded handle costs and obstruct item conveyance. In this manner, to get great item quality and diminish handle costs, inquire about to obtain ideal parameter settings is required. The method parameters considered are surface harshness, substrate temperature, and sort of abrasive fabric. The experimental design used is the taguchi method in the form of an orthogonal matrix . From the exploratory comes about, the ideal combination of handle parameters for prepare costs was gotten, to be specific surface harshness at level 1 with a esteem of 50 μm, temperature at level 2 with a esteem of 34 ° C, and rough fabric sort at level 2 with steel coarseness.
Optimization of Surface Roughness of AISI P20 on Electrical Discharge Machining Sinking Process using Taguchi Method Rachman, Farizi; Purnomo, Dhika Aditya; Fajardini, Ridhani Anita; Umami, Rena Riza
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 5, No 1 (2021): April
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v5i1.3291

Abstract

This research aims to obtain optimal value for the surface roughness of the material AISI P20 on the Electrical Discharge Machining (EDM) Sinking process. In the present research, the Taguchi method is used to investigate the significant influence of process variables on the machining performance and determine the combination of process variables on the EDM process. Orthogonal array L18 (21 × 33) based on the Taguchi method is chosen for the design of experiment. The experiment is replicated twice to finding out the influence of four process variables such as type of electrode, voltage gap, on-time, and off-time on the response performance. Machining performance is evaluated by surface roughness as a response variable that had quality characteristics, smaller is better. These experimental data were analyzed using the Signal-to-noise ratio and Analysis of Variance. The analysis results show that the surface roughness is influenced by the type of electrode and on time. Combination of process variables to obtain optimal surface roughness are using graphite electrodes, and setting values of gap voltage 40 volt, on-time 250 μs, and off-time 20 μs. This combination of process variables can be applied to the manufacturing process using EDM sinking in order to produce a good quality product that determined based on the surface roughness value.
Pengembangan Desain Konveyor Berkekuatan Tinggi Untuk Mengangkut Pasir Resin Furan Ke Mesin Penghancur Pasir Menggunakan Metode Ulrich Riska, Bimmanda Muhammad; Purnomo, Dhika Aditya; Bisono, Fipka; Indrawan, Rizal; Setiawan, Tri Andi; Fajardini, Ridhani Anit; Primaningtyas, Widya Emilia
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 11 No 2 (2025): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v11i2.6805

Abstract

Effective machinery and supporting systems significantly influence production capacity, precision, and workflow continuity. In several companies, the lifting of hardened furan sand is still performed using forklifts, leading to delays and reduced efficiency, particularly during night shifts. This condition highlights the need for a more reliable material handling system. This study aims to design a conveyor system capable of transporting hardened sand to the sand crusher machine as an alternative to forklift-based handling. The conveyor is designed to match the height and spatial constraints of the existing sand crusher and can be operated without forklift assistance. The design process includes problem identification, product requirement definition, concept development, and concept evaluation. The results indicate that the second design concept provides the best performance, with a maximum stress of 60.729 MPa, supported by six structural frames, and a total manufacturing cost of Rp 37,923,000. The proposed conveyor system offers a more efficient and practical solution for material handling in sand-processing operations.   Keywords: Manufacturing industry, production efficiency, conveyor system, sand crusher  
DESIGN OF A SANDBLASTING WASTE SIEVE MACHINE (CASE STUDY OF SHIPYARD) Indrawan, Rizal; Utomo, Alfarell Akbar Pradhana; Fajardini, Ridhani Anita; Bisono, Fipka; Setiawan, Tri Andi; Purnomo, Dhika Aditya; Rosalina, Amanda; Primaningtyas, Widya Emilia
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4559

Abstract

At the shipyard, the sandblasting process is routinely carried out to clean material surfaces from rust and other contaminants. This process produces waste in the form of used sand mixed with metal fragments and other debris, requiring separation before the waste can be reused as a concrete mixture. Currently, the separation process is still performed manually, which is considered inefficient due to the large volume of waste, averaging 42 tons per day. To address this issue, the author designed a sandblasting waste sieving machine to make the separation process more automatic and effective. The structural design and strength analysis were carried out using Autodesk Fusion 360 software. The simulation results of the selected design concept showed a minimum safety factor of 6.51, a maximum von Mises stress of 38.134 MPa on the main frame, and a maximum displacement of 0.186 mm on the sieve holder. The design has an estimated total manufacturing cost of Rp4.244.000,-.  
Penerapan Mesin Perajang Otomatis dalam Produksi Kunyit Kering untuk Peningkatan Kemandirian Ekonomi Petani Desa Kalipang Purnomo, Dhika Aditya; Fipka Bisono; Tri Andi Setiawan; Rizal Indrawan; Riananda, Dimas Pristovani; Wicaksono, Zaki; Raditya, Pandu Pradipa
Jurnal Cakrawala Maritim Vol. 9 No. 1 (2026): Jurnal Cakrawala Maritim
Publisher : P3M Politeknik Perkapalan Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35991/jcm.v9i1.82

Abstract

Kunyit (Curcuma longa Linn.) merupakan salah satu komoditas unggulan di Kabupaten Kediri dengan potensi ekonomi tinggi, namun pengelolaan pascapanen masih terkendala penggunaan metode manual yang tidak efisien. Proses perajangan tradisional menggunakan osrok menghasilkan irisan tidak seragam, sehingga menurunkan mutu kunyit kering dan daya saing produk di pasar. Program pengabdian kepada masyarakat ini bertujuan meningkatkan efisiensi produksi dan kualitas hasil melalui penerapan mesin perajang otomatis serta penguatan kapasitas manajerial petani. Metode yang digunakan adalah pendekatan partisipatif berbasis teknologi tepat guna, meliputi survei awal, pengadaan dan uji mesin, pelatihan teknis berbasis praktik langsung, pendampingan operasional, serta pelatihan manajerial. Evaluasi dilakukan dengan kuesioner pre–post test, catatan produksi, dan wawancara semi-terstruktur. Hasil menunjukkan kapasitas produksi meningkat dari 40 kg/jam dengan metode manual menjadi 80 kg/jam dengan mesin otomatis, dengan mutu rajangan lebih seragam. Skor pemahaman mitra meningkat dari 2,8 menjadi 4,6 (skala 1–5), menandakan peningkatan signifikan dalam keterampilan operasional. Selain itu, mitra mulai menerapkan pencatatan usaha sederhana. Kesimpulan utama dari program ini adalah integrasi teknologi tepat guna dengan pelatihan dan pendampingan terbukti efektif meningkatkan produktivitas, mutu produk, serta kemandirian petani. Kontribusi program terletak pada model integratif yang dapat direplikasi pada komunitas tani lain untuk memperkuat ekosistem pertanian herbal lokal dan mendukung pembangunan berkelanjutan.
Co-Authors Fais Hamzah Fajardini, Ridhani Anit Fajardini, Ridhani Anita Farizi Rachman Fipka Bisono Indrawan, Rizal Mutiara, Arun Sukma Primaningtyas, Widya Emilia Raditya, Pandu Pradipa Riananda, Dimas Pristovani Riska, Bimmanda Muhammad Rizal Indrawan Rosalina, Amanda Tri Andi Setiawan Umami, Rena Riza Utomo, Alfarell Akbar Pradhana Wicaksono, Zaki