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Studi Finite Element Analysis terhadap Kekuatan Struktural Dua Desain Roda Kereta Menggunakan ANSYS Workbench 17.2 Davareza, Tinton; Ganda, Andita Nataria Fitri; Wulandari, Diah; Mubarok, Dio Dwi; Firmansyah, Ganda Putra
Jurnal Rekayasa Mesin Vol 10 No 03 (2025): JRM Desember 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v10i03.73974

Abstract

Roda kereta merupakan komponen vital dalam sistem perkeretaapian yang harus mampu menahan beban operasi secara aman dengan deformasi dan konsentrasi tegangan yang terkendali. Penelitian ini bertujuan untuk mengevaluasi dan membandingkan performa struktural dua desain roda kereta melalui pendekatan Finite Element Analysis (FEA). Analisis dilakukan menggunakan ANSYS Workbench 17.2 dengan memodelkan kontak roda dengan rel menggunakan tipe kontak frictionless agar kondisi batas lebih merepresentasikan kondisi operasi nyata. Material yang digunakan adalah baja karbon ASTM A36 sebagai pendekatan baseline, dengan pembebanan vertikal sebesar 110.362,5 N yang merepresentasikan setengah beban gandar jalur rel kelas I. Parameter evaluasi meliputi tegangan ekuivalen Von Mises, total deformasi, dan safety factor. Hasil simulasi menunjukkan bahwa Model B memiliki performa struktural yang lebih baik dibandingkan Model A, ditunjukkan oleh tegangan maksimum yang lebih rendah (160,82 MPa dibandingkan 195,19 MPa), deformasi maksimum yang lebih kecil (0,029245 mm dibandingkan 0,045356 mm), serta nilai safety factor minimum yang lebih tinggi (1,3742 dibandingkan 1,1322). Perbedaan kinerja ini dipengaruhi oleh variasi geometri, khususnya pada web plate, radius transisi, dan distribusi massa roda. Penelitian ini memberikan kontribusi berupa pemahaman pengaruh geometri terhadap respons struktural roda kereta dan dapat digunakan sebagai dasar evaluasi awal desain roda kereta menggunakan pendekatan FEA.
PEMBUATAN CETAKAN SENDOK PUDING DENGAN INJECTION MOLDING DARI MATERIAL POLYLACTIC ACID (PLA) DAN PATI SINGKONG Al Fath Hasby Ash Shiddiqy, Yhun; Ganda, Andita Nataria Fitri; Wulandari, Diah; Arifianti, Lailatus Sa'diyah Yuniar
Jurnal Rekayasa Mesin Vol 10 No 03 (2025): JRM Desember 2025
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrm.v10i03.74386

Abstract

Plastic is widely used in Indonesia, but its non-biodegradable nature causes accumulation and environmental pollution. As a solution, more eco-friendly bioplastics have been developed. This study aims to produce and analyze pudding spoon molds made from Polylactic Acid (PLA) and cassava starch using the injection molding method. The process began with product and mold design using Autodesk Fusion 360 with product dimensions of 125.5 × 25.2 × 2 mm and mold dimensions of 132 × 60 × 35.6 mm. Mold Flow simulation was conducted to analyze parameters such as fill confidence, visual defects, warpage, air traps, and deflection. The mold was manufactured using CNC machining with aluminum 5052 material. The PLA and cassava starch mixtures were varied, heated at a mold temperature of 160 °C and injection temperature of 190 °C, with a cooling time of approximately 5 minutes. The comparison between simulation and actual results showed dimensional differences for each material variation. The largest deviation occurred at a ratio of 40% PLA and 60% cassava starch, reaching 14.9%, while the best result was obtained at a ratio of 50% PLA and 50% cassava starch with only 0.72% deviation from the initial design. This study indicates that material composition significantly affects the dimensional quality of bioplastic products produced through the injection molding process.
Rancang Bangun Mesin Uji Abrasi Material Alumunium Terhadap Pelumasan Oli Eko Saputra, Aditiya Wahyu; Wulandari, Diah; Sakti, Arya Mahendra; Puspitasari, Dewi
Jurnal Rekayasa Mesin Vol 11 No 01 (2026): JRM April 2026 (In Press)
Publisher : Universitas Negeri Surabaya

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

Abstract

Abrasion is a common wear mechanism that occurs in machine components due to repeated frictional contact, particularly in aluminum materials that are widely used because of their light weight and corrosion resistance. Nevertheless, aluminum remains susceptible to wear when the lubrication system does not perform optimally. This study aims to design and develop a laboratory-scale abrasion testing machine and to analyze the effect of rotational speed on the wear behavior of aluminum 6061 under oil lubrication. The research employed a research and development method consisting of design, fabrication, assembly, functional testing, and abrasion testing stages. Abrasion tests were conducted at rotational speeds of 500, 1000, and 1500 RPM with a constant load of 3 kg, a test duration of 30 minutes, and Shell SAE 10W-30 oil as the lubricant. Quantitative data were obtained from the measurement of specimen mass loss before and after testing, while qualitative analysis focused on machine performance and operational stability during testing. The results indicate that the developed abrasion testing machine operated properly and was capable of producing consistent wear data. The mass loss of aluminum specimens increased with higher rotational speeds, with the highest average wear observed at 1500 RPM. This study contributes by providing a simple and cost-effective abrasion testing machine for laboratory applications and by offering insights into the influence of rotational speed on the wear behavior of aluminum under lubricated conditions.
Co-Authors ', Usman 'Ilmi, Muhammad Iklil Ulil Adam, Fian Adidya Adham Rifai, Hasif ADIYANTORO, ARI Affandi, Bagus Rizal Afghan, Fayyadh Buddy Al AFIF HIDAYAT, AHMAD Afifah, Hidayanti Nuzulatul Aidah, M. Fishal Askarul Faris Aji Nugroho Akbar, Mokhamad Rizky Al Fath Hasby Ash Shiddiqy, Yhun Alam, Ilham Rofiqul Alfadilla, Muhammad Fajar ALFIANTO, RENDI Amalia, Sefi Ambarita, Gilbert Doni AMNA, MUSTAFID Anatri Desstya Andrian Andrian Apriyanti, Fitri Ariana Setiani Arifianti, Lailatus Sa'diyah Yuniar Arruafy, Mohammad Ghithrof Arya Mahendra Sakti Atiqoh, Nisrina Bayu Kurniawan Bin Laday, La Dedy Augustino Cahyo Nugroho, Cahyo Chinsa, Iqbal Rifky Davareza, Tinton Dewanti Handayani, Sri Sularti Dewi Puspitasari Dyah Riandadari Eka, Yuliasti Eko Marsyahyo Eko Saputra, Aditiya Wahyu Fachry Abda El Rahman FARADILLA FIRDAUSY, MEUTIA Farizi, Aziizun Faiq Al Fatahillah, Idham Rizki Yusma Febrianto, Andrie Seva Ferly Isnomo Abdi Fikri, Zainur Rijalul Firdaus, Oktavian Bachtiar Firiski, Edwi Febrian Firman Yasa Utama Firman Yasa Utama Firmansyah, Ganda Putra Firmansyah, Rian Ganda, Andita Ganda, Andita Nataria Fitir Ganda, Andita Nataria Fitri Gegatama, Muhammad Henwa HAMIDI, M. NIZAR SYARIF Hardinansya, Farid Aziz Hartuti Purnaweni Hermawan, Dedy Andy Hudaya, Adam Aryadana Ibad, Muhamad Nahrudin Irfa’i, Mochamad Arif IRFAN MAULANA, MUHAMMAD Irwandy Syofyan Kembaren, Julbintor Kusuma, Muhammad Dewantara Kusuma, Rachmad Andrian Jaya Mahendra, Genta Arya Rahma Manggalasari, Lena Citra MARTINO, SANDI Marzad, Deftana Aqsya Mubarok Mubarok Mubarok, Dio Dwi Muhammad Riza Hafizi Mujakki, Muhammad Akbar Murti, Dafa Aditya Naqsyabandi, Ananda Rafly Naufal, Bayu Ahmad Nosuvian, Joko Laksono Novi Resmini Nur, Muhammad Baihaqi Nurhadi, Jatmika Octavianissa, Icha Nur Pata Ledi, Simon Aten Permana , Iman Prasetyo, Rafly Budi Pratama, ceisaleo Pandu PRATIYAS, FANDI Prayogo, Muhammad Putri, Annisa Rizqika Hermalia Putri, Danisha Yoananda Rachma Hasibuan Rachmanda, Reza Irfani Rachmattan, Ryan Rahman, Riandito Auki Minanda Rahputri, Rani Rakhman, Abdullah Ramadhan, Aldhi Fahrezy Ramadhani A, Gilang Ridho, Mukhlis Yazid Rochaman, Nur ROHMADANININGSIH, LINDA ROUDHOTUL HARIRIN, SITI Rusli, Ghozy Meiky Ryandadari, Dyah Saputra, Prihatama Wahyu Sedjati, Moch. Ari Wibowo Shadiq, Muhammad Difa Ash Sri Endah Wahyuningsih Sudana, Undang Sugianto, Albert Sulistyorini, Elisa Suryonegoro, Satrio Adi Sutriyono Titik Djumiarti Toni Prahasto Trimanah, Trimanah Trimariyono, Dimas Ubaidillah, Moch. Rizal Vincencius Gunawan, Vincencius WARJU Widiyanti, Prastiwi Wahyu Widoretno, Yustin Setiya Widyastuti, Yani Winoto, Roy Ariel Wulandari, Cyndhi Kartika Yuda, Mohammad Wira Yulianto, Angki Narda Zainal Abidin