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All Journal Rotasi Rekayasa Mesin Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering Jurnal Technopreneur (JTech) Infotekmesin AEEJ : Journal of Automotive Engineering and Vocational Education Jurnal Techno Bahari Majalah Iptek Politeknik Negeri Medan Polimedia Journal of Applied Mechanical Engineering and Renewable Energy (JAMERE) Sewagati Jurnal Polimesin Journal Mechanical Engineering Jurnal Rekayasa Mesin
Auliana Diah Wilujeng
Politeknik Negeri Madura
Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Studi eksperimental variasi media pendingin dan holding time tempering terhadap kekerasan material pengganti pin track link excavator 305.5E2 Auliana Diah Wilujeng; Misbakhul Fatah; Laily Ulfiyah
TURBO [Tulisan Riset Berbasis Online] Vol 12 No 1 (2023): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v12i1.2223

Abstract

The frequency of using heavy equipment that exceeds capacity often occurs in construction projects. This can cause components to fail or wear out as in track link pin components. Therefore, this study aims to obtain a good quality of heat treatment using quenching and tempering methods, to the hardness values of AISI 1045 and AISI 1037 steels for replace the track link pin components of Excavator 305.5E2. In this study, the method of heat treatment is hardening with a temperature of 800℃. After that it is cooled quickly using water and oil media. After that, the specimens were tempered based on differences in holding times of 30, 35, 40 minutes. Specimens that have been heat treated will be tested using a hardness test using the Vickers method. From the results of this study, it was found that the effect of the cooling medium and holding time on the hardness value of AISI 1045 steel. At a holding time of 30 minutes the hardness value was 41.5 HRC. Meanwhile, in water media at a holding time of 30 minutes, the hardness value is 32.2 HRC.
Rancang Bangun Turbin Kaplan Variasi Diameter Baling-Baling Untuk Menghasilkan Daya Listrik Amin Jakfar; Misbakhul Fatah; Auliana Diah Wilujeng
AEEJ : Journal of Automotive Engineering and Vocational Education Vol 3 No 2 (2022): AEEJ : Journal of Automotive Engineering and Vocational Education
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/aeej.v3i2.127

Abstract

Water energy can be used as a power plant by utilizing the available potential energy (waterfall potential and flow velocity). Today's energy needs are increasing along with the increase in population growth. Kaplan turbine is a turbine composed of propellers/turbine wheel blades such as ship propellers. The Kaplan turbine blades' length and width determine the Kaplan turbine's outer diameter. The outer diameter of the Kaplan turbine will influence the torque generated by the Kaplan turbine. The greater the torque produced, the greater the power obtained. Data collection was carried out to calculate power with five variations of the propeller's diameter, namely 21 cm, 24 cm, 25.8 cm, 27 cm, and 30 cm. s, 0.0133 m3/s, 0.0139 m3/s, and 0.0152 m3/s. The results of the Kaplan turbine test with variations in the blades' diameter and variations in the discharge obtained tremendous power at a diameter of 30 cm with a flow rate of 0.0152 m3/s. Tenaga air yang dalam bahasa Inggris “hydropower” adalah energi yang diperoleh dari air yang mengalir. Air merupakan sumber energi, karena pada air tersimpan energi potensial (pada air jatuh) dan energi kinetik (pada air mengalir). Energi air merupakan energi yang dapat dimanfaatkan sebagai energi pembangkit listrik. Pemanfaatan energi air banyak dilakukan dengan menggunakan turbin air. Turbin Kaplan adalah jenis turbin yang tersusun dari propeller/sudu-sudu roda turbin seperti Diameter luar turbin baling-baling kapal. Kaplan ditentukan oleh panjang dan lebar baling-baling turbin Kaplan. Torsi yang dihasilkan turbin Kaplan akan dipengaruhi oleh diameter luar turbin Kaplan. Semakin besar torsi yang dihasilkan maka semakin besar pula daya yang didapatkan. Untuk menghitung daya maka dilakukan pengambilan data dengan lima variasi diameter baling-baling yaitu 21 cm, 24 cm, 25.8cm, 27 cm, dan 30 cmdan variasi debit pada setiap diameter ada lima, yaitu 0,01 m3/s, 0,0116 m3/s, 0,0133 m3/s, 0,0139 m3/s, dan 0,0152 m3/s. Hasil pengujian turbin Kaplan variasi diameter baling-baling dan variasi debit didapatkan daya terbesar pada diameter 30 cm dengan debit 0,0152 m3/s.
Welding Joint Analysis On Three Wheel Transport Ambulance Frame Auliana Diah Wilujeng; Misbakhul Fatah; Ferly Isnomo Abdi; Achmad Hikam Ulul Sufi
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.v14i2.3991

Abstract

Three-wheels ambulance transport is crucial for the mandangin island community, sampang subdistrict, sampang regency. The construction of a three-wheel ambulance utilizes the frame of a typical three-wheeled vehicle. However, according to technical guidelines for ambulance vehicles, the required length exceeds that of the standard three-wheel vehicle. Therefore, the frame of the three-wheel vehicle is extended using additional materials to increase the vehicle's length. The frame extension method employed is welding. Two welding path variations are used: straight and zig-zag. Testing was conducted using SolidWorks simulation and validated through bending tests. The simulation results indicated a stress value of 248 MPa for both variations. Meanwhile, the validation tests produced stress values of 66.99 MPa for the straight weld path and 69.42 MPa for the zig-zag weld path. This demonstrates a significant difference in stress between the simulation and validation results, attributed to residual stresses and distortion changes after welding. Additionally, the variation in welding paths (which may affect weld length) did not yield significant differences in outcomes
Pengaruh Variasi Arus Pengelasan Gas Metal Arc Welding (GWAM) Terhadap Sifat Mekanis Pada Sifat Seamless Gracia Irene Huka; Leslie. S. Loppies; Josef Matheus; Auliana Diah Wilujeng; Abdul Hamid
Journal Mechanical Engineering Vol. 1 No. 3 (2023): DESEMBER
Publisher : Department of Mechanical Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31959/jme.v1i3.2116

Abstract

GMAW welding is a metal joining process with a melting process with the addition of a coil of wire in the form of electrodes and protective gas. Seamlees pipe, also known as seamless pipe, is an iron pipe without a connection. This study aims to produce data from the results of bending and impact testing on seamlees pipes by varying the welding current with a current of 21.5 volts, 22.5 volts, and 23.5 volts in GMAW welding. After the seamless pipe is welded, impact and bending tests are carried out on the seamlees pipe. From the bending/bending strength test, the highest flexural strength occurred at a current of 21.5 and 22.5 volts, while the lowest flexural strength occurred at a current of 23.5 volts. From the impact test, the highest strength occurred at 21.5 and 22.5 volts and the lowest was at 23.5 volts.  Keywords: Seamlees pipe, GMAW welder, Bending Strength, Impact Strength.  
Co-Authors Abdan Syakura Abdul Hamid Abdul Hamid Achmad Hikam Ulul Sufi Ahmad Mustofa Amin Jakfar, S.T.,M.T., Lukman Hadiwijaya, S.T.,M.T. Annafiyah Annafiyah Budi Baharudin Chatarina Umbul Wahyuni Dewi, Ratna Ayu Pawestri Kusuma Dimas Aryo Wicaksono Dyah Riandadari Eddy Harsono Faizatur Rohmah Fatah, Misbakhul Febriana, Ike Dayi Ferly Isnomo Abdi Fikri, Mohammad Anas Ganda, Andita Nataria Fitri Ghopal Ahmad Fachrudin Gracia Irene Huka Graciadiana. I. Huka Hadiwijaya, Lukman Ida Ayu Putu Sri Widnyani Ike Dayi Febriana Jakfar, Amin Josef Matheus Josef Matheus Laily Ulfiyah Loppies, Leslie S Lukman Hadiwijaya Misbakhul Fatah Mohammad Anas Fikri Muhammad Helmi Taqiuddin Muhammad Ridwan Nadiyah Ulfah Rahman Hakim Rahman Hakim Rahmat Hidayat Rahmawati, Zeni Ratna Ayu Dewi ROHMAH, FAIZATUR Sayyid Hasan Septian Dwi Wijaya Sufi, Achmad Hikam Ulul Suwanto, Eko Syafa, Muhammad Badrus Tri Esti Purbaningtias Ulfah, Nadiyah Ulfiyah, Laily Wijaya, Septian Dwi Windra Iswidodo