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All Journal Traksi : Majalah Ilmiah Teknik Mesin SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin LONTAR Jurnal Teknik Mesin Undana (LJTMU ) Jurnal METTEK (Jurnal Ilmiah Nasional Dalam Bidang Ilmu Teknik Mesin) SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Barometer INFOMATEK: Jurnal Informatika, Manajemen dan Teknologi Quantum Teknika JURNAL POLI-TEKNOLOGI Tedc Journal of Mechanical and Manufacture
Aa Santosa
Fakultas Teknik – Universitas Singaperbangsa Karawang
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ANALISA TEGANGAN PADA STRUKTUR TRUSS DENGAN MENGGUNAKAN SOFTWARE INVENTOR Roni Panji; Iwan Nugraha; Aa Santosa
Jurnal TEDC Vol 16 No 3 (2022): JURNAL TEDC
Publisher : UPPM Politeknik TEDC Bandung

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

Abstract

Truss Merupakan suatu bentuk struktur yang sangat komplek karena mempunyai batang-batang dengan arah gaya yang berbeda-beda. Telah dilakukan suatu penelitian terhadap Truss dengan berat beban sebesar 36 Ton, dari hasil perhitungan secara manual didapatkan beberapa nilai seperti batang yang digunakan ada 7 buah batang dimana batang 1 mengalami beban tarik, batang 2 mengalami beban tekan, batang 3 mengalami beban tarik, batang 4 mengalami beban tekan, batang 5 mengalami beban tekan, batang 6 mengalami beban tarik dan batang 7 mengalami beban tekan [1] Material yang digunakan untuk analisa struktur ini adalah A36 yang mempunyai sefat mekanik Tegangan Putus minimun 370 Mpa, Tegangan leleh minimum 240 Mps dan regangan 20 %. Dari hasil simulasi yang dilakukan menggunakan software Inventor menghasilkan beberapa hasil seperti : Displecement yang terjadi akibat gaya sebesar 36 Ton adalah 0,29 in, tegangan normal yang terjadi maksimal sebesar 10,18 Ksi, Momen yang terjadi akibat gaya sebesar 3,164e-06 lbforce in, sangat kecil sekali berari struktur trus ini mempunyai kekakuan yang baik [2].
Pengaruh Temperatur Pemanasan pada Proses Penempaan Pembuatan Katup Gas Shelo Sujendro; Ratna Dewi Anjani; Aa Santosa
Quantum Teknika : Jurnal Teknik Mesin Terapan Vol 5, No 1 (2023): October
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jqt.v5i1.19113

Abstract

Manufacturing of valves generally uses brass alloy materials and is carried out using a forging process. In this research, the aim is to determine the effect of variations in heating temperature in the valve manufacturing process on the hardness value, microstructure, and shape changes that occur. This research method uses this research method, using an experimental method with temperature variations tested of (300˚, 400˚, and 500 ˚Celsius) with an unchanged compressive force and brass raw material with specifications Cu = 57%. Results of observations that occurred namely Hardness Testing, the lower the heating temperature, the higher the resulting hardness value, which is 69 HRb, 66 HRb, and 59 HRb. When the shape changes, the higher the temperature, the more flash you get, and the lighter the forging force on the forging tool. In the microstructure, as a result of temperature differences, each grain structure characteristic will be different, increasing temperature and forging pressure will change the grain structure.
Analisa Pengaruh Bentuk Sudut Pada Baja Castellated Dengan Menggunakan Metode Finite Element Aa Santosa
Jurnal Poli-Teknologi Vol. 19 No. 2 (2020)
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/pt.v19i2.2805

Abstract

This study examines Kastella beams with cantilever structures using a non-prismatic profile to optimize the steel cross section in resisting external loads. In this study IWF 2500×250×20 steel profile was used. Analysis using finite element with 360 computer fusion program which is a product of Autodesk, as a calculation program to determine the value of the voltage and displacement that occurs in the beam. The process of making castella steel is by perforating the steel profile I into a hexagon with an angle that varies from 45º to 70º, or by cutting the steel profile and then reassembling it by welding it. The research was carried out using 45o and 60o tilt angles, it aims to determine the maximum tilt angle in terms of strength that can withstand loads, both stress and displacement. The simulation process is carried out using a 2000 N load, using A36 material. Based on the research results obtained parameters in the form of stress and displacement. The stresses on castella steel with a slope angle of 45o and 60o are 0.70 Mpa and 0.71 Mpa, respectively. The displacement of the castella steel with a tilt angle of 45o and 60o is 0.002 mm and 0.019 mm, respectively. The results showed that the castella beam with smaller hole angular dimension variations resulted in lower stress values in the structure and the remaining cutting in the optimal test specimen, but produced a large displacement value.
Co-Authors Aceng Hilman Muhammad Mazid Aceng aldi sulaeman Andi Angga Restu Pahlawan Aripin Aripin Aswatul Sahrul Dhimas Aditia Eri Widianto Eri Widianto fahri rizki Farradina Choria Suci Ferry Restianto Iman Dirja Iwan Nugraha Iwan Nugraha Jojo Sumarjo Kardiman Kardiman - Marno, Marno Maulana Candra Muhkti Mohamad Indrawan Muhamad Jimi Muhammad Imron Permana Naubnome, Viktor Naufal Yosi Laksana Nolih Oleh Oleh Ramlah Ratna Dewi Anjani Rizal Hanifi Roni Panji Shelo Sujendro Viktor Noubnome