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All Journal Manutech : Jurnal Teknologi Manufaktur Jurnal Teknik Mesin
Harsono, Abimanyu
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Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Pengaruh Pembentukan Alur Trapesium Pada Pelat Galvanil dengan Proses Bead Roller Terhadap Frekuensi Alami Pada Kondisi Batas Jepit – Jepit Harsono, Abimanyu; Adipura, Anandri Indra; Erwanto, Erwanto
Jurnal Teknik Mesin Vol 17 No 2 (2024): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.17.2.1589

Abstract

Galvanized steel sheet is a low carbon steel that is often used in the manufacturing industry, especially in the automotive industry, this is because galvanized sheet has properties that are ductile, easy to form and resistant to corrosion, making it suitable for application as a vehicle body, but low carbon steel sheet has limitations on the level of stiffness of the sheet so that it will affect comfort due to vibration when applied to vehicle construction. The stiffness of the sheet can be increased by forming a groove profile through the rolling process and increasing the thickness of the sheet so that its stiffness and natural frequency value will increase. The purpose of this study is to determine the effect of trapezoidal groove formation on the natural frequency of galvanized sheet by the rolling process using a bead rolling die with variations in groove width, groove depth and sheet thickness. The research method used is the experimental method, starting with the determination of the plate dimensions, the determination of the groove width and depth, the process of making groove profiles, the measurement and analysis of the results of the natural frequency values and plate stiffness. The dimensions of the test plates were 575 mm x 600 mm with thicknesses of 0.6 mm and 0.8 mm. The results showed that the increase in natural frequency and stiffness was affected by residual stress and plate thickness. The highest frequency obtained was 330.60 Hz on a plate with a groove width of 12 mm and a groove depth of 5 mm with a thickness of 0.8 mm, this result has increased compared to a smooth plate which is only 30.76 Hz.
Analisa Kekakuan Pelat Galvanil Ketebalan 0,6 mm Terhadap Pembentukan Bead Roll dengan Variasi Ukuran dan Bentuk Trapesium Harsono, Abimanyu; Erwanto, Erwanto; Ariyanto, Ariyanto
Manutech : Jurnal Teknologi Manufaktur Vol. 16 No. 02 (2024): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v16i02.424

Abstract

Thin plates are a common material used in the automotive industry for vehicle panels. Galvanized metal materials are typically selected for use in vehicle panel construction due to their ductile nature, malleability, and resistance to corrosion. The function of vehicle panels is of great consequence with regard to the safety and comfort of the vehicle. The level of comfort experienced by vehicle occupants is influenced by noise, which is a consequence of vibrations generated by the engine and the road surface. The detrimental effects of excessive vibration can be mitigated by enhancing the rigidity of the panel. One method of achieving this is through the formation of a groove profile on the panel's surface, utilizing a bead roll process. The objective of this study is to ascertain the impact of variations in the width and depth of the groove, with a trapezoidal shape, on the stiffness of 0.6 mm thick galvanized plates for natural frequency response. The research method entailed the creation of an experimental design, the formation of a groove profile through the bead roll process, and the subsequent natural frequency testing of the plates using a Vibroport 80. The results of this testing were then subjected to analysis. The findings indicated that the variation in groove width and depth had no discernible impact on the plate stiffness with respect to the natural frequency response.
Co-Authors Adipura, Anandri Indra Ariyanto Ariyanto Erwanto