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All Journal Jurnal Teknik Mesin
Hendra Hendra
Jurusan Teknik Mesin, Universitas Sultan Ageng Tirtayasa
Automotive Engineering Energy Engineering Materials Science & Nanotechnology Mechanical Engineering

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Analisa Tegangan pada Desain Empat Mata Potong untuk Mesin Pencacah Plastik Menggunakan Metode Elemen Hingga Hendra Hendra; Syahril Al Qirom; Sidik Susilo; Kurnia Nugraha; Hernadewita Hernadewita; Frengki Hardian
Jurnal Teknik Mesin Vol 16 No 2 (2023): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.16.2.1245

Abstract

Excessive use of plastic materials eventually causes problems related to the accumulation of plastic waste. One way to deal with plastic waste is to crush it into smaller pieces using a plastic chopper machine. The purpose of this research is to redesign the cutting blade of the crushing machine by varying the thickness of the cutting blade, the number of cutting blades of the crushing machine, and varying the cutting tooth material to get maximum stress and displacement [1-3]. From previous research it was shown that stress and deformation occurred at the number of 2 and three cutting chisel blades [1-2] and the tilt position of 4 cutting chisel blades [3]. In this research uses simulation the finite element method by a solid work design application. The thicknesses variations are 5 mm, 7 mm, and 10 mm and the number of cutting blades amounting four. The number of cutting blades used is four because of the simple design and able to carry out more cutting processes. The materials used are AISI 1045, HSS 18%, and JIS SKD 11. From the results is the recommended material thickness is 10 mm because it is able to accept less stress than 5 mm and 7 mm. The results in terms of the mechanical strength of the simulation state that all are safe to use. If it is based on mechanical strength, the recommended material is AISI 1045 coMPared to 18% HSS STEEL and JIS SKD 11. However, from economic factors, 18% HSS is a recommendation to be chosen as a cutting tooth material.
Analisa Tegangan Maksimum Pada Desain Struktur Mesin Pengering Bekatul dengan Tebal 0.7 mm dan Variasi Material Menggunakan Metode Elemen Hingga Hendra Hendra; Dimas Maulana Putra; Dwinanto Dwinanto; Shofiatul Ula; Dhimas Satria; Mekro Permana Pinem; Mohamad Ana Syabana; Hamdan Akbar Notonegoro
Jurnal Teknik Mesin Vol 17 No 1 (2024): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.17.1.1392

Abstract

Rice bran is one of the parts produced from rice milling, this part contains more than 20% dietary fiber. Rice bran has many useful substances, but its use is hampered by bran itself because it is easily damaged due to hydrolytic and oxidative activity. To overcome this problem, another method is needed so that the Bekatul can last longer. A drying machine is a machine used to reduce the air content in a substance. The aim of this research is to design the structure of a rice bran drying machine with various types of selected materials to obtain stress and cooling values. The method used in this research is finite element simulation. The materials varied in this research were AISI 304, Aluminum alloy 6061 and Galvalume Steel with thickness 0.7 mm. From the test results, it can be stated that all materials are safe to be used as the main material for making structure. However, there is one best material that produces the best maximum stress values and the smallest displacement, namely Galvalume Steel
Co-Authors Dhimas Satria Dimas Maulana Putra Dwinanto Dwinanto Frengki Hardian Hamdan Akbar Notonegoro Hernadewita, Hernadewita Kurnia Nugraha Mekro Permana Pinem Mohamad Ana Syabana Shofiatul Ula Sidik Susilo Syahril Al Qirom