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All Journal Piston: Jurnal Teknologi
Al Ichlas Imran
Jurusan Teknik Mesin, Universitas Halu Oleo
Aerospace Engineering Automotive Engineering Industrial & Manufacturing Engineering Mechanical Engineering Physics

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Analisa Pengaruh Penambahan Unsur Cu (Tembaga) Terhadap Sifat Mekanis Al – Si Melalui Proses Casting Samhuddin; Al Ichlas Imran
Piston: Jurnal Teknologi Vol 6 No 2 (2021): Desember 2021
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v6i2.34

Abstract

The purpose of this study is to determine the effect of the elements copper (Cu) on the mechanical properties of aluminum silicon (Al-Si). The mechanical properties of aluminum are lightweight, low temperature, corrosion resistance, mechanical properties vary (strength, hardness and ductility), good formability, and capable of a good cast. While the mechanical properties of copper are formability, good electrical conductivity, good thermal conductivity, good corrosion resistance, has a density of 8.93 g / cm³, the modulus of elasticity of 115 GPa and liquid temperature 1083 ° C. Materials used were Al-Si and the element copper alloy. The addition of the element copper (Cu) amounting to, 2%, 4%, 6% and 8%. Manufacturing of specimens with sand casting process. Mechanical testing were hardness and impact. In this study get the biggest hardness value alloy Al - Si addressed by the addition of Cu 0% or without alloy of 96.53 Kg / mm2, while the lowest hardness value of alloy Al - Si indicated by the addition of 2% Cu at 63.74 Kg / mm² , The strength values impack alloy Al - Si addressed by the addition of 8% Cu 0.026 J / mm2, while the value of impact strength low alloy Al - Si Cu indicated by the addition of 6% of 0,018 J / mm².
Desain dan Analisis Finite Elemen Rangka Gantry Crane Menggunakan Software Autodesk Inventor Profesional 2024 Al Ichlas Imran; Aminur; I Made Widana
Piston: Jurnal Teknologi Vol 9 No 2 (2024): Desember 2024
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v9i2.62

Abstract

Currently, the gantry crane still uses steel material. The steel is protected using a coating paint to minimize the impact of corrosion. However, this method is inefficient given the high rate of corrosion due to its coastal location. This also causes maintenance issues because repainting must be done regularly and periodically. Additionally, not all equipment has annual maintenance funding. The aim of this study is to design and analyze the stress of a 9-ton capacity gantry crane using Aluminium 6061 material. Finite element analysis was conducted using Autodesk Inventor Professional 2024 software. The results of this study indicate that the gantry crane frame is safe to use because the von Mises stress analysis result of 2,778 MPa is still below the yield strength of Aluminium 6061 material, which is 275 MPa. A safety factor of 2.07 shows that the gantry crane design is very safe to withstand loads up to 9 tons.
RANCANG BANGUN ALAT MESIN PERAJANG SINGKONG MENGGUNAKAN TENAGA PENGGERAK MOTOR LISTRIK Arifin; Maksin; Al Ichlas Imran; Aminur
Piston: Jurnal Teknologi Vol 10 No 2 (2025): Desember 2025
Publisher : Program Pendidikan Vokasi Teknik Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/pistonjt.v10i2.113

Abstract

Pengolahan singkong, seperti pembuatan keripik sangat dipengaruhi oleh ketebalan irisan singkong. Ketebalan irisan yang tidak konsisten dapat menyebabkan variasi dalam kualitas produk akhir, baik dari segi tekstur, rasa, maupun daya simpan. irisan yang terlalu tebal cenderung tidak renyah dan memerlukan waktu penggorengan yang lebih lama, sedangkan irisan yang terlalu tipis dapat menjadi cepat gosong dan kehilangan nilai gizi. Oleh karena itu masih perlu di lakukan pengembangan desain alat perajang singkong. Penelitian ini bertujuan untuk merancang alat perajang singkong menggunakan tiga mata pisau, dan mengetahui sistem kerja alat perajang singkong menggunakan tiga mata pisau. Metode yang digunakan dalam penelitian ini yaitu studi Pustaka, observasi, perancangan alat, desain alat, perancangan alat. Hasil dari penelitian ini yaitu alat perajang singkong menggunakan tiga mata pisau merupakan sebuah inovasi yang memiliki potensi keunggulan dalam proses perajangan singkong, selain itu mesin perajang singkong hasil modifikasi ini menggunakan motor listrik 220 volt sebagai sumber tenaga penggerak. Mesin ini mempunyai sistem transmisi tunggal yang berupa sepasang pulley dengan perantara v-belt. Saat motor listrik dinyalakan, maka putaran motor listrik akan langsung di transmisikan ke pulley 1 yang di pasang seporos dengan motor listrik. Dari pulley 1, putaran akan di transmisikan ke pulley 2 melalui perantara v-belt, kemudian pulley 2 berputar, maka poros yang berhubungan dengan pulley akan berputar sekaligus memutar pisau perajang. Hal tersebut dikarenakan pisau perajang dipasang seporos dengan pulley 2.
Co-Authors Aminur Aminur Arifin I Made Widana Maksin Samhuddin