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All Journal Conference on Innovation and Application of Science and Technology (CIASTECH) JOURNAL OF SCIENCE AND APPLIED ENGINEERING Journal of Renewable Energy and Mechanics Infotekmesin Prosidia Widya Saintek Sultra Journal of Mechanical Engineering
Arrahim, Muhammad Ghazali
Universitas Sulawesi Tenggara
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Analisis Simulasi Numerik Defleksi Balok Baja ST60 dengan Variasi Pembebanan dan Tumpuan Muhammad Syaiful Fadly; Mustafa; Muhammad Ikram Kido; Muhammad Ghazali Arrahim
Infotekmesin Vol 15 No 2 (2024): Infotekmesin, Juli 2024
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v15i2.2268

Abstract

This research aims to analyze the deflection that occurs through numerical simulation using Ansys Software in static structural modeling on an ST 60 steel square beam. The variables in this study are loads of 10, 15, and 20 N, as well as the types of supports, namely fixed-fixed, fixed-roller, and hinge-roller. The results show that the larger the load, the greater the deflection that occurs. The maximum deflection occurs at a load of 20 N. The fixed-fixed and hinge-roller supports show maximum deflection at a distance of 400 mm, while the fixed-roller support shows maximum deflection at a distance of 450 mm. Among the three types of supports used in this study, the simple support (hinge-roller) results in greater deflection compared to the fixed-fixed and fixed-roller supports. The hinge-roller support results in a deflection of 1.212 mm, the fixed-roller support results in a deflection of 0.541 mm, and the fixed-fixed support results in a deflection of 0.302 mm..
PENATA GUNAAN LAHAN PASCA EKSPLORASI DI PT.SUMBAWA BARAT MINERAL,KABUPATEN SUMBAWA BARAT NTB Wulandari, Miranti Nur; Arrahim, Muhammad Ghazali
Prosidia Widya Saintek Vol. 3 No. 1 (2024)
Publisher : Universitas Widyagama Malang

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Abstract

Tahap eksplorasi dalam proses reklamasi memiliki peran cukup penting dalam memastikan tingkat keberhasilan panatagunaan lahan. PT Sumbawa Barat Mineral merupakan perusahaan dalam bidang pertambangan emas dan mineral ikutanya, berlokasi di desa lamunga, kecamatan taliwang sumbawa barat NTB. Penatagunaan lahan yang dilaksanakan sebagai bentuk pengabdian kepada masyarakat pasca eksplorasi dilakukan guna mengetahui tingkat keberhasilan kegiatan reklamasi apakah sesuai, khususnya pada kegiatan revegetasi pada lahan bekas eksplorasi agar tidak terjadi erosi dan sendimentasi aktif pada lahan. Salah satu upaya yang dilakukan adalah melakukan kegiatan penanaman guna memulihkan ekosistem. Selain itu memilih tanaman endemic lokal dapat membantu mempercepat proses restorasi ekosistem alami. Karena tanaman endemic lebih mudah beradaptasi dengan kondisi lingkungan setempat. Penatagunaan lahan terbilang berhasil karena rencana dan realisasi area luas yang ditata sama yaitu sebesar 0,67401 ha. Namun sistem pengendalian erosi dan sedimentasi masih kurang karena terdapat sedimentasi aktif di lokasi reklamasi.
Pengembangan sistem monitoring suhu 10 channel berbasis mikrokontroler menggunakan Adafruit MAX31856 dan termokopel tipe T Darmaji Darmaji; Rustam Efendi; Herlina Herlina; Muhammad Arrahim; Arjal Tando
Sultra Journal of Mechanical Engineering Vol. 5 No. 1 (2026): Sultra Journal of Mechanical Engineering
Publisher : Program Studi Teknik Mesin, Universitas Sulawesi Tenggara

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Abstract

Sistem monitoring suhu sangat dibutuhkan dalam kegiatan penelitian, khususnya pada fokus konversi energi di Program Studi Teknik Mesin. Salah satu sistem yang banyak digunakan adalah data logger, namun kendala biaya menjadi penghambat utama dalam pengadaannya. Penelitian ini bertujuan untuk merancang bangun sistem data logger suhu 10 channel berbasis mikrokontroler yang menggunakan modul amplifier Adafruit MAX31856. Sistem ini mengintegrasikan sensor termokopel tipe T, modul RTC DS3231, modul SD Card, dan display OLED. Perancangan dilakukan mulai dari pemilihan komponen, perakitan perangkat keras, pemrograman, hingga pengujian fungsional dan kalibrasi. Hasil penelitian ini telah berhasil merancang bangun sistem monitoring suhu menggunakan amplifier Adafruit MAX31856 dan sensor termokopel tipe T dengan basis mikrokontroler. Sistem monitoring suhu hasil rancang bangun dibandingkan dengan kontrol suhu Autonic tipe TX4S-24R juga menunjukkan pengukuran suhu 29℃ dan 30℃ tidak ada perbedaan yang signifikan. Regresi linier yang didapatkan juga mendekati nilai acuan (kontrol suhu Autonic), di mana R² = 0,9974 Keseragaman pengukuran pembacaan antar amplifier juga menunjukkan bahwa sistem monitoring hasil rancang bangun memiliki kemampuan yang mirip dengan data logger komersial.
THE EFFECT OF ANNEALING TEMPERATURE ON THE TENSILE STRENGTH OF POLYLACTIC ACID FILAMENT PRINTED BY 3D PRINTER Wicaksono, Leo Hutri; Muhammad Ghazali Arrahim
Journal of Renewable Energy and Mechanics Vol. 7 No. 01 (2024): REM VOL 7 NO 01 2024
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/rem.2024.15914

Abstract

The development of the industrial world is getting faster from time to time. The manufacturing industry is one of the industries that is very developed, especially in the use of technology. Although there have been some studies on the tensile strength of PLA filaments however, it is not yet clear about the effect of annealing treatment on the tensile strength of PLA filaments from 3D printers. Therefore, this study was conducted to determine the effect of annealing temperature on the tensile strength of polylactic acid material printed by 3D printers. This research uses experimental methods with the following conditions: The filament used is polylactic acid (PLA), specimens are printed to ISO 527-2 standard and the annealing treatment temperature are 50⁰C and 70⁰C. From the results of testing and data analysis that has been carried out, it can be concluded that annealing treatment is quite influential on the tensile strength value of polylactic acid (PLA) materials. The greater the annealing temperature, the higher the tensile strength value. At 50⁰C annealing the average tensile strength value is 15.89 MPa, while at 70⁰C annealing the average tensile strength value is 16.66 MPa.
Co-Authors Afrizal Abdi Musyafiq Arie Restu Wardhani Arief Rizki Fadhillah Arjal Tando Dadang Hermawan Darmaji Darmaji Derry Agwin Prayoga Frida Dwi Anggraeni Gatot Soebiyakto Gatot Soebiyakto Herlina Herlina Leo Hutri Wicaksono Muhammad Ikram Kido Muhammad Ikram Kido Muhammad Syaiful Fadly Mustafa Mustafa Nae, Abidin Kadafu Rustam Efendi Suriansyah Suriansyah Sutrisno Sutrisno Wicaksono, Leo Hutri Wulandari, Miranti Nur