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All Journal Elektron Jurnal Ilmiah SENTIA 2015 Journal of Renewable Energy and Mechanics Jurnal Vokasi J-Innovation Bulletin of Engineering Science, Technology and Industry
Rouhillah Rouhillah
Politeknik Aceh
Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences

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Design & Development of a Screw Conveyor-Based Soybean Washing Machine for Tempeh Production Fachri, Zoel; Rouhillah; Alwathani, Muharrir
Journal of Renewable Energy and Mechanics Vol. 6 No. 01 (2023): REM VOL 6 NO 01 2023
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/rem.2023.12053

Abstract

Soybeans are one of the main ingredients for making tempeh. Most of the tempeh production businesses still use the traditional system of washing soybeans. Washing soybeans is still done manually using a washing drum filled with water and stirred by hand, thus draining the workforce. In the process of washing soybeans, there is still direct contact with parts of the human body, resulting in unhygienic soybeans. From these problems, the solution is to make a machine that can wash soybeans in tempeh production which aims to facilitate washing soybeans and produce clean and hygienic soybeans. The soybean washing machine process uses a screw conveyor system with an AC motor 1 phase 1 HP 1420 Rpm as a driving force and a DC 12 V 25 W water pump to drain water into the watering canal. The machine can wash 5 kg of soybeans for 10 seconds, and produces a motor rotation of 271.2 Rpm, voltage 229 V, current 2.58 A to produce clean and hygienic soybeans.
Development and Performance Evaluation of a GRBL-Based CNC Router for Non-Metallic Material Engraving Rouhillah; Inzar Salfikar; M. Rifaldi
J-Innovation Vol. 15 No. 1 (2026): Jurnal J-Innovation
Publisher : Politeknik Aceh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55600/jipa.v15i1.389

Abstract

This study aims to design, develop, and evaluate the performance of a GRBL-based Computer Numerical Control (CNC) router for contour engraving on non-metallic materials, such as acrylic and wood. The research methodology consisted of mechanical system design, component fabrication through milling and drilling processes, mechanical and electronic assembly, GRBL firmware integration, and machine accuracy testing. Standard commercially available components were utilized to simplify the manufacturing and maintenance processes. Performance evaluation was conducted by comparing the machined dimensions with the programmed design generated using G-code. The experimental results demonstrated that the developed CNC router was capable of producing contour engravings consistent with the intended along the X-, Y-, and Z-axes. These findings indicate that the proposed system provides satisfactory accuracy for light machining and engraving applications on non-metallic materials. Therefore, the developed CNC router offers a cost-effective and reliable solution for educational activities, research, and prototype manufacturing in laboratory environments.
Peningkatan Keterampilan Vokasional Melalui Pelatihan Pengelasan Fabrikasi Meja dan Kursi Bagi Siswa SMK Negeri 2 Banda Aceh Rachmad Ikhsan; Zulfadli Zulfadli; Rizki Faulianur; Zoel Fachri; Inzar Salfikar; Rouhillah Rouhillah; Zakwansyah Zakwansyah; Mahmud Mahmud
Jurnal Vokasi Vol 10, No 2 (2026): Juli
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/vokasi.v10i2.10011

Abstract

Keterampilan praktik pengelasan merupakan salah satu kompetensi penting bagi siswa Sekolah Menengah Kejuruan (SMK) sebagai bekal memasuki dunia kerja, khususnya pada bidang manufaktur dan konstruksi. Kegiatan Pengabdian kepada Masyarakat (PkM) ini bertujuan meningkatkan keterampilan vokasional siswa SMK Negeri 2 Banda Aceh melalui pelatihan pengelasan dan fabrikasi meja serta kursi berbahan besi hollow. Kegiatan dilaksanakan selama dua hari, pada tanggal 25 s/d 26 Juni 2026, dengan melibatkan sekitar 20 siswa. Metode pelaksanaan meliputi pemberian materi dasar pengelasan, prosedur penggunaan peralatan, penerapan Keselamatan dan Kesehatan Kerja (K3), diskusi, demonstrasi, serta praktik langsung secara berkelompok. Tahapan praktik mencakup membaca gambar kerja, mengukur dan menandai material, pemotongan, perakitan, pengelasan, penggerindaan, finishing, serta pemeriksaan kualitas produk. Hasil kegiatan menunjukkan bahwa seluruh kelompok mampu menyelesaikan rangka meja dan kursi sesuai gambar kerja dengan konstruksi yang kokoh dan dimensi yang sesuai rancangan. Penilaian berdasarkan ketepatan ukuran, kualitas pengelasan, finishing, penerapan K3, dan kerja sama tim menghasilkan nilai akhir antara 88,6 s/d 95,4 dengan kategori sangat baik. Kegiatan ini memberikan pengalaman praktik secara nyata serta memperkuat keterampilan teknis, kedisiplinan, kerja sama, dan penerapan K3 bagi peserta
Co-Authors Ahmad Furgan Alwathani, Muharrir Andrian Maulana Bariq Fajar Musaid Budi Amri Effendi Effendi Fajri Aqsalmi Fira Fazila Furqan Farih Hafis Husna Herri Darsan Ichan, Maulidi Ilham Hasbiullah Javid Hamar Kurniawati M. Rifaldi Mahmud Muhammad Agil Haikal Muhammad Rivai Muharrir Alwathani Rachmad Ikhsan Rizki Faulianur Rizki Mumtazi Salfikar, Inzar Tri Arief Sardjono Zaki Akbar Zakwansyah Zoel Fachri Zulfadli