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Perancangan Robot Manipulator 3 (TIGA) Degree Of Freedom (DOF) Pemindah Barang Dengan Variasi Lintasan (Trajectory) Terhadap Waktu Pemindahan Barang Akhmad Wahyudin Sidik; Ikhwan Taufik; Herru Santosa Budiono
Jurnal Mesin Nusantara Vol 9 No 1 (2026): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v9i1.25368

Abstract

Robot manipulator merupakan seperangkat alat mekanik berupa lengan yang diprogram dan didesain melakukan suatu tugas spesifik tertentu. Perancangan robot manipulator 3 DoF yaitu untuk mengetahui kinerja dari robot manipulator terhadap waktu dalam kerjanya dalam memindahkan benda dari satu titik ke titik yang lainnya. Robot manipulator 3 DoF memiliki 3 perputaran di setiap siku dan end efector. Penelitian menggunakan metode eksperimen. Pengujian dilakukan sebanyak 10 kali percobaan untuk mengambil benda dengan massa 25 gram. Variasi penelitian yaitu tiga (3) lintasan (trajectory) pada titik yang ditempuh end effector. Data pengujian yang diambil yaitu waktu robot manipulator saat memindahkan benda. Hasil pengujian waktu  menunjukkan rata-rata waktu tercepat pada trajectory 1 dengan nilai 42.996 s, kedua pada trajectory 2 dengan nilai 44.69 s, dan ketiga pada trajectory 3 dengan nilai 49.758 s. Pada pekerjaan yang membutuhkan waktu cepat, maka dapat menggunakan trajectory 1 sebagai lintasan yang dipakai.
Perancangan Alat Pencuci Ubi Jalar dengan Sistem Rotary Bagus Yustia; Herru Santosa Budiono; Sigit Joko Purnomo
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 3 (2026): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i3.59409

Abstract

Sweet potatoes are an agricultural commodity widely consumed by the community and possess high economic value, particularly in the food processing industry. This study aims to design and analyze a rotary sweet potato washing machine using a static simulation approach to evaluate its structural performance and operational feasibility. The research methodology included design development, material selection, engineering calculations, and numerical simulation using static stress analysis. The calculation results showed that the washing drum has a volume of 141,442 cm³, with a diameter of 48 cm (radius = 24 cm) and a calculated height of 78.2 cm. These dimensions were determined to provide approximately 75% free space for sweet potato movement during the washing process. In addition, the required working water volume was calculated to be 70.7 liters, which is sufficient to ensure effective water circulation for dirt removal without causing overflow. Static simulation through stress testing produced a maximum stress value of 208.584 MPa and a minimum stress value of 0.005 MPa. The maximum displacement was 0.785 mm, while the minimum displacement was 0.000 mm. The calculated Factor of Safety (FOS) was 1.199, indicating that the frame structure is capable of safely withstanding the operational load. The results demonstrate that the proposed rotary washing machine design is structurally safe and suitable for sweet potato washing applications.  
Development of a Portable Laser Engraving System for Small-Scale Manufacturing Applications Herru Santosa Budiono; Sigit Joko Purnomo; Muhammad Naufal Gastiadirrijal; Wawan Setio
Jurnal Konversi Energi dan Manufaktur Vol. 11 No. 1 (2026)
Publisher : Universitas Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/JKEM.11.1.3

Abstract

The portable laser engraving system developed in this study integrates an APM32F103 microcontroller, external flash memory (25Q128JV), and an FSC-BT986 Bluetooth module with an Android-based engraver application. The system is designed to address limitations of bulky and costly commercial engravers by offering a compact, low-cost, and wireless alternative for educational laboratories and small-scale manufacturing. Mechanical and electronic subsystems were designed and fabricated using a knockdown frame structure and 3D-printed components. Performance evaluation included functionality testing, wireless communication stability, motion accuracy, and engraving capability on wood, MDF, acrylic, and synthetic leather. The results show stable Bluetooth communication within an effective range of 8 m, an average motion accuracy error of 0.82%, and engraving depths ranging from 0.28–0.45 mm depending on material and laser parameters. The proposed configuration demonstrates technical advantages in wireless stability, portability, and ease of use compared to conventional wired microcontroller-based laser engravers.
PENERAPAN STANDAR KESELAMATAN DAN KESEHATAN KERJA PADA INDUSTRI PANDE BESI (BLACKSMITH) DI DESA REJOSARI, PAKIS, MAGELANG Sigit Joko Purnomo; Herru Santosa Budiono; Pratama Riyanto; Sukmawang Dwi
MAJU : Indonesian Journal of Community Empowerment Vol. 3 No. 1 (2026): MAJU : Indonesian Journal of Community Empowerment, January 2026
Publisher : Lembaga Pendidikan dan Penelitian Manggala Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62335/maju.v3i1.2187

Abstract

Rejosari Village, Pakis, Magelang is a center for blacksmithing enterprises, where the majority of residents earn their livelihoods in the blacksmith industry, both as employers and workers. The products produced in the blacksmithing process include hoes, sickles, grass sickles, machetes, knives, spoons, forks, plates. The production process is still carried out manually using simple equipment and has not yet implemented good manufacturing practices. There are still potential workplace hazards, and the understanding and application of OSH aspects remain far from disciplined. The potential hazards found as high heat, respiratory problems. These hazards are exacerbated by work behaviors that have not properly applied OSH standards. Through the implementation of community service activities on management and application, an improvement in understanding of OSH standards has been achieved among both employers and workers. Consequently, work quality and productivity will automatically increase in line with compliance with work behavior based on OSH standards.