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All Journal Sebatik Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin
Ignatius Henry Ismadi
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Automotive Engineering Computer Science & IT Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology

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Computational Study Of Static Load on Fem Based Electro-Hydraulic Operating Bed Structure in Solidworks Ignatius Henry Ismadi; Peter Hagios Asa; Doni Raharjo; Benediktus Indra; Yudha Samodra
Teknobiz : Jurnal Ilmiah Program Studi Magister Teknik Mesin Vol. 15 No. 3 (2025): Teknobiz
Publisher : Magister Teknik Mesin Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/mm5td585

Abstract

The electro-hydraulic operating table is a vital component in contemporary surgical systems, responsible for supporting the patient’s body throughout various procedures. Ensuring the structural strength and stability of the bed frame is critical for maintaining patient safety and enhancing procedural success. This study investigates the mechanical performance of key substructures within the bed unit, namely the cranial support structure, dorsal frame, pelvic base, and lower limb support frame. A static structural analysis was conducted using SOLIDWORKS Simulation software, incorporating load distribution data based on a 280 kg patient. Results revealed maximum stress values of 14.888 N/mm² (cranial support), 105.621 N/mm² (dorsal frame), 2.495 N/mm² (pelvic base), and 81.185 N/mm² (lower limb support). All stress values were below the yield strength of aluminum casting (220 N/mm²), indicating structural safety. The findings suggest that the current frame design is mechanically reliable and suitable for clinical deployment under specified load conditions.
Design and Initial Testing of Augmented Reality Learning Media for Manufacturing Engineering Drawing Materials Saputra, Tri Hannanto; Ismadi, Ignatius Henry; Hapsari, Fransiska Karlentina; Nugroho Cahyo Widodo, Petrus Iwan; Prasetyo, Benedictus Alvin; Aditomo, Muhammad Amin
Sebatik Vol. 29 No. 2 (2025): December 2025
Publisher : STMIK Widya Cipta Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46984/sebatik.v29i2.2715

Abstract

The rapid development of the manufacturing industry requires vocational graduates to possess high competence in technical drawing literacy according to the International Organization for Standardization (ISO). However, students often face cognitive barriers in visualizing 2D technical drawing representations into 3D forms, particularly in orthogonal projection and section view materials. This study aims to design and conduct initial testing of an Augmented Reality (AR)-based learning medium developed using the Rapid Application Development (RAD) method. The application is built on the Android platform using Unity 3D marker-based tracking method. This research produced a prototype application capable of projecting 3D models of machine components in real-time on top of printed technical drawing modules. Initial testing was conducted using the Black Box Testing method to validate system functionality. Test results indicate that key features such as marker detection, interactive object rotation, and visualization of hidden lines ran successfully under various lighting conditions. This application offers a potential solution to reduce students' cognitive load in understanding abstract spatial concepts.
Mechanical System Design for a Handling System Demonstrator for Simulating Real Production Environments Ismadi, Ignatius Henry; Saputra, Tri Hannanto; Widyatmoko, Ratmono Hari; Prasetyo, Andi; Wijaya, Dikky Kusuma; Supriyono, Romi; Praba, Alto Gandhang
Sebatik Vol. 29 No. 2 (2025): December 2025
Publisher : STMIK Widya Cipta Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46984/sebatik.v29i2.2719

Abstract

The paradigm shift in manufacturing towards Industry 4.0 requires the availability of vocational education infrastructure that is capable of representing actual production floor conditions. The material handling system is a vital component in the integration of the industrial supply chain, which involves precise synchronization between mechanical design and control systems. However, the educational tools currently available often fail to simulate the complexity of this integration due to designs that are too simple or not industry standard. This study aims to design and realize a mechanical system in a material handling system simulator by adopting the Learning Factory concept. The research was conducted using the Research and Development (R&D) method with the ADDIE approach. The main focus of the research was the design of a modular mechanical structure using aluminum profiles, conveyor transmission mechanisms, and an integrated electro-pneumatic control system. The design results were validated through the realization of physical prototypes and functional testing. The research results show that the developed mechanical design has high rigidity and is capable of simulating the material transportation process with stability. The designed control system successfully integrated inductive and optical sensors and pneumatic actuators with 100% sorting logic accuracy. This simulator provides a realistic platform for students to learn about the interaction between mechanical and control components in a safe but authentic production environment.
Co-Authors Aditomo, Muhammad Amin Andi Prasetyo Benediktus Indra Doni Raharjo Hapsari, Fransiska Karlentina Nugroho Cahyo Widodo, Petrus Iwan Peter Hagios Asa Praba, Alto Gandhang Prasetyo, Benedictus Alvin Supriyono, Romi Tri Hannanto Saputra Widyatmoko, Ratmono Hari Wijaya, Dikky Kusuma Yudha Samodra