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All Journal Jurnal Teknik Mesin Indonesia ADI Journal on Recent Innovation (AJRI)
Wiguna, Gun Gun
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Religion Aerospace Engineering Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Education Industrial & Manufacturing Engineering Mechanical Engineering

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Rancang bangun alat cutting wire dengan kontrol CNC untuk meningkatkan tingkat presisi dan efisiensi bahan baku menggunakan software max 3 Widiyanto, Sigit; Saputra, Alfian Ady; Wiguna, Gun Gun; Prayitno, Pungkas
Jurnal Teknik Mesin Indonesia Vol. 19 No. 1 (2024): Jurnal Teknik Mesin Indonesia
Publisher : Badan Kerja Sama Teknik Mesin Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36289/jtmi.v19i1.420

Abstract

The CNC machine is a development of a conventional machine tool, in which control changes from manual to automatic, by following a program that has been made. There are many types of tools for cutting wire, and some even still use simple tools and operate manually. What will be discussed in this study is a method with several stages including finding the cutting force, material diameter, pneumatic cylinder diameter to be used, required motor power, tension in the frame and welding joints. In this design, the material to be processed is copper wire with a tensile strength of 200 N⁄mm2, the cutting force to be used is 402 N, with a pneumatic cylinder diameter of 44 mm (used is 50 mm size), the motor power used is 0.039 kW or 39 W (the power of the motor is 48 W), the shaft to be used is 6.3 mm in diameter, the connection to be used is in the form of a threaded thread with type M4 said to be safe because Sf on the thread is 6 (< 11.17), the frame material to be used is SS400 iron, it is said to be safe because on the pillar frame (1) is 0.047 N)⁄mm2 (< 39.2 N⁄mm2), and for the sectional frame (2) is 0.774 N⁄mm2 (< 40.18 N⁄mm2), the connection using welding is said to be safe because in the frame (1) is 6.96 N⁄mm2 (< 91.63 N⁄mm2), and in frame welding (2) is 0.0469 N⁄mm2 (< 91.63 N⁄mm2).
SAST & AHP in Determining The Best Strategy of Office Ergonomics Program Improvement to Prevent Risk of Musculoskeletal Disorders At XYZ Company Qatar Wiguna, Gun Gun; Darkun, Kholil; Sulistyadi, Kohar
ADI Journal on Recent Innovation Vol. 2 No. 1 (2020): September
Publisher : ADI Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34306/ajri.v2i1.28

Abstract

Ergonomics Program has been recommended by many studies as one of the main guidelines in equipping employees at work to prevent injuries and health problems. One of the main benefits gained from implementing the Ergonomics Program is that it reduces the risk of injury by adapting work that suit to human, not forcing human to adapt to work. Offices that are designed using ergonomic principles can improve performance and reduce workplace injuries such as musculoskeletal disorders (MSDs). This study aims to obtain strategies of Office Ergonomics Program Improvement to prevent risk of musculoskeletal disorders (MSDs) cases in XYZ Company Qatar. The research approach was conducted through qualitative descriptive using expert based approach (System of System Methodology - SoSM). The study began by analyzing data on MSDs cases and sick leave related to MSDs. The results of analysis are taken into consideration when collecting assumptions for office ergonomics program improvement and its level of importance and certainty. The method used is Strategic Assumption Surfacing and Testing (SAST). Prioritizing of strategic assumptions are determined using Analytic Hierarchy Process (AHP) method. The data obtained were analyzed using Software Expert Choice 11. The results of analysis showed that Policy and procedure had the greatest value with 0.256, while the work station was 0.219, health check-up 0.059, awareness program 0.087, regular exercise 0.202, training 0.088 and supervision / monitoring 0.089.
Co-Authors Darkun, Kholil Kohar Sulistyadi Prayitno, Pungkas Saputra, Alfian Ady Widiyanto, Sigit