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All Journal Jurnal Ilmiah Teknologi dan Rekayasa Journal of Integrated and Advanced Engineering (JIAE)
Nursalam, Rachmat
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Ergonomic Assessment and Relationship between Workload and Fatigue in Kitting Section Operators Nidhar, Ainun; Auberta, Genia; Nursalam, Rachmat; Matahelumual, Marselino; Sjahrul Annas, Muhammad
Journal of Integrated and Advanced Engineering (JIAE) Vol 4, No 2 (2024)
Publisher : Akademisi dan Saintis Indonesia (ASASI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51662/jiae.v4i2.163

Abstract

In the manufacturing industry, specifically in automotive sector, musculoskeletal disorders (MSDs) account for 11.4% of all workplace injuries. This is primarily due to the high demand for increased production capacity. The process of assembling automotive parts involves manually organizing materials before they are sent to the assembly line. The handling of large material loads and repetitive movements during this kitting process can significantly increase the risk of MSDs. A study was conducted to examine the ergonomic risks associated with the kitting process in a manufacturing environment. The study utilized the Rapid Entire Body Assessment (REBA) method to evaluate kitting operators for potential musculoskeletal disorders (MSDs) related to lifting, carrying, and placing materials during the kitting process. Additionally, kitting operators completed the Nordic Body Map (NBM) questionnaire for self-assessment. According to the REBA results, lifting activities (11 points) posed the highest risk, followed by placing materials (7 points) and carrying materials (4 points). The NBM responses indicated complaints of pain in the hands, shoulders, and back, with NBM scores of 36 and 48 points, signifying a low risk. Immediate action is necessary to reduce MSD complaints among packaging operators based on hazard control analysis. Recommendations have been made for ergonomic interventions, including improving work postures, regulating loads through ergonomic training, utilizing assistive devices, and making workspace adjustments to minimize the risk of MSDs. By implementing appropriate interventions and preventive measures, the risk of MSDs among kitting operators can be reduced, while improving work safety, comfort, and maintaining productivity and process efficiency
PENINGKATAN EFISIENSI MANUFAKTUR RING INJECT CAVITY MOULD DENGAN PENGGUNAAN FIXTURE PADA MESIN CNC MILLING DI PT. BIL Hartman, Bemly; Izzat, Albait Malikul; Nursalam, Rachmat; Heryana, Ghany
Jurnal Ilmiah Teknologi dan Rekayasa Vol 29, No 3 (2024)
Publisher : Universitas Gunadarma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35760/tr.2024.v29i3.11211

Abstract

Ring inject cavity mould is a crucial component in the injection stretch blow process used in plastic bottle manufacturing machines. This process involves five main steps: injection, conditioning, stretching, blowing, and ejecting. However, damage to the ring inject cavity mould is a common occurrence, necessitating periodic component replacement. The objective of this research is to identify a more efficient production method for manufacturing ring inject cavity moulds at PT BIL. Currently, the manufacturing process is carried out using a conventional lathe, which requires 64 hours to produce 16 pieces in a single work order. This research aims to evaluate the effectiveness of using a CNC (Computer Numerical Control) milling machine as a more efficient alternative. The methodology employed involves comparing the production time between the conventional lathe and CNC milling, as well as implementing a fixture as an auxiliary tool in the CNC milling process. The data collected includes production time and product quality. The research results indicate that the use of CNC Milling significantly reduces production time to only 24 hours for 16 rings in a single work order, compared to the 64 hours required by the conventional lathe. Additionally, the quality of the products produced also meets the expected standards. The conclusion of this research is that the transition from a conventional lathe to CNC milling with the use of a fixture can improve the production efficiency of ring inject cavity moulds at PT BIL, with faster production time and maintained quality.
Co-Authors Ainun Nidhar, Ainun Auberta, Genia Ghany Heryana Hartman, Bemly Izzat, Albait Malikul Matahelumual, Marselino Sjahrul Annas, Muhammad