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All Journal J@TI (TEKNIK INDUSTRI) Jurnal Kalibrasi Jurnal Teknik Industri Terintegrasi (JUTIN) International Journal of Business, Economics, and Social Development Jurnal Kalibrasi
Dewi Rahmawati
Institut Teknologi Garut
Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences

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Perancangan Alat Bantu Ergonomis Pada Proses Produksi Agar-Agar Yusuf Mauluddin; Dewi Rahmawati; Ichsan Faturachman
Jurnal Kalibrasi Vol 21 No 2 (2023): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.21-2.1394

Abstract

Poor working posture can cause a number of problems in the workplace which can result in accidental losses for employees. One of the consequences that can arise from these activities is musculoskeletal complaints. The aim of this research is to determine the body positions used when working in the jelly making process which can cause injuries based on complaints from production operators. The research data used is the mix method and NBM questionnaire method, RULA and REBA methods to identify musculoskeletal complaints among operators to ascertain the level of body posture hazards and the EFD method to design ergonomic assistive devices. The results of the research obtained from the NBM questionnaire from 9 operators revealed that the most common complaint was pain in the left forearm, which was 11% of all complaints and 67% of them were very painful. The REBA method for mixing raw materials gets a level-2 action rating, while RULA for packaging activities gets a level-3 action rating. The highest level of activity in the packaging area is the basis for creating ergonomic tools.
Analisis Optimalisasi Waktu Proses Kerja pada Divisi Welding Menggunakan Metode Jalur Kritis Mayrosa, Indila; Kusuma, Harun Indra; Rahmawati, Dewi; Rizki, Yulizan
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 9 No. 1 (2026): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v9i1.52633

Abstract

This study aims to analyze the optimization of work process time in the welding division using the Critical Path Method (CPM). This method is used to identify the critical path and calculate the slack variable for each production activity. The data used are the sequence of activities, dependency relationships, and production process time in 2024. The analysis process is carried out through the preparation of a network diagram, forward pass and backward pass calculations, and determining the slack value. The results show that the critical path is found in the series of activities A–B–C–D–E–F–G–H with a total duration of 17 minutes. All activities have a slack value of 0, so any delay has the potential to delay the entire process. These findings confirm that the production process in the welding division has been running optimally. The company is advised to maintain the existing work pattern and ensure the appropriate duration of each activity to maintain production efficiency. 
Co-Authors Andri Ikhwana Ariyan Hendriatama Putra Saridi Azmi Akmal Lutfi Catharina Badra Nawangpalupi Dewi Oktavianti Hilmi Aulawi Ichsan Faturachman Kusuma, Harun Indra Mayrosa, Indila Ripki Abdul Aziz Rizki, Yulizan Robiyatul Adawiyah Isni Putri Viona Iswi Nurlestari Yusuf Mauluddin Yusuf Mauluddin