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Journal : Teknomekanik

Lean six sigma methodology for waste reduction in ship production Priyanda, Eko; Sutanto, Agus
Teknomekanik Vol. 6 No. 1 (2023): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (613.103 KB) | DOI: 10.24036/teknomekanik.v6i1.24172

Abstract

This study was conducted to reduce the amount of waste in ship production and assembly processes at PT ES. Several wastes during the ship production process result in the actual ship completion time being longer than the planning time set by the process planner. Therefore, accurate analysis is required to reduce waste. In this way, contributing factors can be identified, and more effective solutions can be obtained to reduce waste. This is done by implementing the Lean Six Sigma method (DMAIC processes) and several tools and methods, such as Pareto and fishbone diagrams and the FMEA method. The results show that the most critical potential root cause affecting production delays comes from the potential causes with the highest Risk Priority Number (RPN) value. The causes are welders who do not understand the WPS (RPN 432), unstable welding transformers (RPN 432), and unproductive loader movements (RPN 384). The recapitulation of welding defects produced in the production process at a sigma level of 2.48. Recommendations for the three potential critical wastes were made and planned for implementation. The estimated average RPN impairment for the three critical root causes was 32.3%. This condition will impact the total ship production time, which is 6% shorter (equivalent to 14 days) than the previous production time with a new sigma level of 2.55.
Co-Authors ., Achyani abrori, zaini Achyani Achyani, Achyani Ade Gunawan Adisyahputra Agus Sujarwanta, Agus Alam, Tago Alqifti, Tessa Aminin, Sudirman Amiyati, Seprida Anak Agung Oka Andi Kurniawan Anjarwati, Sulis Aprilia, Anggi Arbasari, Maya Asih Fitriana Dewi, Asih Fitriana Beny Saputra Berry Yuliandra Budi Prasetyo cahyati, novia Dacholfany, Ihsan Deni Kurnia Dindy Darmawati Putri Eka Setyaningsih Eppinga, Reinilde Fakhrurroja, Hanif Faza Rifàti, Eva Ferdy Sopran Wamala Handoko Santoso Harjoko, Harjoko Hening Widowati Hernowo Hernowo Hikmah, Luluil Islami, Fadli Kartiko, Yerry Kasmur, Roslinawati Khairunisa, Afiqah Khoirudin, M. Khoriudin, M Leli Triana M. Ihsan Dacholfany Maharani, Adinda Purnama Mahfudin, Sidik mahmud, zenni Marzuki Noor, Marzuki Mia Cholvistaria, Mia Mufahroyin, Mufahroyin Muhfahroyin Muhfahroyin Muhfahroyin Muslihat, Muslihat Nedi Hendri, Nedi Nilda Tri Putri Ningsih, Riyanti Nita, Wahyu Dian Nurlaifa, Nadiah Putri Oktavianti, Sinta Pipi Puspita Sari Prasojo, Hendris Prayitno, Dwi Priyanda, Eko Purdiyanto, Aris Puspa, Elvina Maya Putri Aisyah, Putri Rahmawati, Nala Rasuane Noor Reni Indrayanti Riany Aulia Shabila Rika Ampuh Hadiguna Rini Safitri Rista, Paulina Eva Riswanto ., Riswanto riswanto riswanto Riyanto Riyanto Rizal Koen Asharo Rohimatusafiah, Yahya Rohmatul Anwar rosidha, nety Sahrin, Alfin Saputro, Beny Sari, Novia Ambar Satriadi, Bekti Septiana, Nani Setyawan, Angga SHIHAB, M RIZKI Sholihah, Anisa Subardi, Subardi Bardi Sudirman AM Suharno Zen Sunardi Sunardi Suprayitno Suprayitno Supriyanto Supriyanto Susiwati, Tri Suyono Suyono Syaferi, Akhmad Teguh Santoso Tri Adi Wibowo, Tri Adi Tut Wuri Handayani, Tut Wuri Utami, Erna Vironica, Elysa Wahidah, Nina Ikhwati Wibowo, Nanang Roni Widowati, *Hening Widya Sartika Sulistiani, Widya Sartika Willy Pratama, Willy Wimbawarni, Wiwik Wulandari, Nadia Fitria Yuriana, Lely Yusof, Sha'ri Mohd