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Penerapan Lean Manufacturing dengan Metode Value Stream Mapping dalam Upaya Meminimalkan Waste Sefrian Akhmad Farizi; Atikha Sidhi Cahyana
Jurnal SENOPATI : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Vol 8, No 1 (2026): Jurnal SENOPATI Vol 8, No 1
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.senopati.2026.v8i1.9164

Abstract

Small and medium-sized enterprises (SMEs) producing machine components may experience production waste when defective products cannot be recycled; in the observed SME, the defect rate reached 5.31%. This study aimed to identify dominant waste, determine its root causes, and formulate improvement proposals for the turning production process. Data were collected through interviews, direct observation of the production flow, and historical production records, then analyzed using Value Stream Mapping (VSM) to compare current and future states and 5 Why’s analysis to trace root causes. The results identified waiting (19%), motion (10%), overprocessing (9%), and defects (6%) as the main wastes. The initial lead time was 9,605.13 seconds (2.67 hours/unit), while the proposed future state reduced it to 6,780.18 seconds (1.88 hours/unit). The root causes included the absence of preparation SOPs, poorly positioned machine parts, insufficient process standards, and limited operator training. The study concludes that targeted standardization, workplace arrangement, and operator development can reduce non-value-added time and support a more efficient turning production flow.Keywords: SMEs, Lean Manufacturing, Value Stream Mapping, 5 Why’s, Waste
Co-Authors Achmad Danny Firmansyah Achmad Fadli Islaha Achmad Ganni Rizaldi Afifah, Sofie Amalia Aldi Bayu Pamungkas Alfian Dwi Budianto Alwi, Mohammad Kharis Andre Setiawan Anshori, Muhammad Hizam Aris Susanto Ata Barbara Boy Isma Putra Burhanudin, Asrul Chusnah, Asma’ul Damaindra, Mochammad Deddy Supriyadi Dewi Fortuna Kusuma Dimas Dwi Saputra Dyah Atia Mayang Fa’una Emy Rosnawati Fachrudin, Moch Fais Fahmi Amirulloh Fajar Mochammad Ichwan Fernata, Farhan Firdaus, Muhammad Zaqqi Zamroni Hakim, Muchammad Lukman Hana Catur Wahyuni Hendri Setiawan Herokholiqi, Mochammad Edo Hidayat, Abdul Rakhmad Hidayatulloh, Riqi Iis Sugiarti Indramawan Hadi Kuswoyo Inggit Marodiah Inggit Marodiyah Inggrit Ananda Rahmadita Intan Rohma Nurmalasari Ita purnamasari Iwan Kurniawan Juli Guritno Kusuma , Dewi Fortuna Kuswoyo, Indramawan Hadi Lilik Indayani Lindyawati, Lely M. Chusnul Chuluq Maulana Akbar Abdilah Mauli, Fajar Dwi Moch Imam Andreansyah Moch Rio Firmansyah Moch Rio Firmansyah Moch. Syayidi Sofyan Mochammad Damaindra Mochammad Edo Herokholiqi Mochammad Tanzil Multazam Moh. Faris Hernanda Muhammad Andriyanto Mukhammad Hasan Bisri Nabila Tsaniatu Yulia Nadia Khoiria Fernanda Nasoik, M. Kholisun Natadiharja, Sebastian Arya Nur Ravita Hanun Prasetyo, Mochammad Dandi Pratama, Muchammad Ikbal Prediansyah, Mochamad Afan Wahyu Priyo Sambodo purnamasari, Ita Qur’ani Nurvita Rahmah, Eva Zulfiatur Rahmayanti, Vivia Nailur Rais, Sofyan Alim Rangga, Moch Devan Ribangun Bamban Jakaria Riqi Hidayatulloh Romadhon, Ilham Fatwa Ryan Ardiansyah Salma Rizky Awalya Sari W, Indah Apriliana Satria Yoga Anandya Sefrian Akhmad Farizi Setiabudi, Edo Setiono, Moch. Agung Sofyan, Moch. Syayidi Sukmana, Tedjo Sumartik Syaro , M Fandi Tedjo Sukmono Vidiasari, Mike Wiwik Sulistiyowati Wiwik Widhianingsih Wulandari, Indah Apriliana Sari Yannu Prasetyo