Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)

This study focuses on a rattan-based manufacturing unit producing Base Plant Stand products, where a significant number of defects—2,305 units out of 9,000—were identified, resulting in a current sigma level of 3.14. By employing qualitative and quantitative research approaches, the study aims to id...

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Main Authors: Adinda Nurlaela, Muchammad Fauzi
Format: Article
Language:Indonesian
Published: Universitas Islam Negeri Sultan Syarif Kasim 2025-04-01
Series:Jurnal Teknik Industri: Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
Online Access:https://ejournal.uin-suska.ac.id/index.php/jti/article/view/35323
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author Adinda Nurlaela
Muchammad Fauzi
author_facet Adinda Nurlaela
Muchammad Fauzi
author_sort Adinda Nurlaela
collection DOAJ
description This study focuses on a rattan-based manufacturing unit producing Base Plant Stand products, where a significant number of defects—2,305 units out of 9,000—were identified, resulting in a current sigma level of 3.14. By employing qualitative and quantitative research approaches, the study aims to identify root causes of product defects and propose process improvements to minimize their occurrence. Using the DMAIC framework of Six Sigma, the most frequent defect types were mold (27.9%), imprecision (22.7%), loose tie (20.9%), and pinhole (15.88%). Key contributing factors included excessive humidity, limited production space, insect infestation, and insufficient operator skills. Based on field research and literature, the proposed improvements include covering products with tarpaulins during rainy conditions, expanding work-in-progress (WIP) space, providing operator training, and developing clear standard operating procedures (SOPs). These recommendations aim to enhance product quality and increase the sigma level through systematic, continuous improvement. The findings are a practical reference for similar small-scale manufacturing operations seeking to optimize their production processes through quality management tools. Keywords: Six Sigma, DMAIC, 5W+1H, Product Defects, Rattan
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issn 2460-898X
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language Indonesian
publishDate 2025-04-01
publisher Universitas Islam Negeri Sultan Syarif Kasim
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series Jurnal Teknik Industri: Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
spelling doaj-art-8da8e01d496047a788ddd09b6bcec0c22025-08-20T03:17:39ZindUniversitas Islam Negeri Sultan Syarif KasimJurnal Teknik Industri: Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri2460-898X2714-62352025-04-01111445410.24014/jti.v11i1.3532310448Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)Adinda Nurlaela0Muchammad Fauzi1Widyatama UniversityWidyatama UniversityThis study focuses on a rattan-based manufacturing unit producing Base Plant Stand products, where a significant number of defects—2,305 units out of 9,000—were identified, resulting in a current sigma level of 3.14. By employing qualitative and quantitative research approaches, the study aims to identify root causes of product defects and propose process improvements to minimize their occurrence. Using the DMAIC framework of Six Sigma, the most frequent defect types were mold (27.9%), imprecision (22.7%), loose tie (20.9%), and pinhole (15.88%). Key contributing factors included excessive humidity, limited production space, insect infestation, and insufficient operator skills. Based on field research and literature, the proposed improvements include covering products with tarpaulins during rainy conditions, expanding work-in-progress (WIP) space, providing operator training, and developing clear standard operating procedures (SOPs). These recommendations aim to enhance product quality and increase the sigma level through systematic, continuous improvement. The findings are a practical reference for similar small-scale manufacturing operations seeking to optimize their production processes through quality management tools. Keywords: Six Sigma, DMAIC, 5W+1H, Product Defects, Rattanhttps://ejournal.uin-suska.ac.id/index.php/jti/article/view/35323
spellingShingle Adinda Nurlaela
Muchammad Fauzi
Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)
Jurnal Teknik Industri: Jurnal Hasil Penelitian dan Karya Ilmiah dalam Bidang Teknik Industri
title Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)
title_full Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)
title_fullStr Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)
title_full_unstemmed Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)
title_short Integrating DMAIC Six Sigma for Systematic Defect Analysis and Quality Improvement in Manufacturing (Case Study: Rattan Craft Industries)
title_sort integrating dmaic six sigma for systematic defect analysis and quality improvement in manufacturing case study rattan craft industries
url https://ejournal.uin-suska.ac.id/index.php/jti/article/view/35323
work_keys_str_mv AT adindanurlaela integratingdmaicsixsigmaforsystematicdefectanalysisandqualityimprovementinmanufacturingcasestudyrattancraftindustries
AT muchammadfauzi integratingdmaicsixsigmaforsystematicdefectanalysisandqualityimprovementinmanufacturingcasestudyrattancraftindustries