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      Penerapan Six Sigma Menggunakan Analisis DMAIC untuk Menurunkan Defect Produk Book Paper di PT XYZ

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      Date
      2026
      Author
      Ermasari, Devi
      Yusri, Doni
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      Abstract
      Penelitian ini bertujuan untuk mengetahui jenis-jenis defect produk book paper 55 gsm, menganalisis akar penyebab defect, mengetahui tingkat risiko defect, serta merumuskan tindakan perbaikan pada proses produksi book paper 55 gsm menggunakan metode Six Sigma dengan pendekatan DMAIC. Berdasarkan analisis laporan produksi periode Mei–November 2025, broke terbesar berasal dari proses Paper Machine 3 sebesar 33% dengan empat jenis defect yang teridentifikasi, yaitu keriput PM (KP), flui (PL), legok (LG), dan gelombang (GL). Defect flui (PL) ditetapkan sebagai defect dominan berdasarkan diagram pareto. Analisis akar penyebab menggunakan diagram sebab akibat 4M+1E dan CFME menghasilkan delapan cause of failure, dengan penyebab RPN tertinggi berdasarkan FMEA adalah tidak adanya standar perlindungan basepaper (RPN = 217). Tindakan perbaikan diimplementasikan dalam bentuk One Point Lesson (OPL) dan checksheet, menghasilkan penurunan DPMO dari 12.752,80 menjadi 9.390,67 serta peningkatan level sigma dari 3,73 menjadi 3,85 dengan tingkat kepuasan pelanggan sebesar 93,3%.
       
      This study aims to identify types of defects, analyze root causes, determine defect risk levels, and formulate corrective actions in the production process of 55 gsm book paper using the Six Sigma method with a DMAIC approach. Based on the analysis of production reports for the period of May–November 2025, the largest broke originated from the Paper Machine 3 process at 33%, with four types of defects identified, namely wrinkle PM (KP), flui (PL), concave (LG), and wavy (GL). Flui defect (PL) was established as the dominant defect based on the Pareto diagram. Root cause analysis using a fishbone diagram with a 4M+1E approach and CFME identified eight causes of failure, with the highest RPN cause based on FMEA being the absence of basepaper protection standards (RPN = 217). Corrective actions were implemented in the form of One Point Lessons (OPL) and checklists, resulting in a reduction of DPMO from 12,752.80 to 9,390.67 and an improvement in sigma level from 3.73 to 3.85 with a customer satisfaction rate of 93.3%.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/175115
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      • UF - Industrial Management [299]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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