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All Journal Jurnal Kewirausahaan dan Inovasi
Bhagaskara, Muhammad Nabil
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Decision Sciences, Operations Research & Management Environmental Science Social Sciences

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Application of Lean Six Sigma in Minimizing Waste and Enhancing Product Quality in Garment Manufacturing Bhagaskara, Muhammad Nabil; Pradana, Bayu Ilham
Jurnal Kewirausahaan dan Inovasi Vol. 4 No. 4 (2025)
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jki.2025.04.4.16

Abstract

Lean Six Sigma combines the principles of lean manufacturing and six sigma, focusing respectively on minimizing waste and reducing product defects. This study aims to analyze the causes of defects and waste in the T-shirt production process at PT Magnum Attack Indonesia using the DMAIC cycle and to provide improvement recommendations based on the analysis. This applied research employs a quantitative descriptive approach. Data were collected through interviews, observations, and document studies conducted at the company. The results of the Value Stream Mapping (VSM) analysis indicate the presence of non-value-adding activities, including transportation waste, unnecessary inventory, unnecessary motion, and defects. The process performance measured using a p-chart control map showed that the production process was stable with no significant variations. Identified defects include smeared screen printing, peeling screen printing, and uneven stitching. Improvement recommendations were formulated based on the highest Risk Priority Number (RPN) values from the Failure Mode and Effect Analysis (FMEA), which include the implementation of 5S, increased transportation capacity, and a maintenance plan. This study also finds that the implementation of the Lean Six Sigma method significantly improved process cycle efficiency (PCE), increasing it from 22.01% to 34.23%.
Co-Authors Bayu Ilham Pradana