Applying DMAIC to Improve Product Quality in a Fashion Company A
Online First: 15/07/2026
Corressponding author's email:
anhvan@hcmute.edu.vnDOI:
https://doi.org/10.54644/jte.2026.2243Keywords:
DMAIC, Six Sigma, Apparel manufacturing, Quality improve, Process capabilityAbstract
In an increasingly competitive environment, improving product quality is a key factor for manufacturing enterprises. This study aims to evaluate and improve product quality in a fashion company through the application of the DMAIC cycle, with the objective of reducing defect rates and enhancing process capability. The research is conducted based on the collection and analysis of actual data from the production department for product X, combined with quality control tools such as control charts, Pareto charts, and cause analysis to identify the main sources of defects. The results show that in the initial stage, the production process operated at a Sigma level of 3.181 with a relatively high defect density, in which the main defects included cup bulging, loss of decorative lace effect, and chiffon fabric scratches, accounting for the majority of total defects. Based on these findings, improvement solutions were proposed and implemented. After implementation, the Sigma level increased to 3.404, indicating the effectiveness of the solutions. The findings confirm that the application of DMAIC can enhance product quality and serve as a foundation for continuous improvement in the future.
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