Implementation of Six Sigma in the DMAIC Approach for Quality Improvement in the  Knitting Socks Industry

Kurnia, Hibarkah; Jaqin, Choesnul; Purba, Humiras Hardi; Setiawan, Indra

doi:10.7216/1300759920212812403

Cited by 12 publications

(12 citation statements)

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“…The types of defects that enter the CTQ are bubbling, lapel to high/low, and puckering. In another study with a different product, namely the socks product, there were 8 types of CTQ defects [28].…”

Section: Figure 3 Histogram Finishing Line Defectmentioning

confidence: 99%

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The PDCA Approach with Seven Quality Tools for Quality Improvement Men’s Formal Jackets in Indonesia Garment Industry

Sjarifudin

Kurnia

2022

j.sist.teknik.industri.

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Garment production with men's jacket products still finds products with poor quality and a high percentage of defects. The method used in this study is the PDCA approach with seven quality tools. The purpose of this study is to determine the cause of defects, provide solutions to repair these problems by reducing product defects, and reduce the percentage of dominant defects in the Finishing section. This study found that the factors causing the damage were human, machine, method, material, and environmental factors. Meanwhile, improvement efforts are contained in the Action stage, namely 5W+1H. The results of these improvements have an impact on the reduction of finishing defects from 17.8% to 11.8% which means a decrease in defects by 33.7% every month in the finishing section. The implications of this research can be used as a reference to reduce similar problems in the garment industry process. The combination of the PDCA approach and seven repair tools results in a defect percentage control system using a control chart so that defects will be controlled and corrective actions will be taken quickly.

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Section: Figure 3 Histogram Finishing Line Defectmentioning

confidence: 99%

“…All causal factors use why-why analysis in determining the root of the problem. In another study, all problems from dominant defects will be discussed using a fishbone diagram plus why-analysis, so that the cause and effect of a problem will be answered at the meeting [31].…”

Section: Not Make Yetmentioning

confidence: 99%

The PDCA Approach with Seven Quality Tools for Quality Improvement Men’s Formal Jackets in Indonesia Garment Industry

Sjarifudin

Kurnia

2022

j.sist.teknik.industri.

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“…Many manufacturing industries use it, including the garment industry. The implementtation of Six Sigma at the DMAIC stage will be able to reduce defects, increase the amount of production and gain efficiency [25], [26].…”

Section: Fig 1 Garment Defects Each Stage Of the Process In Jan~feb 2021mentioning

confidence: 99%

Implementation of six sigma approach for increasing quality formal men’s jackets in the garment industry

Sjarifudin¹,

Kurnia²,

Purba³

et al. 2022

j. sist. manaj. ind.

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This study aims to implement the Six Sigma method on formal men's jacket products in the garment industry to increase the level of sigma. The methodology is based on the Define, Measure, Analyze, Improve, and Control (DMAIC) approach. The new approach in this study is the determination of 5W+1H using a Focus Group Discussion (FGD) with five expert judgments. The design of this study has applied the Six Sigma method at the Measure stage. It is a measurement before improvement and after the Control stage as a measurement after improvement. The results of this study have increased the level of sigma from 3.5765 to 3.7839, so there is an increase of 5.48%. Increasing the sigma level contributes to a decrease in defects at the finish line by 44.09% every month. Implementing the Six Sigma method to the DMAIC approach has succeeded in increasing the level of sigma, automatically reducing the percentage of defects and increasing the productivity of formal men's jackets in the garment industry.

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“…For example, (a) Ortega et al developed dynamic model of the system for the manufacture of knitted textiles using Six Sigma, but they only increased the sigma level from 1.3 to 1.9. [21]; (b) Kurnia et al studied the amount of sigma faults in sock knitting and give solutions for minimizing the percentage of socks with defects, which is mainly conducted in the garments industries [22]. Hence, there has been no study attempted to date that can provide a cost-effective and sustainable approach to six sigma application in the textile knitting industry.…”

Section: Introductionmentioning

confidence: 99%

Implementation of the Six Sigma Methodology for Reducing Fabric Defects on the Knitting Production Floor: A Sustainable Approach for Knitting Industry

Ahmed

Mia

et al. 2022

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Reducing fabric faults in the textile knitting industry is one of the main challenges for knit fabric production. Due to the fabric defects, the sigma level of knit fabric production is between 3 to 3.5. This study aims to increase the sigma level of knit fabric productions. Here, we implement a six sigma strategy in the textile knitting industry. The Six Sigma methodology is applied step by step on the knitting fabric production floor. The DMAIC approach is clearly stated through the phases of defining, measurement, analysis, improvement and control. The types and reasons for different fabric defects are identified by using the cause and effect diagram. The Pareto chart showed that the highest percentages (51%) of defects are related to yarn quality. In the improvement phase, the defects are eliminated by utilizing the Six Sigma methodology. Then, the sigma level of our knit fabric production went to 4. The risk priority number was calculated and suggestions for preventive actions were analysed in the control phase. Implementing the six sigma methodology on the knitting production floor also reduces the cost of production. As a result, this real time study on the knitting production floor has proved to be an economically sustainable production of knit fabric.

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Implementation of Six Sigma in the DMAIC Approach for Quality Improvement in the Knitting Socks Industry

Cited by 12 publications

References 0 publications

The PDCA Approach with Seven Quality Tools for Quality Improvement Men’s Formal Jackets in Indonesia Garment Industry

The PDCA Approach with Seven Quality Tools for Quality Improvement Men’s Formal Jackets in Indonesia Garment Industry

Implementation of six sigma approach for increasing quality formal men’s jackets in the garment industry

Implementation of the Six Sigma Methodology for Reducing Fabric Defects on the Knitting Production Floor: A Sustainable Approach for Knitting Industry

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