Analysis of Shoe Upper Product Defect with the Seven Tools and Failure Mode and Effect Analysis (FMEA) Methods in PT. XYZ

Abdul Fattah Juniawan; Sumiati Sumiati

doi:10.22441/ijiem.v5i2.22414

Authors

Abdul Fattah Juniawan Department of Industrial Engineering, Faculty of Engineering, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Jl. Rungkut Madya No.1 Gunung Anyar, Surabaya 60294, Indonesia
Sumiati Sumiati Department of Industrial Engineering, Faculty of Engineering, Universitas Pembangunan Nasional “Veteran” Jawa Timur, Jl. Rungkut Madya No.1 Gunung Anyar, Surabaya 60294, Indonesia

DOI:

https://doi.org/10.22441/ijiem.v5i2.22414

Keywords:

Defect, Shoe upper, Seven tools, FMEA

Abstract

PT XYZ is a company engaged in the manufacturing industry with the production of shoe uppers. In the shoe upper production process, defects such as broken pulltab, mudguard crack, tilted backtab, and false collbar are still found which affect quality. The purpose of this study is to determine the level of defects that most often occur so that it can provide suggestions for improvement to reduce the defects of upper shoe products. The methods used are Seven Tools and Failure Mode and Effect Analysis (FMEA). Seven Tools include check sheets, statistics, histograms, pareto charts, pareto diagrams, scatter diagrams, control diagrams, and fishbone diagrams. Then proceed with FMEA analysis to get suggestions for corrective action. Based on the results of research on Seven Tools, it is known that the most dominant defect in shoe uppers is broken pulltab (38.4%), then mudguard crack (30.64%), tilted backtab (16.49%) and false collbar (14.47%). Based on the results of Failure Mode and Effect Analysis (FMEA) research, it is known that the cause of the highest problem at RPN 288 is unbalanced thread setting. The proposed improvement suggestion is to balance the upper thread tension and lower thread tension of the sewing machine.

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