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All Journal Jurnal Teknik Industri Terintegrasi (JUTIN)
Rahmayanti, Nina
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Decision Sciences, Operations Research & Management Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Usulan Perbaikan Kualitas Produk POY menggunakan Pendekatan Quality Control Circle dan Delphi di Departemen CP-3 PT. Indo-Rama Rahmayanti, Nina; Iskandar, Hendi; Fata, Afif Fawa Idul
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 3 (2025): July
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i3.48466

Abstract

PT. Indo-Rama Synthetics Tbk is a textile manufacturing company that produces Partially Oriented Yarn (POY) in the CP-3 Department. During the January-March 2025 period, defective products amounted to 1,396 bobbins, or an average of 0.16% of the total monthly production. Although small in percentage, these defects impact increased rework activities, decreased efficiency, and potential delivery delays. This study aims to identify the root causes of the defects and develop improvement proposals using the Quality Control Circle method, as well as evaluate them through the Delphi approach. The analysis revealed two main defects: No Tail Yarn (35%) and Unstandardized Bobbins (35%). The causes include factors related to methods, machinery, and human factors. The proposed improvements include using permanent markers, routine inspections, tracking service life, protecting guides with visual safety markings, and re-socializing procedures and disciplinary action. The implementation of these improvements is estimated to reduce defects by up to 65%. 
Co-Authors Fata, Afif Fawa Idul Iskandar, Hendi