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All Journal Jurnal Senopati : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering
Dea Dita Krisnasari
Institut Teknologi Kalimantan
Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering

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Analisis dan Penyelesaian Kontradiksi Teknis untuk Mengurangi Cacat Gosong pada Produksi Batu Bata Menggunakan FMECA, RCA+, dan TRIZ Faishal Arham Pratikno; Nurhaliza Dinda Pratiwi; Dea Dita Krisnasari
Jurnal SENOPATI : Sustainability, Ergonomics, Optimization, and Application of Industrial Engineering Vol 8, No 1 (2026): Jurnal SENOPATI Vol 8, No 1
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/j.senopati.2026.v8i1.9277

Abstract

Brick production at Sepinggan Brick Manufacturers still relies on semi-manual processes, causing recurring defects and unstable product quality. This study aims to identify the most critical brick defect, trace its root causes and technical contradictions, and formulate improvement proposals without changing the functional needs of the firing process. The methods used are Failure Mode, Effects, and Criticality Analysis (FMECA), Root Conflict Analysis (RCA+), and Teoriya Resheniya Izobreatateiskikh Zadatch (TRIZ). FMECA results show that burnt defects are the highest-priority failure mode with an RPN of 268.52 and a critical category. RCA+ identifies three contradictions: long firing duration, excessive fuel addition, and overly dense brick stacking. TRIZ recommends heat-protective kiln layers, controlled fuel planning, and rearranged stacking gaps to improve heat circulation and reduce burnt defects.Keywords: brick, contradiction, FMECA, quality control, RCA+, TRIZ
Co-Authors Faishal Arham Pratikno Nurhaliza Dinda Pratiwi