EFFENDI, MUHAMMAD (2025) PERBAIKAN TINGKAT CACAT KANTONG SEMEN DENGAN METODE DMAIC DAN FTA PADA INDUSTRI SEMEN DI DAERAH BOGOR. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
This research aims to improve the defect rate of cement bags in a cement industry located in the Bogor area by implementing the DMAIC (Define, Measure, Analyze, Improve, Control) method and Fault Tree Analysis (FTA). The high defect rate, encompassing Bag Quality, Packing House Handling, and Packer Accessories, leads to inconsistent production quality and an average DPMO (Defects Per Million Opportunities) of 83,796, far from the target of sigma 4 and a 2% defect rate. Defect data from December 2023 to March 2024 were analyzed using control charts to identify defect patterns and causes. FTA was employed to systematically analyze the root causes of the problems, while 5W+1H facilitated the formulation of improvement solutions. Implementation of improvements inCLuded enhancing cement bag quality, operator training, improving handling procedures in the packing house, and maintaining packing machines. Consequently, the defect rate decreased, and the sigma value increased, approaching the established target. This research demonstrates the effectiveness of integrating DMAIC and FTA in improving product quality and reducing losses due to production defects. Continuous monitoring and control are recommended to maintain the achieved improvements. Keywords: Six sigma, Fault Tree Analysis, DMAIC, Defect Level. Penelitian ini bertujuan untuk memperbaiki tingkat cacat kantong semen pada industri semen di daerah Bogor dengan menerapkan metode DMAIC (Define, Measure, Analyze, Improve, Control) dan Fault Tree Analysis (FTA). Tingkat cacat yang tinggi, meliputi Bag Quality, Packing House Handling, dan Packer Accessories, menyebabkan ketidakkonsistenan kualitas produksi dan nilai DPMO (Defects Per Million Opportunities) rata-rata sebesar 83.796, jauh dari target sigma 4 dan tingkat cacat 2%. Data cacat dari Desember 2023 hingga Maret 2024 dianalisis menggunakan peta kendali untuk mengidentifikasi pola dan penyebab cacat. FTA digunakan untuk menganalisis akar penyebab masalah secara sistematis, sementara 5W+1H membantu merumuskan solusi perbaikan. Implementasi perbaikan meliputi peningkatan kualitas kantong semen, pelatihan operator, perbaikan prosedur penanganan di packing house, dan perawatan mesin packing. Hasilnya, tingkat cacat menurun dan nilai sigma meningkat, mendekati target yang ditetapkan. Penelitian ini menunjukkan efektivitas integrasi DMAIC dan FTA dalam meningkatkan kualitas produk dan mengurangi kerugian akibat cacat produksi. Pemantauan dan pengendalian berkelanjutan direkomendasikan untuk mempertahankan perbaikan yang telah dicapai. Kata Kunci : Six sigma, Fault Tree Analysis, DMAIC, Tingkat Cacat.
| Item Type: | Thesis (S1) |
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| Call Number CD: | FT/IND. 25 012 |
| NIM/NIDN Creators: | 41621010026 |
| Uncontrolled Keywords: | Six sigma, Fault Tree Analysis, DMAIC, Tingkat Cacat. |
| Subjects: | 300 Social Science/Ilmu-ilmu Sosial > 320 Political dan Government Science/Ilmu Politik dan Ilmu Pemerintahan > 322 Relation of The State of Organized Groups/Hubungan Negara dengan Kelompok Sosial yang Terorganisir > 322.3 Business and Industry/Bisnis dan Industri 300 Social Science/Ilmu-ilmu Sosial > 330 Economics/Ilmu Ekonomi > 338 Production, Industrial Economics/Produksi, Ekonomi Industri |
| Divisions: | Fakultas Teknik > Teknik Industri |
| Depositing User: | khalimah |
| Date Deposited: | 13 Feb 2025 06:14 |
| Last Modified: | 13 Feb 2025 06:14 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/94191 |
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