Perbaikan Defect Baterai Tipe AAA pada Assembly Line dengan Metode DMAIC Six Sigma
DOI:
https://doi.org/10.22441/pasti.2025.v19i3.009Keywords:
Battery, Six Sigma, DMAIC, DefectAbstract
A battery manufacturing company in Jakarta produces AAA-type alkaline batteries on its assembly line, facing a defect rate of 6.9% from a total production of 5,649,270 units from January to April 2025, exceeding the maximum allowable limit of 5%. This study aims to identify defect causes and propose improvements using the Six Sigma DMAIC methodology. Data were collected through interviews and observations, analyzed using cause-and-effect diagrams, FMEA, and 5W+1H. Results show a DPMO of 23,093 (sigma level 3.49), with Low Voltage as the dominant defect (4.17%). Main causes include inadequate machine maintenance, operator fatigue, and low-quality materials. Proposed improvements include routine weekly machine maintenance, operator training, and material inspections. Implementation reduced the defect rate below 5%, enhancing product quality.
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