Quality Control to Reduce Appearance Defects at PT. Musical Instrument

Quality Control to Reduce Appearance Defects at PT. Musical Instrument

Volume 9, Issue 7, July – 2024 | Dikka Safriyanto1; Fibi Eko Putra2; Putri Anggun Sari3
This research, conducted at PT. Musical Instruments, aims to analyze and reduce appearance defects in piano products using the Six Sigma methodology with a DMAIC (Define, Measure, Analyze, Improve, Control) approach. The study focuses on identifying the root causes of defects and proposing solutions to improve product quality and customer satisfaction. Key findings include the main factors causing defects such as incompatibility with work methods, lack of worker training, use of non-standard materials, suboptimal jig conditions, and an unsupportive working environment. Based on these findings, the research proposes improvements including enhancing standard operating procedures, regular worker training, using high-quality materials, regular maintenance and calibration of jigs, and improving work environment conditions. The implementation of these improvements is expected to reduce appearance defects, improve product quality, and meet the quality standards set by PT. Musical Instruments. The research uses secondary data collected over three months (May to July) and employs various tools such as fishbone diagrams and control charts to analyze and address the defects. The results show that the company's sigma level for piano production is currently at 2.77, indicating a need for significant improvement.This research, conducted at PT. Musical Instruments, aims to analyze and reduce appearance defects in piano products using the Six Sigma methodology with a DMAIC (Define, Measure, Analyze, Improve, Control) approach. The study focuses on identifying the root causes of defects and proposing solutions to improve product quality and customer satisfaction. Key findings include the main factors causing defects such as incompatibility with work methods, lack of worker training, use of non-standard materials, suboptimal jig conditions, and an unsupportive working environment. Based on these findings, the research proposes improvements including enhancing standard operating procedures, regular worker training, using high-quality materials, regular maintenance and calibration of jigs, and improving work environment conditions. The implementation of these improvements is expected to reduce appearance defects, improve product quality, and meet the quality standards set by PT. Musical Instruments. The research uses secondary data collected over three months (May to July) and employs various tools such as fishbone diagrams and control charts to analyze and address the defects. The results show that the company's sigma level for piano production is currently at 2.77, indicating a need for significant improvement.
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