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ANALISIS PENGENDALIAN KUALITAS PRODUK GOLF GLOVE MENGGUNAKAN METODE PDCA DENGAN PENDEKATAN STATISTICAL QUALITY CONTROL (SQC) PADA CV. CAHAYA SETIA MULIA ABADI Fachrizal Nazir; Suseno Suseno
JURNAL MULTIDISIPLIN ILMU AKADEMIK Vol. 3 No. 4 (2026): Agustus
Publisher : CV. KAMPUS AKADEMIK PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jmia.v3i4.11601

Abstract

Abstract: Product quality is a key factor in achieving customer satisfaction and enhancing a company's competitiveness. CV. Cahaya Setia Mulia Abadi, a manufacturer of golf gloves, continues to experience a product defect rate of 12.06%, indicating the need for a systematic quality control approach. This study aims to identify the types and causes of product defects and propose improvement strategies using the Plan-Do-Check-Act (PDCA) method supported by the Statistical Quality Control (SQC) approach. The Plan stage employed quality control tools, including check sheets, P-Charts, Pareto diagrams, and Fishbone diagrams, while the Do, Check, and Action stages were used to develop improvement proposals through the 5W+1H matrix and the preparation of Standard Operating Procedures (SOPs). The results revealed three major defect types: holes (55%), remaining threads (30%), and cutting defects (15%). The P-Chart analysis indicated that the production process was not yet fully under, while the Fishbone analysis identified human, machine, method, material, and work environment as the primary causes of defects. The proposed improvements include developing SOPs, strengthening production supervision, implementing regular machine maintenance, improving raw material quality control, and standardizing work methods. Therefore, the implementation of the PDCA method supported by SQC effectively identified the root causes of product defects and provided improvement recommendations to support continuous product quality improvement. Keywords: Quality Control, PDCA, Statistical Quality Control (SQC), control chart, Pareto diagram, Fishbone diagram.
ANALISIS PENGENDALIAN KUALITAS PRODUK SARUNG TANGAN DENGAN METODE STATISTICAL QUALITY CONTROL PADA PT ADI SATRIA ABADI Jonat Jannata Tampana Putra; Suseno Suseno
JURNAL MULTIDISIPLIN ILMU AKADEMIK Vol. 3 No. 4 (2026): Agustus
Publisher : CV. KAMPUS AKADEMIK PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jmia.v3i4.11611

Abstract

PT Adi Satria Abadi, a leather glove manufacturer, continues to experience product defects during its production activities. This study aims to identify the most frequent defects, evaluate the effectiveness of quality control, analyze the factors contributing to product defects, and recommend corrective actions. Statistical Quality Control (SQC) was employed using check sheets, Pareto diagrams, histograms, p-charts, scatter diagrams, fishbone diagrams, and 5W+1H analysis. The study found that 20,883 defective products were recorded out of 220,839 units produced. Misplaced stitching was the most common defect (41.22%), followed by skewed defects (31.19%), non-oval defects (17.15%), and wrinkled defects (10.44%). The p-chart indicated that the production process was not entirely under statistical control due to one point exceeding the upper control limit (UCL), while the scatter diagram showed a positive relationship between production volume and defect occurrence. Fishbone analysis identified human, method, machine, material, and environmental factors as the main causes of defects, with human and method factors contributing the most. Improvement proposals generated through the 5W+1H method include operator training, stricter SOP implementation, preventive maintenance, tighter material inspection, and improvements to the workplace environment. These recommendations are expected to reduce product defects and improve product quality. Keywords: Statistical Quality Control (SQC), quality control, leather gloves, product defects, fishbone diagram
ANALISIS METODE HEURISTIK LINE BALANCING UNTUK OPTIMASI KESEIMBANGAN LINTASAN PADA PROSES SEWING PRODUKSI SARUNG TANGAN GOLF Hidayat Al Ma'ruf; Suseno Suseno
JURNAL MULTIDISIPLIN ILMU AKADEMIK Vol. 3 No. 4 (2026): Agustus
Publisher : CV. KAMPUS AKADEMIK PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jmia.v3i4.11628

Abstract

The golf glove sewing production line at PT XYZ experienced line imbalance, as indicated by differences in workstation cycle times that caused bottlenecks, high idle time, and low line efficiency. This study aimed to improve production line performance by applying three heuristic line balancing methods: Ranked Positional Weight (RPW), Largest Candidate Rule (LCR), and Region Approach (RA). Line performance was evaluated using line efficiency, balance delay, idle time, smoothness index, and the number of workstations. The initial production line consisted of 12 workstations with a line efficiency of 67.63%, a balance delay of 32.37%, a smoothness index of 50.78, and a total idle time of 159.81 seconds.