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All Journal Justek : Jurnal Sains Dan Teknologi Jurnal INTECH Teknik Industri Universitas Serang Raya Texere Abditek Nusantara TEKNOLOGI NUSANTARA Jurnal Tekstil: Jurnal Keilmuan dan Aplikasi Bidang Tekstil dan Manajemen lndustri PEDAMAS (Pengabdian Kepada Masyarakat) Sainteks: Jurnal Sain dan Teknik ABDIMAS Iqtishadia Kemas Journal:Jurnal Pengabdian masyarakat JAMARI : Jurnal Pengabdian Masyarakat Mandiri JAMARI : Jurnal Pengabdian Masyarakat Mandiri Jurnal Inkofar
Afriani Kusumadewi
Universitas Insan Cendekia Mandiri
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Optimization of Seam Sealing Process Parameters Using Statistical Process Control for Waterproof Outerwear Production Desti Martina; Fida Eldilia; Zumrotu Zakiyah; Afriani Kusumadewi
SAINTEKS : Jurnal Sain dan Teknik Vol. 8 No. 02 (2026): September
Publisher : Universitas Insan Cendekia Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37577/sainteks.v8i02.1164

Abstract

The seam sealing process is a critical stage in the production of waterproof outerwear because it seals needle holes created during sewing, thereby preventing water penetration and ensuring the waterproof performance of the garment. At PT X, leakage defects were identified in the neck, shoulder, and armhole areas, causing the products to fail to meet the buyer's zero-defect quality standard. This study aimed to identify defect patterns and root causes, control process variation using Statistical Process Control (SPC), and determine the optimum seam sealing parameters as a basis for process standardization. Previous studies have primarily focused on evaluating materials, seam construction, or seam sealing process parameters independently. This study extends previous research by integrating SPC with process parameter optimization to identify sources of process variation, determine the root causes of defects, and establish optimal process parameters for quality improvement. This study employed a quantitative, descriptive, and experimental approach using check sheets, histograms, Pareto diagrams, p-control charts, and fishbone diagrams, followed by experiments with sealing temperatures ranging from 4500C to 4900C and machine speeds of 3.5–4.0 ft/min at a constant pressure of 0.6 MPa. Water resistance was evaluated using an HTM-2225A waterproofness tester. The results showed that 75 of 90 inspection points (83.33%) experienced leakage defects. Pareto analysis revealed that the armhole and shoulder areas accounted for 72% of the total defects, making them the primary priorities for process improvement. Parameter optimization demonstrated that a sealing temperature of 4800C reduced the defect proportion to 33.33%, while the combination of 4800C, 3.8 ft/min, and 0.6 MPa achieved the best sealing performance with no leakage observed at any inspection point. These findings indicate that integrating SPC with process parameter optimization provides an effective basis for standardizing the seam sealing process, reducing process variation, and improving the quality consistency of waterproof outerwear.
Co-Authors Adisti Ramadan Agi Agus Setiawan Sufyan Aldi Muhammad Ramdan Alfi Aulia Ajilan Andri Riswandi, Andri Riswandi Arti Restian Delia Dayani, Camillana Calistafo Desti Martina Diki Nugraha Fadil Abdullah Fandi Achmad Feni Nurherawati Feny Nurherawati Fida Eldilia Filly Pravitasari Galu Murdikaningrum Haryanto, Agung Iis Ananda Astari Ilham Eka Santang Kuswinarti Kuswinarti Lia Muliati Luciana Luciana Luciana Luciana Luciana Luciana Muhammad Zaidun Muchtar, Muhammad Zaidun Muchtar Mujnitri Yasni Nelly Hapsari, Nelly Hapsari Nurherawaty, Feny Prawira David Alrridge Susetio Purnama, Ichsan Putri, Safira Hutama R Kiki Abdul Muluk Rahmawati, Nurmalinda Rani Pramudyo Ningtyas Rani Pramudyo Ningtyas Rifa Mar’atul Fikriyah Rifqi Fahrurozi Rini Siskayanti Riswandi, Andri Salma Hasna Hanifah Santang, Ilham Eka Selly Dini Musdalivakh Selly Dinny Musdalivakh Selly Musdalivakh, Selly Musdalivakh Sulistio, Rino Susi Maulinawati Tiara Nurhuda Tina Martina Vicken Anastasia Yayan Mulyana Yayan Mulyana Zumrotu Zakiyah