Optimization of Sewing Parameters for Improving the Waterproof Characteristics of Seams using Box–behnken Design
Abstract
The available literature primarily focuses on developing alternative seaming techniques for waterproof garments to address needle holes created during stitching. However, these methods are not sustainable and present limitations, such as higher production costs, compatibility issues, adverse effects on fabric properties and user comfort. This study aims to optimize sewing parameters to improve the waterproof characteristics of seams without relying on alternative techniques. Needle size, thread size, and stitch density are the sewing parameters selected for the study. The research assesses the individual and interactive effects of these parameters on hydrostatic pressure resistance using the Box–Behnken Design (BBD) framework within the Response Surface Methodology (RSM) framework. The findings show that larger needle sizes reduce water resistance, which can be mitigated using higher stitch densities and larger thread sizes. Higher stitch densities also create tighter seam structures, significantly reducing water leakage. These results, validated through regression modeling and surface plot analysis, confirm that stitching effectively improves the seam’s waterproof characteristics by selecting the right sewing parameters. This study provides valuable insights into optimizing traditional stitching techniques to create waterproof seams.
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