利用机械表征和低成本扫描方法设计和分析固体踝足矫形器,用于增材制造

M. Abas, Tufail Habib, Sahar Noor
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引用次数: 0

摘要

目的 本研究旨在探讨利用熔融沉积建模(FDM)打印技术制作实心踝足矫形器(SAFO)。本研究强调使用 Kinect 传感器进行经济高效的三维扫描,并对不同厚度和材料(包括聚乳酸(PLA)和碳纤维增强型(PLA-C))的 SAFO 耐久性进行比较分析,以弥补以往研究的不足。设计/方法/途径在本研究中,方法包括以下关键部分:使用经济高效的 Microsoft Kinect® Xbox 360 扫描仪采集数据,以获得 SAFO 的精确腿部尺寸。使用 CAD 工具设计不同厚度(3、4 和 5 毫米)的 SAFO,同时保持一致的几何形状,以控制厚度影响调查。通过 FDM 3D 打印使用聚乳酸和聚乳酸-C 材料进行制造,从而深入了解材料的适用性。研究结果表明,扫描腿部尺寸的精度与实际人体测量数据相比,偏差小于 5%,这证实了高性价比扫描方法的准确性。此外,研究还确定了 SAFO 的最佳厚度,建议基于 PLA-C 的 SAFO 厚度为 4 毫米和 5 毫米,基于 PLA 的 SAFO 厚度仅为 5 毫米。这项优化提高了这些矫形器解决方案的整体性能和有效性。原创性/价值这项研究的创新之处在于其整体方法,它结合了低成本三维扫描、三维打印和计算模拟来优化 SAFO 材料和厚度。这些发现推动了具有成本效益的高效矫形解决方案的开发。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design and analysis of solid ankle foot orthosis by employing mechanical characterization and a low-cost scanning approach for additive manufacturing
Purpose This study aims to investigate the fabrication of solid ankle foot orthoses (SAFOs) using fused deposition modeling (FDM) printing technology. It emphasizes cost-effective 3D scanning with the Kinect sensor and conducts a comparative analysis of SAFO durability with varying thicknesses and materials, including polylactic acid (PLA) and carbon fiber-reinforced (PLA-C), to address research gaps from prior studies. Design/methodology/approach In this study, the methodology comprises key components: data capture using a cost-effective Microsoft Kinect® Xbox 360 scanner to obtain precise leg dimensions for SAFOs. SAFOs are designed using CAD tools with varying thicknesses (3, 4, and 5 mm) while maintaining consistent geometry, allowing controlled thickness impact investigation. Fabrication uses PLA and PLA-C materials via FDM 3D printing, providing insights into material suitability. Mechanical analysis uses dual finite element analysis to assess force–displacement curves and fracture behavior, which were validated through experimental testing. Findings The results indicate that the precision of the scanned leg dimensions, compared to actual anthropometric data, exhibits a deviation of less than 5%, confirming the accuracy of the cost-effective scanning approach. Additionally, the research identifies optimal thicknesses for SAFOs, recommending a 4 and 5 mm thickness for PLA-C-based SAFOs and an only 5 mm thickness for PLA-based SAFOs. This optimization enhances the overall performance and effectiveness of these orthotic solutions. Originality/value This study’s innovation lies in its holistic approach, combining low-cost 3D scanning, 3D printing and computational simulations to optimize SAFO materials and thickness. These findings advance the creation of cost-effective and efficient orthotic solutions.
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