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首页> 外文期刊>Vlakna a Textil >THE INFLUENCE OF MICROSTRUCTURE OF 3D PRINTING ON TACTILE PERCEPTION OF HUMANS
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THE INFLUENCE OF MICROSTRUCTURE OF 3D PRINTING ON TACTILE PERCEPTION OF HUMANS

机译:3D打印微观结构对人类触觉感知的影响

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摘要

Braille script is one of the most important communication tools for visual disable people. This script is a group of six points, systematically composed into Braille cell representing each letter or number in alphabet. It has been used for marking medicine, entrances or exits and other items. The Braille script can be made from different materials, usually paper or metal desks applied to the required surfaces. In this work, Braille cells were applied by multi layered 3D printing directly to the textile surface taking into consideration the right preparation of substrates. 3D printing is created on basic cotton canvas in two variants: rough porous printing with micro roughness and smooth printing with minimal changes in roughness. A comparative evaluation for these two kinds of 3D printing was carried out to measure the micro roughness and the height using electron and confocal microscopy. Then, a qualitative study for the ability of blind people with different defects of visual impairment to recognize and read the printed Braille script was done. Blind people are using mechanoreceptors, especially Vater Pacini corpuscle, to provide information about the texture, pressure and vibration. Results of this study can define future modifications to examine influence of micro and nano structures on the tactile properties of 3D printed Braille scripts and other applications.
机译:盲文脚本是视觉禁用人最重要的通信工具之一。此脚本是一组六个点,系统地组成盲文单元格,表示字母表中的每个字母或数字。它已被用于标记药物,入口或出口等物品。盲文脚本可以由不同的材料制成,通常纸张或应用于所需表面的金属桌子。在这项工作中,考虑到衬底的正确制备,通过多层3D印刷将盲文细胞直接施加到纺织表面上。 3D打印在两个变体中的基本棉布上创建:粗糙的多孔印花,微粗糙度和光滑的印花,粗糙度的最小变化。对这两种3D打印进行了比较评价,以测量使用电子和共聚焦显微镜的微粗糙度和高度。然后,完成了对视觉损害不同缺陷识别和阅读印刷盲文脚本的不同缺陷的盲人盲人能力的定性研究。盲人正在使用机制,特别是Vater Pacini Corpuscle,提供有关纹理,压力和振动的信息。该研究的结果可以定义未来的修改,以检查微型和纳米结构对3D印刷盲文脚本和其他应用的触觉特性的影响。

著录项

  • 来源
    《Vlakna a Textil》 |2020年第5期|10-15|共6页
  • 作者单位

    Technical university of Liberec The Institute for Nanomaterials Advanced Technology and Innovation;

    Technical university of Liberec The Institute for Nanomaterials Advanced Technology and Innovation;

    Technical university of Liberec Department of Material Engineering Studentska 1402/2 460 01 Liberec 1 Czech Republic;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    3D printing; human perception; roughness component;

    机译:3D打印;人类感知;粗糙度成分;

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