3D_textile_structures英文版本.pdf

3D Textile Structures3D Textile Structures – TechnologyTechnology Overview The Institute of Textile Science 107th Scientific Session “New Generation of Textiles: from Fibres to Recycling” September 16th 2010 B o r i s T s v e t a n o v , i n g . j r , M . I n g Presentation Outline • Synopsis: – Definition of 3D textiles and theirDefinition of 3D textiles and their manufacturing methods – Application scope of 3D textiles • Development potential at CTT GroupDevelopment potential at CTT Group – Warp knitted – Weft knittedWeft knitted – Embroidery – Woven structures 3D Textiles - Definition and Manufacturing MethodsManufacturing Methods • Formal definition: – FlexibleFlexible textiletextile productsproducts exposingexposing aa substantialsubstantial third dimension compared to the other two planar dimensions. • Hollow / Tubular • Bulk structures • Dome shapped shells • Complex assembled shapes 3D Textiles - Definition • Aspects of 3D: – 33DD geometrygeometry • spatial form and/or orientation without ppreevioouss oor ssubseqbsequeent foormingg sstepseps – and 3D structures • sppatial interlacingg between multipple syystems of threads 3D Textiles - Manufacturing Methods • Manufacturing methods: – BBraidiiding – Weft knitting – Warp knitting – Weaving – Stitched assemblies – Combined proprietary technologies Manufacturing Methods - Braiding • Braiding : – IInterweaviing iin a didiagonall way, to obbtaiin an overlapped structure. Used for the productionpro