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Spatial Model of the Structure of Warp – Knitted 3D Distance Fabrics

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Abstract:

This article presents a geometrical model of three – and five–layer 3D distance knitted fabric which characterises the structural features of the fabric in a spatial Cartesian xyz system. New notions (technical terms) of ‘spatial a – jours’ and ‘spatial reliefs’ are introduced. Spatial a – jours are channelled layer structures inside knitted fabrics, whereas spatial reliefs are characterised by a different structure of the internal, as well as external layers, which are the result of a different thickness of the fabric layer’s segements. A hybrid model was developed of the graphical description of a 3D distance knitted fabric. This model includes a description of the thread continuum in the fabric stitch using of the 2D system. Whereas considered a solid, it presents the spatial architecture of the knitted fabric. The model composition was verified by an analysis of the real structures of twenty stitch variants.

Tags: knitted distance fabrics, 3D structures, spatial a – jours, spatial reliefs, spatial model, graphical model.

Published in issue no 5 (70) / 2008, pages 83–89.

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