Today technologies of embroidery are applied for the production of composite materials, intelligent (smart) clothing or textiles as well as in medicine. In the modern production of garments, embroidery fulfils decorative, informative, and safety functions. The possible best quality of the embroidered element has to be ensured. The woven fabric covered with embroidery threads is compressed and buckled between the needle pricks. Such effects may result not only in relaxation processes in the embroidery threads after the embroidery process but may also affect the properties of the embroidered material. The behaviour of the material inside an embroidered element may result in the thickness of the material and influence its structure, bending rigidity, formability, shear stiffness, etc. Our aim was to investigate the buckling of materials with different physical properties inside embroidered elements. For investigations woven fabrics with different structure and mechanical properties and polyester embroidery threads were selected. The digital design (width 6 mm, length 60 mm) was generated applying Wilcom Embroidery Software 2006 Software Package. An automated embroidery machine Barudan BEVT-Z901CA was used to prepare the specimens. Embroidering process speed of 700 stitches per minute was applied. Six test specimens were embroidered in the warp and weft directions. The investigation showed that fabric structure indicators such as linear filling and linear porosity influence the formation of the height and shape of the buckling waves inside the embroidered element.
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