Sewing Machines and Processes

Yordan Kyosev has been head of the chair of assembly technology for textile at ITM, TU Dresden since 2019, where he teaches courses related to joining flexible materials (sewing and welding machines and processes, machines for the preparation of apparel production, product development for apparel production). From 1997 to 2005, he was an assistant professor at TU Sofia, where he taught the construction and development of sewing and textile machines, technical mechanics, and knitting technology. From 2006 to 2019, he was professor at Niederrhein University of Applied Sciences. Dr Kyosev is the founder and main developer of the company TexMind, which provides software for the engineering development and simulation of textile structures, sewing stitches for their joining, and the processes of the formations of both structures and stitches. He uses his software packages (Braider, Braiding Machine Configurator, Warp Knitting Editor, Stitch Creator, TexMind Viewer) to generate large numbers of illustrations and pictures in his books. He is also editor-in-chief of the Journal of Engineered Fibers and Fabrics, published by SAGE (IF 0.814) and the journal Communications in Development and Assembling of Textile Products.

• Preface......................................................................................................................viiEditor.........................................................................................................................ixContributors................................................................................................................xChapter 1 History of Sewing..................................................................................1Hassan SaeedChapter 2 Sewing Stitch Types............................................................................ 10Yordan Kyosev and Hassan SaeedChapter 3 Stitch Formation Process.....................................................................26Yordan KyosevChapter 4 Needle Thread Motion........................................................................ 57Yordan KyosevChapter 5 Sewing Needles...................................................................................69Daniela SofronovaChapter 6 Sewing Needle: Mechanism and Forces.............................................92Daniela SofronovaChapter 7 Sewing Threads................................................................................. 111Ruth KneiselChapter 8 Thread Consumption for Different Stitch Types............................... 162Yordan KyosevChapter 9 Material Transport............................................................................. 174Hassan SaeedChapter 10 Quality Control during the Sewing Process...................................... 192Denise Lenk and Johannes TaeslerChapter 11 The Evolution of Embroidery Machines...........................................205Cindy Elschner and Judith HahnChapter 12 Embroidery of Conductive Threads in Textiles................................228Daniela Sofronova and Radostina A. AngelovaChapter 13 Spacer Stitching.................................................................................260Hassan SaeedChapter 14 Sewing Machines for Leather and Other Heavy Products................ 275Tatjana Spahiu, Liliia Chertenko and Ermira ShehiChapter 15 Automated Sewing Places.................................................................295Sophie Herz, Karl Hesse and Laura SpindlerIndex....................................................................................................................... 313