Influence of textile cord tension in cap ply production

Claudio Costa, F. Silva, R. D. S. G. Campilho, P. Neves, R. Godina, Sofia H. Ferreira

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


The deep knowledge about manufacturing processes, as well as their optimization, present themselves as indispensable factors in the search for the best product quality. It is this point of view of continuous improvement that makes companies in profitable and sustainable way. This paper presents a study about unwinding tension of textile cords in the cap ply manufacturing process, using machines called cap-strips for production. In this work, tension can be understood as the tensile force exerted on the cord. This study determines the influence of unwinding tension on the physical and shrinkage properties of the cord, as well as on the properties of cap ply, namely green adhesion and peel adhesion. Furthermore, the impact of cord tension on tire uniformity and the manufacturing process itself was also studied. All conclusions are based on the performed experiments and the execution of statistical tests. This work allows to conclude that the unwinding tension of the textile cords have some impact on the cap ply properties but have no influence on the tire uniformity.

Original languageEnglish
Pages (from-to)1766-1774
Number of pages9
JournalProcedia Manufacturing
Publication statusPublished - 2019
Event29th International Conference on Flexible Automation and Intelligent Manufacturing, FAIM 2019 - Limerick, Ireland
Duration: 24 Jun 201928 Jun 2019


  • Cap ply
  • Cap-strip
  • Manufacturing process
  • Quality
  • Textile cord tension
  • Tire manufacturing
  • Unwinding of textile cords


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