A yarn interaction model for circular braiding

J.H. van Ravenhorst, R. Akkerman

Research output: Contribution to journalArticleAcademicpeer-review

21 Citations (Scopus)
237 Downloads (Pure)


Machine control data for the automation of the circular braiding process has been generated using previously published mathematical models that neglect yarn interaction. This resulted in a significant deviation from the required braid angle at mandrel cross-sectional changes, likely caused by an incorrect convergence zone length, in turn caused by this neglect. Therefore the objective is to use a new model that includes the yarn interaction, assuming an axisymmetrical biaxial process with a cylindrical mandrel and Coulomb friction. Experimental validation with carbon yarns and a 144 carrier machine confirms a convergence zone length decrease of 25% with respect to a model without yarn interaction for the case analyzed, matching the model prediction using a coefficient of friction of around 0.3.
Original languageEnglish
Pages (from-to)254-263
Number of pages10
JournalComposites Part A: Applied Science and Manufacturing
Publication statusPublished - 2016


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