Prediction of the braid pattern on arbitrary-shaped mandrels using the minimum path condition

Title
Prediction of the braid pattern on arbitrary-shaped mandrels using the minimum path condition
Author(s)
이준석나원진[나원진]안현철[안현철]전승열[전승열]강현민[강현민]유웅렬[유웅렬]
Keywords
PREFORMS; FIBER
Issue Date
201401
Publisher
ELSEVIER SCI LTD
Citation
COMPOSITES SCIENCE AND TECHNOLOGY, v.91, pp.30 - 37
Abstract
A mathematical model is developed to predict the braid pattern (by braiding process) on arbitrary-shaped mandrels considering braiding process parameters. This model includes basic requirements for the braid pattern to be formed, i.e., the braid pattern is formed at a point on the mandrel surface where the line running from the braid point to the yarn carrier on the braiding bed is tangent to the mandrel surface. Additionally, the minimum path condition is incorporated into the mathematical model to reflect braiding process parameters more rigorously. The minimum path condition requires that the braid pattern be formed at a point on the mandrel surface where the total length of the braiding yarn hanging over from the previous braiding point to the yarn carrier is minimized. The new model is implemented to simulate the braid pattern on a conical and a rectangular, acentric mandrel. The simulation results are compared with experiments, demonstrating that the current model is highly suitable for predicting the braid pattern on complex mandrels within reasonable accuracy, thereby providing an effective tool for designing braid composites. (C) 2013 Elsevier Ltd. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/33445http://dx.doi.org/10.1016/j.compscitech.2013.11.012
ISSN
0266-3538
Appears in Collections:
공과대학 > 융합섬유공학과 > Articles
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