Structural modelling of rotary three-dimensional braiding preforms

Hui Wang; Wanxin Long; Jinhuo Wang; Yizhe Chen; Liu Yang

doi:10.1117/12.3003989

11 October 2023 Structural modelling of rotary three-dimensional braiding preforms

Hui Wang, Wanxin Long, Jinhuo Wang, Yizhe Chen, Liu Yang

Proceedings Volume 12800, Sixth International Conference on Computer Information Science and Application Technology (CISAT 2023); 128003A (2023) https://doi.org/10.1117/12.3003989
Event: 6th International Conference on Computer Information Science and Application Technology (CISAT 2023), 2023, Hangzhou, China

Abstract

This work aims to study the modelling method of braiding preforms based on the rotary 3D braiding process. In the rotary 3D braiding process, the carrier is driven by the horn-gear through its alternating rotation, thus yarns interlacing to form the braiding preform. Encoding the horn-gear and the carrier to study the movement law of the carrier. The trajectory of the carrier and the height of the braiding node jointly determine the spatial topology structure of the braiding preform. The yarn trajectory is fitted and optimized using the cubic B-spline curve, Python script is written to drive CATIA to establish a solid model of the braiding preform and a fabric structure simulation interface is developed using PyQt5. Experiments on the braiding of irregular components are conducted to compare the actual braiding fabric with the corresponding model. The result indicates that the braiding algorithm could accurately record the coordinates of the trajectory points of the carrier; The fitted yarn trajectory conforms to the actual trajectory of the yarn; The simulated preform structure is consistent with the actual braiding preform. Therefore, it can be concluded that the modelling method is suitable for structural simulation of various cross-section braiding preforms.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hui Wang, Wanxin Long, Jinhuo Wang, Yizhe Chen, and Liu Yang "Structural modelling of rotary three-dimensional braiding preforms", Proc. SPIE 12800, Sixth International Conference on Computer Information Science and Application Technology (CISAT 2023), 128003A (11 October 2023); https://doi.org/10.1117/12.3003989

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KEYWORDS

3D modeling

Modeling

Interfaces

Solids

Computer simulations

Design and modelling

Motion models

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