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<p>Accurate fluid transport in aircraft relies on precision-bent tubing. Predicting and controlling spring-back during rotary-draw bending is therefore critical. This study presents a coupled analytical–FEM approach for predicting and minimizing springback during rotary-draw bending of aerospace tubing. A closed-form analytical model was developed and validated against 3D finite element simulations. A Taguchi design of experiments further identified optimal material and geometric parameters to minimize springback. The findings establish a practical guideline for controlling springback while maintaining aerospace tolerance. The work demonstrates a reproducible pathway, from analysis to simulation to robust parameter selection for minimising spring-back in critical tubing applications.</p>

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Coupled analytical–FEM prediction and Taguchi–ANOVA optimization of springback in rotary-draw tube bending for aerospace tubing

  • 期刊论文

  • 发表日期：

    2026年1月19日

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  • Kenza Bouchaâla

摘要

Accurate fluid transport in aircraft relies on precision-bent tubing. Predicting and controlling spring-back during rotary-draw bending is therefore critical. This study presents a coupled analytical–FEM approach for predicting and minimizing springback during rotary-draw bending of aerospace tubing. A closed-form analytical model was developed and validated against 3D finite element simulations. A Taguchi design of experiments further identified optimal material and geometric parameters to minimize springback. The findings establish a practical guideline for controlling springback while maintaining aerospace tolerance. The work demonstrates a reproducible pathway, from analysis to simulation to robust parameter selection for minimising spring-back in critical tubing applications.