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Method of closed loop springback compensation for incremental sheet forming process

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Abstract

The closed loop control model was built up for compensating the springback and enhancing the work piece precision. A coupled closed loop algorithm and a finite element method were developed to simulate and correct the springback of incremental sheet forming. A three-dimensional finite element model was established for simulation of springback in incremental sheet forming process. The closed loop algorithm of trajectory profile for the incremental sheet forming based on the wavelet transform combined with fast Fourier transform was constructed. The profile of processing tool path of shallow dishing with spherical surface was designed on the basis of the profile correction algorithm. The result shows that the algorithm can predict an ideal profile of processing track, and the springback error of incremental sheet forming is eliminated effectively. It has good convergence efficiency, and can improve the workpiece dimensional accuracy greatly.

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Authors and Affiliations

  1. College of Mechanical and Electrical Engineering, North China University of Technology, Beijing, 100144, China

    Fei Han  (韩飞) & Min Li  (李敏)

  2. State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan, 430074, China

    Jian-hua Mo  (莫健华) & Pan Gong  (龚攀)

Authors
  1. Fei Han  (韩飞)
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  2. Jian-hua Mo  (莫健华)
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  3. Pan Gong  (龚攀)
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  4. Min Li  (李敏)
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Corresponding author

Correspondence to Fei Han  (韩飞).

Additional information

Foundation item: Project(50175034) supported by the National Natural Science Foundation of China

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Han, F., Mo, Jh., Gong, P. et al. Method of closed loop springback compensation for incremental sheet forming process. J. Cent. South Univ. Technol. 18, 1509–1517 (2011). https://doi.org/10.1007/s11771-011-0867-3

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  • DOI: https://doi.org/10.1007/s11771-011-0867-3

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