Remanufacturing-oriented geometric modelling for the damaged region of components

Yingzhong Zhang, Zhenyan Yang, Guangzhi He, Yun Qin, Hong Chao Zhang

Research output: Contribution to journalConference articlepeer-review

12 Scopus citations


The accurate additive manufacturing technology provides an effective and efficient means for remanufacturing or repairing high value and damaged engineering components. Important work to implement this technology is to construct the geometric model of the damaged or worn region, which lays the foundation for the computation of the tool path and the virtual digit repair. This paper discusses several forms of the damaged or worn region and proposes a hybrid B-rep model integrating subdivision mesh and exact boundary representation according to the data sources. A novel method to perform Boolean operations on the triangulated approximation surfaces and exact parameter surfaces is also presented. Finally, a modelling example and discussion are given to illustrate the effectiveness of the approach.

Original languageEnglish
Pages (from-to)798-803
Number of pages6
JournalProcedia CIRP
StatePublished - 2015
Event22nd CIRP Conference on Life Cycle Engineering, LCE 2015 - Sydney, Australia
Duration: Apr 7 2015Apr 9 2015


  • Damaged region
  • Geometric modelling
  • Remanufacturing
  • Reverse engineering


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