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Non-productive time optimization for 5-axis EDM drilling using HVNTS algorithm

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  • Jian Wang
  • Xue-Cheng Xi
  • Ling Qin
  • Ya-Ou Zhang
  • Wan-Sheng Zhao

Abstract

This paper presents a hybrid variable neighbourhood search/tabu search (HVNTS) method and a neighbourhood generation strategy called pairwise inter-reshuffle (PIR) for process planning of 5-axis electrical discharge machining (EDM) drilling processes, which aims to minimize the total non-productive time of the machining process, including tool travelling time, tool switching time and Z-axis compensation moving time. To obtain a mathematical model of the non-productive time, a kinematic transformation and a Chebyshev distance function are then utilized. To solve the mathematical model efficiently, an HVNTS algorithm is applied as the model has a large number of 0–1variables. To improve the solution quality, the PIR method and a dynamic neighbourhood strategy are applied simultaneously and verified. The obtained simulation results demonstrate that the proposed basic and the improved HVNTS have a significant contribution in optimizing the non-productive time of the 5-axis EDM drilling process effectively.

Suggested Citation

  • Jian Wang & Xue-Cheng Xi & Ling Qin & Ya-Ou Zhang & Wan-Sheng Zhao, 2021. "Non-productive time optimization for 5-axis EDM drilling using HVNTS algorithm," International Journal of Production Research, Taylor & Francis Journals, vol. 59(16), pages 5068-5082, August.
    • Handle: RePEc:taf:tprsxx:v:59:y:2021:i:16:p:5068-5082
    DOI: 10.1080/00207543.2020.1779961
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