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Study on debris evacuation of EDM small hole processing on titanium alloy

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Abstract

In electrical discharge machining (EDM) small hole processing, if the debris is not evacuated in time, it affects the processing efficiency and quality. In this paper, a three-dimensional model of tool, workpiece, and flow field was established in Fluent. The tool motion was simulated by using dynamic mesh and the user-defined function. The law of debris motion between electrodes was analyzed in the case of side flushing, tool lifting, and tool rotation processing. The simulation results show that tool-lifting processing evacuates the most debris than tool rotation and side flushing processing. The experiment results show that with the increase of the tool lifting velocities, the relative tool wear rate and the surface roughness of the sidewall decrease.

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The datasets used or analyzed during the current study are available from the corresponding author on reasonable request.

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Authors and Affiliations

  1. Dalian Polytechnic University, Dalian, China

    Wenchao Zhang, Mingwei Wang & Yao Zhang

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  1. Wenchao Zhang
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  2. Mingwei Wang
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  3. Yao Zhang
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Contributions

Wenchao Zhang: Designed the study, performed the research, analyzed data, and wrote the paper.

Mingwei Wang: Contributed to the writing.

Yao Zhang: Discussed the results.

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Correspondence to Wenchao Zhang.

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Zhang, W., Wang, M. & Zhang, Y. Study on debris evacuation of EDM small hole processing on titanium alloy. Int J Adv Manuf Technol 121, 2335–2341 (2022). https://doi.org/10.1007/s00170-022-09487-4

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  • DOI: https://doi.org/10.1007/s00170-022-09487-4

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