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Experimental research on combined processing of diamond wire saw and molybdenum twisted wire

  • Ming Zhang
  • Zhidong Liu
  • Hongwei Pan
  • Cong Deng
  • Yichao Ji
  • Mingbo Qiu
ORIGINAL ARTICLE
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Abstract

To improve the surface quality of multiple cutting and eliminate the recast layer in high-speed wire-cut electrical discharge machining (HSWEDM), a novel combined processing based on diamond wire saw and molybdenum twisted wire is proposed in this paper. This closed-loop tension control system can detect tension to stabilize the spatial position of the electrode wire in real time. Compared with molybdenum wire, experimental results show machining status between gaps are superior, with more breakdown delay. Surface roughness (Ra) is reduced from 0.902 to 0.552 μm with combined processing of the twisted wire. The thickness of the recast layer is also reduced by 62% compared with multiple cutting of molybdenum wire, and the straightness error is significantly reduced.

Keywords

High-speed reciprocating traveling WEDM Twisted wire Surface roughness Recast layer 

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Notes

Acknowledgements

The authors extend their sincere thanks to those who contributed in the preparation of the instructions.

Funding information

This project is supported by the National Natural Science Foundation of China (Grant No. 51575271 and No. 51675272).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2018

Authors and Affiliations

  • Ming Zhang
    • 1
  • Zhidong Liu
    • 1
  • Hongwei Pan
    • 1
  • Cong Deng
    • 1
  • Yichao Ji
    • 1
  • Mingbo Qiu
    • 1
  1. 1.College of Mechanical and Electrical EngineeringNanjing University of Aeronautics and AstronauticsNanjingChina

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