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A study on machining characteristics of nickel-based alloy with short electric arc milling

  • Xiaokang Chen
  • Jianping Zhou
  • Kedian WangEmail author
  • Yan Xu
  • Guoyu Hu
ORIGINAL ARTICLE
  • 11 Downloads

Abstract

Short electric arc milling (SEAM) is an electrical discharge machining method characterized by low voltage and high current. This method has high machining efficiency, and the eroded material is quickly discharged from the discharge gap by a high-speed rotating tool electrode and a certain pressure of the gas-liquid mixed medium. In this paper, the effects of tool polarity, working medium, voltage, duty cycle, frequency, and flushing pressure on the performance of short electric arc milling were investigated by using the material removal rate (MRR), tool mass wear ratio (θ), and surface roughness (SR) as technical indicators. Moreover, the surface morphology, cross-section morphology, chemical composition, and micro-hardness of GH4169 after machining were also studied, and the machine mechanism was further revealed. This work lays a foundation for more efficient and high-precision short electric arc milling.

Keywords

Short electric arc milling (SEAM) Material removal rate (MRR) Tool mass wear ratio (θSurface roughness (SR) GH4169 

Notes

Funding information

This research was supported by the Key Research and Development Projects in the Autonomous Region (Grant No. 2018B02009-1, 2018B02009-4), the Natural Science Foundation of China (Grant No. 51765063), Tianshan Talent Project of Xinjiang Uygur Autonomous Region (Grant No. 10020000204), and the open topic research fund (Grant No. sklms2019009).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • Xiaokang Chen
    • 1
  • Jianping Zhou
    • 1
  • Kedian Wang
    • 1
    • 2
    Email author
  • Yan Xu
    • 1
  • Guoyu Hu
    • 1
    • 3
  1. 1.School of Mechanical EngineeringXinjiang UniversityUrumqiChina
  2. 2.School of Mechanical EngineeringXi’an Jiaotong UniversityXi’anChina
  3. 3.State Key Laboratory for Manufacturing Systems EngineeringXi’an Jiaotong UniversityXi’anChina

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