A Research on EDM Drilling High Precision Blind Hole

Liang Shi-yong; Yu Zhao-qin; Huang Wen-bin; Xiao Cheng-long

doi:10.12052/gdutxb.190135

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A Research on EDM Drilling High Precision Blind Hole

更新时间：2026-05-27

- A Research on EDM Drilling High Precision Blind Hole
- Vol. 37, Issue 4, Pages: 75-78(2020)
- 作者机构：
  
  广东工业大学机电工程学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.190135
  CLC： TG661
- Online First：11 July 2020，
  
  Published：2020
- 稿件说明：
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梁世雍, 于兆勤, 黄文彬, 肖成龙. 电火花钻削高精度盲孔实验研究[J]. 广东工业大学学报, 2020, 37(4): 75-78.

Liang Shi-yong, Yu Zhao-qin, Huang Wen-bin, et al. A Research on EDM Drilling High Precision Blind Hole[J]. 2020, 37(4): 75-78.
梁世雍, 于兆勤, 黄文彬, 肖成龙. 电火花钻削高精度盲孔实验研究[J]. 广东工业大学学报, 2020, 37(4): 75-78. DOI： 10.12052/gdutxb.190135.

Liang Shi-yong, Yu Zhao-qin, Huang Wen-bin, et al. A Research on EDM Drilling High Precision Blind Hole[J]. 2020, 37(4): 75-78. DOI： 10.12052/gdutxb.190135.

摘要

针对电火花加工中电极损耗问题

提出轴向补偿电极损耗的钻孔方法

利用黄铜和紫铜2种不同电极材料在超精密电火花加工机床(Sarix SX-200hpm)上

对钛合金进行不同深度盲孔加工实验

对比了该法与电极损耗无补偿加工的差异。结果表明，利用该方法加工的盲孔深度能接近预期深度，且紫铜电极加工的盲孔形貌更好。

Abstract

Aiming at the problem of electrode wear in electrical discharge machining(EDM)

a drilling method for axial compensation of electrode wear is proposed. A series of blind holes of different intended depths are drilled on the micro-EDM machine (Sarix SX-200hpm) using the proposed method and they are compared with holes drilling without compensation. The brass and copper are employed as tool electrode and the workpiece is Titanium alloy (TC4). As a result the depth of blind hole processed by this method can be close to the expected and the morphology of blind hole processed with the copper electrode is better.

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references

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