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Micro-EDM milling of micro platinum hemisphere

  • Guanrong Hang*
  • , Guohui Cao
  • , Zaicheng Wang
  • , Jing Tang
  • , Zhenlong Wang
  • , Wansheng Zhao
  • *Corresponding author for this work
  • School of Mechatronics Engineering, Harbin Institute of Technology
  • Xiamen University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Micro-EDM milling has become one of the powerful means of 3D micromachining for MEMS. However, for micro-EDM milling, there isn't a general electrode wear compensation strategy matched to arbitrary materials of workpiece and electrode. In this paper, the machinability of platinum metal is evaluated by taking latent heat of fusion and evaporation into account firstly. And then, a general electrode wear compensation strategy based on above-mentioned evaluation is proposed. The two characters of this strategy are employing an unequal thickness lamination for milling path and using a fixed flat surface as compensation reference. As a result, a Ø100 μm micro platinum hemisphere is machined successfully. The surface quality of the platinum hemisphere is better than that of micro steel hemisphere. It is proved that platinum is feasible to be machined by micro-EDM.

Original languageEnglish
Title of host publicationProceedings of 1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, 1st IEEE-NEMS
Pages579-584
Number of pages6
DOIs
StatePublished - 2006
Externally publishedYes
Event1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, 1st IEEE-NEMS - Zhuhai, China
Duration: 18 Jan 200621 Jan 2006

Publication series

NameProceedings of 1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, 1st IEEE-NEMS

Conference

Conference1st IEEE International Conference on Nano Micro Engineered and Molecular Systems, 1st IEEE-NEMS
Country/TerritoryChina
CityZhuhai
Period18/01/0621/01/06

Keywords

  • General electrode wear compensation strategy
  • Micro hemisphere
  • Micro-EDM milling
  • Platinum

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