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Improving Machining Localization and Surface Roughness in Wire Electrochemical Micromachining Using a Rotating Ultrasonic Helix Electrode
- Source :
- Micromachines, Volume 11, Issue 7, Micromachines, Vol 11, Iss 698, p 698 (2020)
- Publication Year :
- 2020
- Publisher :
- Multidisciplinary Digital Publishing Institute, 2020.
-
Abstract
- Wire electrochemical micromachining (WECMM) technology is regarded a promising method to fabricate high aspect ratio microstructures on hard-to-machining materials, however, the by-product accumulation in the machining gap limits its application. In this paper, a new method called ultrasonic-assisted wire electrochemical micromachining (UA-WECMM) is proposed to improve the machining performance of WECMM. Firstly, a flow-field simulation in the machining gap was carried out<br />the results showed that the ultrasonic vibration of electrode can remarkably enhance the mass transport in the machining gap and improve the machining condition. Secondly, experiments were performed to confirm the effect of ultrasonic vibration, which illustrated that the vibration with proper amplitude can reduce the slit width and improve the morphology of machined surface. Moreover, the influence of other machining parameters were also discussed. Finally, a T-type micro connector with good surface roughness (Ra 0.286 &mu<br />m) was fabricated on a 300-&mu<br />m-thick 304 stainless steel workpiece and a micro gear (diameter: 3.362 mm<br />Ra: 0.271 &mu<br />m) with an aspect ratio of 7 was fabricated on a 2-mm-thick workpiece. It is proved that the proposed ultrasonic-assisted wire electrochemical micromachining method has considerable potential and broad application prospects.
- Subjects :
- 0209 industrial biotechnology
Materials science
lcsh:Mechanical engineering and machinery
02 engineering and technology
Article
machining localization
Cable gland
020901 industrial engineering & automation
Machining
Surface roughness
lcsh:TJ1-1570
ultrasonic-assisted
Electrical and Electronic Engineering
Composite material
Mechanical Engineering
021001 nanoscience & nanotechnology
Microstructure
Vibration
wire electrochemical micromachining
Control and Systems Engineering
Helix
Electrode
surface roughness
Ultrasonic sensor
0210 nano-technology
micro gear
Subjects
Details
- Language :
- English
- ISSN :
- 2072666X
- Database :
- OpenAIRE
- Journal :
- Micromachines
- Accession number :
- edsair.doi.dedup.....bd5c3f7d816cac474a25288cd66b83a3
- Full Text :
- https://doi.org/10.3390/mi11070698