Optimization of Nozzle Inclination and Process Parameters in Air-Shielding Electrochemical Micromachining
Minghuan Wang1, Yongchao Shang1, Kailei He1
1Key Laboratory of Special Purpose Equipment and Advanced Processing Technology, Ministry of Education and Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, China.
Micromachines
|December 11, 2019
Summary
Optimizing air-shielding electrochemical micromachining (AS-EMM) enhances metal surface microstructure fabrication. This study determined optimal nozzle inclination and process parameters for improved engineering part performance.
Area of Science:
- Materials Science
- Manufacturing Engineering
- Surface Engineering
Background:
- Microstructures on metal surfaces enhance engineering part performance.
- Air-shielding electrochemical micromachining (AS-EMM) is a key method for fabricating these microstructures.
- Machining performance in AS-EMM is sensitive to various parameters.
Purpose of the Study:
- To optimize AS-EMM for improved microstructure fabrication.
- To investigate the impact of nozzle inclination and process parameters.
- To achieve better machining results for engineering applications.
Main Methods:
- Computational simulation to optimize nozzle inclination, recommending an air incidence angle (θ) of π/4.
- Grey relational analysis combined with orthogonal test method to determine optimal process parameters.
- Experimental verification of the optimized AS-EMM process.
Main Results:
- Optimal nozzle inclination determined through simulation.
- Optimal AS-EMM parameters identified as: electrolyte velocity 5.5 m/s, gas velocity 160 m/s, and voltage 8 V.
- Experimental validation confirmed the effectiveness of the optimized parameters.
Conclusions:
- The study successfully optimized AS-EMM nozzle inclination and process parameters.
- Optimized AS-EMM enables efficient fabrication of high-performance metal microstructures.
- This research provides a pathway for enhancing engineering part performance through advanced machining.
