Improvement of electrolyte flow field during through-mask electrochemical machining by changing mask wall angle

2017 ◽  
Vol 25 ◽  
pp. 246-252 ◽  
Author(s):  
Guoqian Wang ◽  
Hansong Li ◽  
Ningsong Qu ◽  
Di Zhu
Keyword(s):  
Flow Field ◽  
Electrochemical Machining ◽  
Electrolyte Flow ◽  
Wall Angle ◽  
Mask Electrochemical Machining

Investigation on the flow field of W-shape electrolyte flow mode in electrochemical machining

2009 ◽  
Vol 40 (3) ◽  
pp. 525-532 ◽  
Author(s):  
Dong Zhu ◽  
Di Zhu ◽  
Zhengyang Xu ◽  
Qing Xu ◽  
Jia Liu
Keyword(s):  
Flow Field ◽  
Electrochemical Machining ◽  
Flow Mode ◽  
Electrolyte Flow

Experimental Investigation of Fabrication of Double Tapered Hole Array by Using Electroforming and Mask Electrochemical Machining

2014 ◽  
Vol 941-944 ◽  
pp. 2140-2144
Author(s):  
Xiao Hui Bao ◽  
Ping Mei Ming ◽  
Zhen Bin Lv
Keyword(s):  
Electrochemical Machining ◽  
Hole Array ◽  
Substrate Thickness ◽  
Wall Angle ◽  
Metal Mask ◽  
Good Surface ◽  
Mask Electrochemical Machining ◽  
Electrochemical Fabrication ◽  
Through Hole ◽  
Tapered Hole

Basing on an inert perforated metal mask, a hybrid electrochemical fabrication combining electroforming and mask electrochemical machining was proposed to manufacture metal through-hole array with double tapered openings. The feasibility of this novel process was investigated experimentally. The effects of pattern parameters of inert metal mask, such as wall angle, α, substrate thickness, H, hole spacing, L and hole size, D, on profiles of the resulting holes were analyzed. The experimental results show that the hybrid fabrication is able to manufacture high-aspect-ratio double tapered hole array with good surface quality.

scholarly journals Key Technology of the Electrochemical Machining Flow Field in Aero-rotor Blades Made of Inconel®718

2021 ◽  
Author(s):  
Liang HUANG ◽  
Yan CAO ◽  
Chunlei TIAN ◽  
Ruochen ZHAO ◽  
Jiang DU ◽  
...  
Keyword(s):  
Flow Field ◽  
Electrochemical Machining ◽  
Rotor Blades ◽  
Key Technology

Simulation and Experiment Research on Liquid Channel of Diffuser Blade by Electrochemical Machining

2021 ◽  
Author(s):  
Jinkai Xu ◽  
Jin Tao ◽  
Wanfei Ren ◽  
Kun Tian ◽  
Xiaoqing Sun ◽  
...  
Keyword(s):  
Flow Field ◽  
Electrochemical Machining ◽  
Leading Edge ◽  
Feed Speed ◽  
Trailing Edge ◽  
Gap Flow ◽  
Clearance Flow ◽  
Field Uniformity ◽  
Simulation And Experiment ◽  
Channel Center

Abstract Aiming to solve the problems of the low electrolyte flow rate at leading edge and trailing edge and poor uniformity of the end clearance flow field during the electrochemical machining (ECM) of diffuser blades, a gap flow field simulation model was established by designing three liquid-increasing channels at the leading edge and the trailing edge of the cathode. The simulation results indicate that the liquid-increasing hole channel (LIHC) with an outlet area S of 1.5 mm2 and a distance L from channel center to edge point of 3.2 mm achieves optimal performance. In addition, the experiment results show that the optimized cathode with liquid-increasing hole channel (LIHC) significantly improves the machining efficiency, accuracy and surface quality. Specifically, the feed speed increased from 0.25 mm/min to 0.43 mm/min, the taper decreased from 4.02° to 2.45°, the surface roughness value of blade back reduced from 1.146 µm to 0.802 µm. Moreoever, the roughness of blade basin decreased from 0.961 µm to 0.708 µm, and the roughness of hub reduced from 0.179 µm to 0.119 µm. The results prove the effectiveness of the proposed method, and can be used for ECM of other complex structures with poor flow field uniformity.

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