Experimental Analysis of Wax Micro-Droplet 3D Printing Based on a High-Voltage Electric Field-Driven Jet Deposition Technology

被引:4
作者
Chao, Yanpu [1 ]
Yi, Hao [2 ,3 ]
Cao, Fulai [1 ]
Li, Yaohui [1 ]
Cen, Hui [1 ]
Lu, Shuai [1 ]
机构
[1] Xuchang Univ, Dept Mech Engn, Xuchang 461002, Peoples R China
[2] Cent South Univ, State Key Lab High Performance Complex Mfg, Changsha 410083, Peoples R China
[3] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
基金
中国国家自然科学基金;
关键词
micro-droplet; high-voltage electric field-driven jet; Taylor cone; micro-scale wax structure; SOFT; FABRICATION; DEVICES; SURFACE; FILM;
D O I
10.3390/cryst12020277
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
High-voltage electric field-driven jet deposition technology is a novel high resolution micro scale 3D printing method. In this paper, a novel micro 3D printing method is proposed to fabricate wax micro-structures. The mechanism of the Taylor cone generation and droplet eject deposition was analyzed, and a high-voltage electric field-driven jet printing experimental system was developed based on the principle of forming. The effects of process parameters, such as pulse voltages, gas pressures, pulse width, pulse frequency, and movement velocity, on wax printing were investigated. The experimental results show that the increasing of pulse width and duration of pulse high voltage increased at the same pulse frequency, resulting in the micro-droplet diameter being increased. The deposited droplet underwent a process of spreading, shrinking, and solidifying. The local remelting and bonding were acquired between the contact surfaces of the adjacent deposited droplets. According to the experiment results, a horizontal line and a vertical micro-column were fabricated by adjusting the process parameters; their size deviation was controlled within 2%. This research shows that it is feasible to fabricate the micro-scale wax structure using high-voltage electric field-driven jet deposition technology.
引用
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页数:16
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