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在EHD波形中应用脉冲宽度调制控制以优化打印性能

Dongqiao Bai¹, Jin Huang², Hongxiao Gong³

¹State Key Laboratory of Electromechanical Integrated Manufacturing of High-performance Electronic Equipments, Xidian University, Xi'an, 710071, PR China.

Microsystems & nanoengineering

|June 9, 2025

概括

脉冲宽度调制 (PWM) 增强了用于先进制造的电液动力学 (EHD) 打印. 这种技术可以提高喷射稳定性,减少滴滴大小,并最大限度地减少高分辨率3D打印应用中的缺陷.

科学领域:

先进制造先进制造制造先进制造
材料科学材料科学材料科学
流体动力学流体动力学

背景情况:

电动力学 (EHD) 打印为电子和生物电子提供高分辨率的3D打印.
目前的EHD打印面临的挑战包括波形控制,材料限制,卫星滴和电荷积累.

研究的目的:

调查脉冲宽度调制 (PWM) 作为提高EHD打印性能的一种方法.
分析工作周期和脉冲细分对EHD打印动态和结果的影响.

主要方法:

在EHD印刷中对PWM控制进行系统的实验和基于模拟的调查.
在不同的PWM参数下分析喷射动态,滴滴形成,电荷积累和图案质量.

主要成果:

PWM调制显著提高了喷射稳定性和打印精度.
降低了水滴直径的25%,并最大限度地减少了卫星水滴的形成.
有效地减轻了电荷积累,并提高了打印图案的质量.

结论:

PWM 控制提供了一个可行的解决方案来增强 EHD 打印能力.
拟议的方法与现有设置兼容,可实现高分辨率,稳定和多功能3D打印.
通过PWM控制的EHD打印对先进的电子和功能设备制造具有重大潜力.

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