Low-Cost, Fully 3D-Printed, Magnetically Actuated, Miniature Valve-Less Liquid Pumps

2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS) Pub Date : 2019-12-01 DOI:10.1109/PowerMEMS49317.2019.20515804968

Anthony P. Taylor, L. Velásquez-García

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引用次数: 1

Abstract

We report the design, fabrication, and characterization of the first fully 3D-printed, multi-material, magnetically driven, valve-less miniature liquid pumps in the literature. Extending our work on 3D-printed liquid pumps [1] and magnetic actuators [2], the new devices are driven by a rotating magnet and employ valve-less diffusers [3]. Our leak-tight, miniature liquid pumps are microfabricated using 150 $\mu$ m layers in pure Nylon 12 and NdFeB-embedded Nylon 12 via fused filament fabrication (FFF) [4] –an inexpensive additive manufacturing method for thermoplastics capable of monolithically creating multi-material objects. The fabrication of the pumps employs a novel multi-material printing process that monolithically creates all features with <13 $\mu$ m in-plane misalignment. The new pumps occupy 4.3X less volume than our FFF printed embedded magnet pumps, while sustaining 20% larger flow rates and actuating 14X faster [1].

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低成本，完全3d打印，磁力驱动，微型无阀液体泵

我们在文献中报告了第一个完全3d打印，多材料，磁力驱动，无阀微型液体泵的设计，制造和表征。将我们在3d打印液体泵[1]和磁性执行器[2]上的工作扩展，新设备由旋转磁铁驱动，并采用无阀扩散器[3]。我们的密封性微型液体泵是通过熔融长丝制造(FFF)(一种廉价的热塑性塑料增材制造方法，能够单片制造多材料物体)，使用150 $ $ μ $ m的纯尼龙12和ndfeb嵌入尼龙12层进行微制造的。泵的制造采用了一种新型的多材料打印工艺，整体上产生了小于13 $ $ $ m的平面内偏差的所有特征。与我们的FFF印刷嵌入式磁铁泵相比，新泵的体积减少了4.3倍，但流量增加了20%，驱动速度提高了14倍[1]。

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2019 19th International Conference on Micro and Nanotechnology for Power Generation and Energy Conversion Applications (PowerMEMS)

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