基于FDM和电喷印技术的复合成型工艺

Composite Molding Process Based on FDM and Electro-jet Printing Technology

针对熔融沉积成型、微纳尺度微液滴沉积成型、液态导电金属的性能特点,分析了熔融沉积和电喷印成型的复合增材制造加工方法,研究了熔融沉积和电喷印沉积成型的复合加工机理以及工艺成型步骤.通过FDM 3D打印技术构造电子产品的功能性结构,采用电流体动力喷印和液态金属导电油墨制造电子电路.利用COMSOL Multiphysics模块对电喷印工艺电压对导线成型形态的影响进行了数值模拟,通过仿真和实验研究对比分析,确立了电喷印加工的最佳电压.

According to the characteristics of melt deposition forming,micro/nano micro droplet forming and liquid conductive metal,the composite additive manufacturing method of melt deposition and ELECTROjet printing is analyzed,and the composite processing mechanism and process steps of melt deposition and electrojet printing deposition are studied.The functional structure of electronic products is constructed by FDM 3 D printing technology,and electronic circuits are made by electrohydrodynamic jet printing and liquid metal conductive ink.Using COMSOL Multiphysics module,the influence of electrojet printing process voltage on wire forming shape is numerically simulated,and the optimal voltage of electrojet printing process is established through comparison and analysis of simulation and experimental research.