摘要
针对在聚二甲基硅氧烷(PDMS) 3D打印的前驱体中加入的特定添加剂的缺陷以及PDMS固化时间长的问题,提出基于热场辅助的PDMS原位固化打印新方法,设计搭建原位固化3D打印平台.通过正交试验获取打印成型平台面与成型面丝材的最优工艺参数组合,基于最优工艺参数组合打印了倾斜结构、仿生结构及Y型气管支架3种典型复杂结构,实现了在打印平台内PDMS制件的原位快速固化成型.该方法拓展了PDMS及同类热固性材料在复杂结构件打印中的适用性.
A new method based on thermal field-assisted in-situ curing and printing of polydimethylsiloxane(PDMS)was proposed in order to address the defects introduced by specific additives in PDMS 3D printing precursors and the prolonged curing time of PDMS.An in-situ curing 3D printing platform was designed and built,and the optimal parameter combination for the printing build platform surface and the forming surface filament was obtained through orthogonal tests to achieve the printing.Three typical complex structures—an inclined structure,a bionic structure,and a Y-shaped tracheal stent—were printed based on these optimized parameters,achieving in-situ rapid curing and forming of the parts in the printing platform.The applicability of PDMS and other similar thermosetting materials in printing complex structural parts was expanded.
作者
苏炼
封森文
谢英睿
栾丛丛
姚鑫骅
SU Lian;FENG Senwen;XIE Yingrui;LUAN Congcong;YAO Xinhua(School of Mechanical Engineering,Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province,State Key Laboratory of Fluid Power and Mechatronic Systems,Zhejiang University,Hangzhou 310027,China)
出处
《浙江大学学报(工学版)》
北大核心
2025年第5期973-981,共9页
Journal of Zhejiang University:Engineering Science
基金
国家自然科学基金:资助项目(52175278)
浙江省自然科学基金:资助项目(LGF21H010006)。
