聚醚醚酮3D打印成型的内填充工艺研究

Research on Internal Filling Technology of 3D Printing PEEK

通过自主搭建的聚醚醚酮3D打印机平台,采用熔融沉积方案打印试验样条,研究了挤出温度、打印层厚、进料速度对打印产品内填充率的影响。探索了3D打印机进料"打滑"现象,并得出最佳的进料速度。结果表明,对于聚醚醚酮塑料,低进料速度(4 r/min)、中高温加热温度(375℃)、中层厚(0.3 mm)下的打印件内部填充率可达到较佳的效果。实验获得了较好质量的打印件,为特种工程塑料3D打印机的产业化应用提供参考。

In this article, fused deposition method was taken to print polyetheretherketone （PEEK） test samples through the self-buih PEEK 3D printer platform. And the influence of extrude temperature, printing layer thickness and feed rates on the internal filling of printing products was studied. The phenomenon of ＂ skip＂ in printer feeding speed was also explored, and the optimum feed speed was obtained. The results show that PEEK printing test sample could achieve better effect at following parameters： low feed speed （4 r/min ）, medium-high heating temperature （ 375 % ） and middle layer thickness （ 0. 3 mm）. The experiment could improve the quality of printing product and it also provides reference for the industrialization application of special engineering plastic 3 D printer.