摘要
结合打印头直径、实物尺寸、材料性能等客观因素,研究了壁厚、封闭面厚度、填充率、打印速度和打印头温度对聚乳酸(PLA)制件力学性能的影响。采用5因素3水平设计正交试验来优化3D打印工艺参数,并对实验结果进行了正交试验极差分析,又通过综合评价方差分析方法对PLA制件的综合力学性能进行研究,最后提出了壁厚0.8 mm、封闭面厚度0.6 mm、填充率60%、打印头温度200℃、打印速度60 mm/s最佳参数设定,从而有效地提高了制件的力学性能。
Combining objective factors such as print head diameter,physical size,material properties,etc.,the effects of wall thickness,sealing surface thickness,filling rate,printing speed and print head temperature on the mechanical properties of polylactic acid(PLA)parts were studied.The five-factor and three-level design of orthogonal experiments was used to optimize the 3D printing process parameters,and the experimental results were analyzed by the orthogonal experiment range,and the comprehensive mechan-ical properties of PLA parts were studied through the method of comprehensive evaluation of variance analysis.Finally,the optimal parameter settings for wall thickness 0.8 mm,closed surface thickness 0.6 mm,filling rate 60%,print head temperature 200℃,and printing speed 60 mm/s are proposed to effectively improve the mechanical properties of the parts.
作者
郑玲
邓鑫
焦晓岚
周依莎
Zheng Ling;Deng Xin;Jiao Xiaolan;Zhou Yisha(School of Materials Science and Engineering,Central South University of Forestry and Technology,Changsha 410004,China;Hunan Province Key Laboratory of Materials Surface&lnterfance Science and Technology,Central South University of Forestry and Technology,Changsha 410004,China)
出处
《工程塑料应用》
CAS
CSCD
北大核心
2021年第10期68-72,80,共6页
Engineering Plastics Application
基金
湖南省自然科学基金-省市联合基金项目(2019 JJ60075)
材料表界面科学与技术湖南省重点实验室开放课题。
关键词
3D打印
熔融沉积
力学性能
工艺参数
正交试验
3D printing
fused deposition modeling process
mechanical property
process parameters
orthogonal experiment
