过程参数对熔丝成型产品结合颈的影响

doi:10.12068/j.issn.1005-3026.2022.09.007

东北大学学报（自然科学版） ›› 2022, Vol. 43 ›› Issue (9): 1263-1269.DOI: 10.12068/j.issn.1005-3026.2022.09.007

过程参数对熔丝成型产品结合颈的影响

贠超群¹，姜世杰^1,2，战阳³，李常有¹

(1. 东北大学机械工程与自动化学院，辽宁沈阳110819； 2. 辽宁省机械装备动力学可靠性重点实验室，辽宁沈阳110819； 3. 辽宁轨道交通职业学院，辽宁沈阳110023)

发布日期:2022-09-16
通讯作者: 贠超群
作者简介:贠超群(1998-)，女，辽宁锦州人，东北大学硕士研究生.
基金资助:
国家自然科学基金资助项目(51705068); 中央高校基本科研业务费专项资金资助项目(N180703009，N170302001).

Influence of Processing Parameters on the Bonding Neck of Fused Filament Fabrication Products

YUN Chao-qun¹， JIANG Shi-jie^1,2， ZHAN Yang³， LI Chang-you¹

1. School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China; 2. Liaoning Province Key Laboratory of Dynamics Reliability of Mechanical Equipment， Shenyang 110819， China; 3. Guidaojiaotong Polytechnic Institute， Shenyang 110023， China.

Published:2022-09-16
Contact: JIANG Shi-jie
About author:-
Supported by:
-

摘要/Abstract

摘要： 熔丝成型(fused filament fabrication，FFF)是当今应用最广泛的增材制造技术之一.FFF产品相邻挤出材料丝之间的结合颈对其成型质量有重要影响，并随过程参数的改变而明显变化.针对不同过程参数对结合颈的影响进行了实验与理论研究.根据部分析因设计制备了不同过程参数下的FFF样件，利用扫描电子显微镜完成结合颈的实验研究，并建立了结合颈的理论模型.结果表明:过程参数对样件结合颈有一定的影响；适当降低打印速度或增加挤出温度、挤出宽度、打印层厚度及填充率，结合颈增大，但改善效果有限，理论模型准确可靠.

关键词: 熔丝成型；结合颈；过程参数；扫描电子显微镜；实验研究

Abstract: Fused filament fabrication(FFF)is one of the most widely used additive manufacturing technologies today. The bonding neck formed between the adjacent extruded material filaments of FFF products has an important influence on the forming quality， and it is significantly influenced by the processing parameters. The experimental and theoretical study was carried out on the influencing rule of different processing parameters on the bonding neck. FFF samples built with different processing parameters were designed and prepared according to fractional factorial design. The bonding neck of each sample was then measured by using a scanning electron microscope(SEM)， and a theoretical model of the bonding neck was established. The results showed that the processing parameters have a certain effect on the sample’s bonding neck. If the printing speed is appropriately reduced or the extrusion temperature， extrusion width， layer thickness and filling rate are increased， the bonding neck will be increased， but the improvement effect is limited， which proves that the model is accurate and reliable.

Key words: fused filament fabrication(FFF); bonding neck; processing parameter; scanning electron microscope(SEM); experimental study

中图分类号:

TH114

贠超群，姜世杰，战阳，李常有. 过程参数对熔丝成型产品结合颈的影响[J]. 东北大学学报（自然科学版）, 2022, 43(9): 1263-1269.

YUN Chao-qun， JIANG Shi-jie， ZHAN Yang， LI Chang-you. Influence of Processing Parameters on the Bonding Neck of Fused Filament Fabrication Products[J]. Journal of Northeastern University(Natural Science), 2022, 43(9): 1263-1269.

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过程参数对熔丝成型产品结合颈的影响

Influence of Processing Parameters on the Bonding Neck of Fused Filament Fabrication Products

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