熔丝成型薄板表面粗糙度理论模型与实验验证

doi:10.12068/j.issn.1005-3026.2021.07.011

东北大学学报（自然科学版） ›› 2021, Vol. 42 ›› Issue (7): 980-986.DOI: 10.12068/j.issn.1005-3026.2021.07.011

熔丝成型薄板表面粗糙度理论模型与实验验证

姜世杰，胡科，陈丕峰， SIYAJEU Yannick

(东北大学机械工程与自动化学院，辽宁沈阳110819)

修回日期:2021-01-07 接受日期:2021-01-07 发布日期:2021-07-16
通讯作者: 姜世杰
作者简介:姜世杰(1985-)，男，辽宁营口人，东北大学副教授.
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).

Theoretical Model and Experimental Verification of Surface Roughness of Fused Filament Fabrication Plates

JIANG Shi-jie， HU Ke， CHEN Pi-feng， SIYAJEU Yannick

School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China.

Revised:2021-01-07 Accepted:2021-01-07 Published:2021-07-16
Contact: JIANG Shi-jie
About author:-
Supported by:
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摘要/Abstract

摘要： 针对熔丝成型(fused filament fabrication， FFF)产品的表面质量缺陷问题，提出了一种FFF产品表面粗糙度的理论建模方法.以材料丝表面轮廓为研究对象，考虑样件表面的实际情况，分别建立了FFF产品垂直和平行于纤维方向的表面粗糙度理论模型;与此同时，利用激光显微镜完成了相关样件表面粗糙度的实验研究;通过对比理论分析与实验结果，验证了所建模型的正确性;理论模型的敏感性分析研究表明，增大挤出宽度或打印层厚度会增大FFF产品的表面粗糙度，而增大重叠区域宽度则会降低表面粗糙度.

关键词: 熔丝成型;表面粗糙度;表面轮廓;理论模型;实验测试

Abstract: Aiming at the surface quality defects of fused filament fabrication(FFF)products， a theoretical modeling method of the surface roughness of FFF products was proposed. Taking into account the actual conditions of the samples， the surface profile of the material filament was investigated， and the surface roughness theoretical models of FFF samples in two different directions(vertical and parallel to the fiber direction) were established respectively. At the same time， a series of corresponding experimental tests were performed using a laser microscope. Based on the comparison between theoretical and experimental results， the proposed model was verified. The sensitivity analysis of the theoretical model shows that increasing the extrusion width or printing layer thickness will increase the surface roughness of FFF products， while increasing the overlapping area width will decrease the surface roughness.

Key words: fused filament fabrication(FFF); surface roughness; surface profile; theoretical model; experimental test

中图分类号:

TH113.3

姜世杰，胡科，陈丕峰， SIYAJEU Yannick. 熔丝成型薄板表面粗糙度理论模型与实验验证[J]. 东北大学学报（自然科学版）, 2021, 42(7): 980-986.

JIANG Shi-jie， HU Ke， CHEN Pi-feng， SIYAJEU Yannick. Theoretical Model and Experimental Verification of Surface Roughness of Fused Filament Fabrication Plates[J]. Journal of Northeastern University(Natural Science), 2021, 42(7): 980-986.

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熔丝成型薄板表面粗糙度理论模型与实验验证

Theoretical Model and Experimental Verification of Surface Roughness of Fused Filament Fabrication Plates

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