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熔丝沉积制造中稳固低耗支撑结构生成

魏潇然 耿国华 张雨禾

魏潇然, 耿国华, 张雨禾. 熔丝沉积制造中稳固低耗支撑结构生成. 自动化学报, 2016, 42(1): 98-106. doi: 10.16383/j.aas.2016.c150231
引用本文: 魏潇然, 耿国华, 张雨禾. 熔丝沉积制造中稳固低耗支撑结构生成. 自动化学报, 2016, 42(1): 98-106. doi: 10.16383/j.aas.2016.c150231
WEI Xiao-Ran, GENG Guo-Hua, ZHANG Yu-He. Steady and Low Consuming Supporting for Fused Deposition Modeling. ACTA AUTOMATICA SINICA, 2016, 42(1): 98-106. doi: 10.16383/j.aas.2016.c150231
Citation: WEI Xiao-Ran, GENG Guo-Hua, ZHANG Yu-He. Steady and Low Consuming Supporting for Fused Deposition Modeling. ACTA AUTOMATICA SINICA, 2016, 42(1): 98-106. doi: 10.16383/j.aas.2016.c150231

熔丝沉积制造中稳固低耗支撑结构生成

doi: 10.16383/j.aas.2016.c150231
基金项目: 

国家自然科学基金 61373117

详细信息
    作者简介:

    魏潇然 西北大学博士研究生.2008年获得西北大学学士学位.主要研究方向为图形几何处理,3D打印技术.E-mail:wxran1987@163.com

    耿国华:张雨禾 西北大学博士研究生.2012年获得西北大学学士学位.主要研究方向为图形几何处理,3D打印技术.E-mail:zhangyuhe0601@126.com

    通讯作者:

    耿国华 西北大学教授.1978年获得西北大学学士学位.主要研究方向为计算机图形图像处理,可视化技术.本文通信作者.E-mail:ghgeng@nwu.edu.cn

Steady and Low Consuming Supporting for Fused Deposition Modeling

Funds: 

National Natural Science Foundation of China 61373117

More Information
    Author Bio:

    Ph. D. candidate at Northwest University. He received his bachelor degree from Northwest University in 2008. His research interest covers graphics geometry processing and 3D printing

    Ph. D. candidate at Northwest University. She received her bachelor degree from Northwest University in 2012. Her research interest covers graphics geometry processing and 3D printing

    Corresponding author: GENG Guo-Hua Professor at Northwest University. She received her bachelor degree from Northwest University in 1978. Her research interest covers graphics image processing and visualization technology. Corresponding author of this paper
  • 摘要: 熔丝沉积制造(Fused deposition modeling, FDM)是利用熔融塑料丝的一种3D打印技术,热塑料由喷嘴喷出逐层堆积完成打印.由于熔丝只能沉积在已存在物体的上层,因此需要构造支撑结构以支撑悬空部分.针对现有支撑结构生成算法中存在的或结构不稳固或耗材多的缺陷,提出一种以熔丝为支撑单位的树形稀疏支撑结构.与传统算法计算模型表面支撑区域不同,本算法计算每段熔丝需要支撑的区域,使支撑结构更契合熔丝沉积特点.算法还将支撑结构分为三类,将多约束优化问题分解,降低算法复杂度.实验结果表明,本文算法生成的支撑结构算法耗材少、支撑稳定.
  • 图  1  切面扫描路径

    Fig.  1  Scan path of a section

    图  2  FDM打印成型约束条件

    Fig.  2  FDM printing molding constraints

    图  3  熔丝与托盘倾角

    Fig.  3  The dip angle of fuse and printing platform

    图  4  悬臂受力分析

    Fig.  4  Bracket stress analysis

    图  5  模型不同区域支撑结构

    Fig.  5  The supporting structure at different regions of a model

    图  6  带支撑结构模型

    Fig.  6  The printing model with supporting

    图  7  第二类支撑结构中熔丝方向

    Fig.  7  The direction of the fuse in the second kind of supporting structure

    图  8  两熔丝间连接代价分析

    Fig.  8  Analysis of two fuse link cost

    图  9  两熔丝投影区域分析

    Fig.  9  Analysis of two fuse projection area

    图  10  本文算法生成支撑结构打印结果

    Fig.  10  Printing results dealt with our algorithm

    图  11  Makerware软件生成支撑结构打印结果

    Fig.  11  Printing results dealt with Makerware

    图  12  Meshmixer软件生成支撑结构打印结果

    Fig.  12  Printing results dealt with Meshmixer

    表  1  Meshmixer、Makerware及本文算法打印结果数据对比

    Table  1  Printing results comparison among Meshmixer,Makerware and our algorithm

    模型S(mm3) W(g)MeshmixerMakerware本文算法
    TP(s) WS(g) TA(s) TP(s) WP(g) TA(s) TP(s) WS(g) TA(s)
    Fandisk64×40×5223.35804.6710625.378662.811
    Element34×70×2915.34702.9112454.7514512.1519
    Umbrela50×50×498.72701.4884229450.788
    下载: 导出CSV
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出版历程
  • 收稿日期:  2015-04-20
  • 录用日期:  2015-09-23
  • 刊出日期:  2016-01-01

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