现代制造工程 ›› 2017, Vol. 438 ›› Issue (3): 45-50.doi: 10.16731/j.cnki.1671-3133.2017.03.008

• 增材制造 • 上一篇    下一篇

FDM成型维修工具件强度的工艺分析与优化

吴春炳, 唐力, 张志雄, 孙杨   

  1. 国防科技大学机电工程与自动化学院,长沙 410073
  • 收稿日期:2016-07-30 出版日期:2017-03-18 发布日期:2018-01-08
  • 作者简介:吴春炳,硕士研究生,研究方向为快速原型技术,CAD/CAM。
    唐力,副教授,研究方向为智能机械与数字化设计、快速原型技术。
    张志雄,教授,研究方向为智能机械与数字化设计、快速原型技术。
    孙杨,博士,研究方向为快速原型技术。
    E-mail:806002789@qq.com

Process analysis and optimization of repair tools strength manufactured by FDM

Wu Chunbing, Tang Li, Zhang Zhixiong, Sun Yang   

  1. College of Mechatronics and Automation,National University of Defense Technology,Changsha 410073,China
  • Received:2016-07-30 Online:2017-03-18 Published:2018-01-08

摘要: 采用熔融堆积成型(Fused Deposition Modeling,FDM)技术能够快速方便地完成维修工具件的成型。然而,直接成型的工具件往往存在强度不足的问题,因此有必要提升FDM成型件强度。以梅花扳手和呆扳手为例,研究影响FDM成型工具件强度的因素,对不同内部填充单元的维修工具件强度进行理论计算。设计分组实验,主要对填充率、填充形状和打印方向对工具件强度的影响进行研究。通过试验结果提出了达到更好性能指标的加工原则。

关键词: 快速成型, 维修工具, 成型强度, 熔融沉积制造

Abstract: In the wild,a large number of machines can′t be repaired due to the lack of maintenance tools.The repair tools can be manufactured rapidly by Fused Deposition Modeling(FDM) process.However,the strength of direct prototyping tools are not high enough to complete the repair works.It is necessary to investigate that how to improve the tools strength produced by FDM.Research the performance influence factor of repair tools such as plum wrenches and double-headed wrench stay manufactured by FDM,the strength of maintenance tools with different internal filling units was calculated.A experiment was designed to explore the influence of filling rate,type of filling units and print direction influence on tools strength.The design and process principle of FDM tools was presented to improve the characteristics of repair tools.

Key words: rapid prototyping, repairs tools, process strength, Fused Deposition Modeling( FDM)

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