基于参数化语言的3D打印构件机械性能数值模拟  

Mechanical properties numerical simulation of 3D printing components based on parametric language

作　　者：梅华平 李红丽 徐刚 熊巍[1] 李玉梅 MEI Huaping;LI Hongli;XU Gang;XIONG Wei;LI Yumei(School of Mechanical Engineering,Hubei Engineering University,Xiaogan 432000,CHN;National Engineering Laboratory of Fiber Optic Sensing Technology,Wuhan University of Technology,Wuhan 430070,CHN)

机构地区：[1]湖北工程学院机械工程学院,湖北孝感432000 [2]武汉理工大学光纤传感技术国家工程实验室,湖北武汉430070

出　　处：《制造技术与机床》2020年第9期102-105,共4页Manufacturing Technology & Machine Tool

基　　金：湖北省自然科学基金(2018CFC799);湖北省教育厅项目(B2018164)。

摘　　要：采用参数化语言的方法对3D打印成型过程中的温度场和热应力耦合场进行了分析,其中温度场的分析采用了单元生死法.分析结果表明:单元生死法可以有效解决3D打印增材制造技术的分析难题;3D打印技术会导致打印构件发生翘曲变形现象,必须通过合理优化打印参数提高打印质量.As a new technology with huge market potential,3D printing technology can integrally manufacture product with complex shape and internal fine structure to shorten production cycle and lower the cost of production.In this paper,the temperature field and thermal-stress coupling field in the process of 3D printing are analyzed by the method of parametric language,and the element birth death method is used to analyze the temperature field.The analysis results show that the element birth death method can effectively solve the analysis problem of 3D material increase manufacturing.As 3D printing technology will cause warpage and deformation of printing components,optimization of printing parameters must be adopted to increase printing quality.

关 键 词：3D打印 参数化语言 单元生死法 温度场 热-应力耦合 

分 类 号：TH14[一般工业技术—材料科学与工程]