基于CATIA航空标准件模板参数化建模方法研究
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摘要
在飞机设计中需要大量的航空标准件,为了提高航标件的设计效率,缩短研发周期,文中利用参数化设计的原理,建立零件参数化设计层次模型。通过创建三个航标件的模版,详细地介绍了针对系列化零件在CATIA中的参数化建模过程。结果表明:仅结构和尺寸驱动的零件模板,利用表格数据驱动模型的方法进行系列化建模,可以有效的提高零件设计效率;设计参数驱动的零件模板,通过公式求出未知设计参数,再利用表格数据驱动模型的方法实现参数化建模,对标准化、通用化特点的零件有着高效的自动化设计。
In order to improve the design efficiency and shorten development cycle of aviation standard parts,the hierarchical parametric design model of part was established based on the principle of parametric design. By creating the templates of three aviation standard parts,the parametric modeling process for serial parts in CATIA was introduced in detail. The results showed that the part template only driven by structure and size is modeled by the method of table data drives model,which can improve the design efficiency of the parts effectively. Designing the parameter-driven part template,unknown design parameters are obtained through formula,and the parametric modeling is realized by the method of table data driven model.Therefor the parts that are standardized and universal can be designed efficiently.
In order to improve the design efficiency and shorten development cycle of aviation standard parts,the hierarchical parametric design model of part was established based on the principle of parametric design. By creating the templates of three aviation standard parts,the parametric modeling process for serial parts in CATIA was introduced in detail. The results showed that the part template only driven by structure and size is modeled by the method of table data drives model,which can improve the design efficiency of the parts effectively. Designing the parameter-driven part template,unknown design parameters are obtained through formula,and the parametric modeling is realized by the method of table data driven model.Therefor the parts that are standardized and universal can be designed efficiently.
引文
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[2]陈靖芯,徐晶,陆国民,等.基于CATIA的三维参数化建模方法及其应用[J].机械设计,2003,20(8):48-50.
[3]沈燕辉,邹凌华,戴礼强,等.基于CATIA标准件参数化设计及标准件库建立[J].汽车工程师,2012(9):53-55.
[4]王晓友.基于CATIA的三维参数化建模方法及其应用[J].汽车零部件,2012(3):55-58.
[5]CAMBA J D,CONTERO M,COMPANY P.Parametric CAD modeling:Ananalysis of strategies for design reusability[J].Computer-Aided Design,2016,74:18-31.
[6]王永岗,杨利杰.CATIA三维参数化建模技术及其应用[J].机械工程师,2014(5):200-202.
[7]孙国栋.基于模型定义的三维参数化建模及数据管理技术[D].沈阳:沈阳理工大学,2012.
[8]李志学,李若松.CATIA实验教程[M].北京:清华大学出版社,2004.
[9]郭晶,赵广东.三维零件参数化建模设计[J].科技尚品,2015(12):28.
[10]濮良贵,陈国定,吴立言.机械设计第九版[M].北京:高等教育出版社,2012.