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基于GB/T 24734的三维自动标注

安恒 闫光荣 雷毅

安恒, 闫光荣, 雷毅等 . 基于GB/T 24734的三维自动标注[J]. 北京航空航天大学学报, 2012, (3): 416-421.
引用本文: 安恒, 闫光荣, 雷毅等 . 基于GB/T 24734的三维自动标注[J]. 北京航空航天大学学报, 2012, (3): 416-421.
An Heng, Yan Guangrong, Lei Yiet al. Automatic dimensioning of 3D model based on GB/T 24734[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 416-421. (in Chinese)
Citation: An Heng, Yan Guangrong, Lei Yiet al. Automatic dimensioning of 3D model based on GB/T 24734[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 416-421. (in Chinese)

基于GB/T 24734的三维自动标注

基金项目: 国家863高技术研究发展计划重点资助项目(2009AA043302)
详细信息
  • 中图分类号: TP 391.72

Automatic dimensioning of 3D model based on GB/T 24734

  • 摘要: 结合制造企业对三维CAD零件尺寸自动标注的需求,探讨了以国标GB/T 24734为依据的在CAD系统中实现三维尺寸自动标注的技术.设计并实现了三维自动标注的算法,详细阐述了其相关的技术.该算法涉及零件基准识别、特征简化、表面分组、垂向投影标注以及零件特征还原等一系列技术.其中,特征简化和还原主要涉及特征和草图级别的倒角、圆角及阵列操作.为了便于尺寸的布局和识别,采用了表面分组和垂向投影标注的方法来对零件进行分解.以CAXA实体设计软件为平台,实现了上述算法,开发了自动标注模块,并验证了算法的可行性.

     

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出版历程
  • 收稿日期:  2011-01-20
  • 网络出版日期:  2012-03-30

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