期刊文献+

高速机车风挡玻璃格栅模设计关键技术研究 预览

The Key Technology of Lattice Mold Design of Windshield Glasses in High-Speed Train
在线阅读 下载PDF
收藏 分享 导出
摘要 作为一种品种多而批量小的热弯成型曲面夹层玻璃,高速机车风挡玻璃要满足气动性、可视性和安全性等要求,模具设计是缩短研发周期和降低研发成本的关键技术之一。从精度、重量和成本三方面对比分析了实心模、空心模和格栅模,选格栅模为热弯成型模具。基于通用CAD平台的设计方式,导致格栅模的设计工作具有较高的复杂度和重复度。为了提高设计效率和设计质量,首先,在考虑热弯成型工艺的基础上,提出并实现格栅模基平面的确定和转正方法,给出方法的流程图和具体数学公式,以及实例和数据。其次,通过输入起止位置和型线数目实现型线自动提取、编号和记录,规范型线提取流程,给出型线提取实例。最后,基于上述关键技术开发的专用设计软件,成功应用于北京明盾技术有限公司系列高速机车风挡玻璃研制,给出了格栅模和风挡玻璃的实例,初步验证了方法的有效性和软件的实用性。 As one kind of surface laminated glasses with thermal bending process in multiple species and small batch, the windshield glasses in high-speed train need to meet the requirements of aerodynamics, visuality and security. The mold design is one of the key technologies to shorten the development cycle and the cost. The lattice mold is preferred to the solid mold and the frame mold comparing with tolerance, weight and cost. The means of lattice mold design based on the general CAD software, leads to high complexity and repeatability. To enhance the designing efficiency and quality, firstly, the approach to calculate and adjust the basic plane is proposed, elaborated by the chart and exemplified by the example. Secondly, the process to get the mold curves is standardized by inputting the boundary position and the numbers. Thus the mold curves are serialized and saved. Lastly, including the functions of calculating the bending distance and inquiring the corner points, the special software is developed based on the proposed approach, applied by the Beijing MingDun technology Ltd. The pictures of the lattice mold and the corresponding windshield glasses are given, which verify the practicability and effectiveness of the proposed approach and the developed software preliminarily.
作者 宋玉旺 杨昌昊 石晓飞 席平 Song Yuwang[1] Yang Changhao[2] Shi Xiaofei[3] Xi Ping[3]
出处 《图学学报》 CSCD 北大核心 2014年第3期共9页 Journal of Graphics
基金 中央高校基本科研业务费资助项目
关键词 格栅模 风挡玻璃 曲面 几何变换 高速机车 lattice mold windshield glasses surface geometric transformation high-speed train
  • 相关文献

参考文献14

  • 1王东屏,何正凯,李明高,兆文忠.动车组气动阻力降阻优化数值研究[J].铁道学报,2011,33(10):15-18. 被引量:15
  • 2Wang Fusheng,Yue Zhufeng. Numerical simulation of damage and failure in aircraft windshield structure against bird strike[J].Materials and Design,2010,(02):687-695. 被引量:1
  • 3Grimaldi A,Sollo A,Guida M,Marulo F. Parametric study of a SPH high velocity impact analysis-A birdstrike windshield application[J].Computers & Structures,2013.616-630. 被引量:1
  • 4Heimbs S. Computational methods for bird strike simulations:A review[J].Computers & Structures,2011,(23-24):2093-2112. 被引量:1
  • 5于明,刘永寿,李磊,岳珠峰.基于可靠性的飞机风挡抗鸟撞优化设计[J].航空制造技术,2012(11):93-95. 被引量:1
  • 6王文智,万小朋,郭葳.民机风挡结构抗鸟撞仿真分析与设计[J].西北工业大学学报,2009(4):481-485. 被引量:4
  • 7黄创盛,姚进,Chuang-sheng.飞机风挡玻璃弯曲成形回弹数值模拟[J].机械设计与制造,2010(12):183-185. 被引量:3
  • 8Hinke L,Pichler L,Pradlwarter H J,Mace B R Waters T P. Modeling of spatial variations in vibration analysis with application to an automotive windshield[J].Finite Elements in Analysis and Design,2011,(01):55-62. 被引量:1
  • 9Xu Jun,Li Yibing,Chen Xi,Yan Yuan Ge Dongyun Zhu Mengyi Liu Bohan. Characteristics of windshield cracking upon low-speed impact:Numerical simulation based on the extended finite element method[J].COMPUTATIONAL MATERIALS SCIENCE,2010,(03):582-588. 被引量:1
  • 10Timmel M,Kolling S,Osterrieder P,Du Bois P A. A finite element model for impact simulation with laminated glass[J].International Journal of Impact Engineering,2007,(08):1465-1478. 被引量:1

二级参考文献182

共引文献43

投稿分析

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部 意见反馈