基于语义的压铸模浇道建模方法研究

doi:10.3901/JME.2018.09.224

机械工程学报 ›› 2018, Vol. 54 ›› Issue (9): 224-232.doi: 10.3901/JME.2018.09.224

• 数字化设计与制造 • 上一篇

基于语义的压铸模浇道建模方法研究

董玉德¹, 杨光辉¹, 朱冠群¹, 凌乐舒²

1. 合肥工业大学机械与汽车工程学院合肥 230000;
2. 柳凌软件开发有限公司苏州 215000

收稿日期:2017-05-05 修回日期:2017-12-16 出版日期:2018-05-05 发布日期:2018-05-05
通讯作者: 董玉德(通信作者),男,1966年出生,博士,教授。研究方向为计算机辅助设计(CAD/CAE/PDM)。E-mail:dydjiaoshou@126.com
作者简介:杨光辉,男,1992年出生。研究方向为数字化设计与制造。E-mail:yangguang9236@163.com;朱冠群,男,1991年出生。研究方向为数字化设计与制造。E-mail:773658446@qq.com
基金资助:
国家自然科学基金资助项目（51775159）。

Research on the Modeling Method of Die Casting Channel Based on Semantics

DONG Yude¹, YANG Guanghui¹, ZHU Guanqun¹, LING Leshu²

1. School of Mechanical and Automotive Engineering, Hefei University of Technology, Hefei 230000;
2. Liuling Software Development Co., Ltd., Suzhou 215000

Received:2017-05-05 Revised:2017-12-16 Online:2018-05-05 Published:2018-05-05

摘要/Abstract

摘要： 为解决复杂压铸件浇道系统生成繁琐、关联性差，以及在建模过程中设计信息易产生随机变异和理解偏差等问题，提出一种以语义为主导的3D建模方法，定制"三层参数和二级语义映射"机制，实现几何信息与设计意图契合统一；另外，借鉴压铸模知识原理，将浇道复杂零部件做结构、功能上的区别统一，抽象为多语义类，各类按设计优先级高低细分为多语义单元，进而构建出浇溢语义模型库。以上述理论为基础，结合拓展参数化设计技术，以UG/NX为开发平台，开发出浇道设计系统。实例分析表明，该建模方法使得设计者能够从语义层直观编辑浇道特征，通过调用修改接口实现模型驱动，在对诸多复杂压铸件模具设计中具有良好的精确性、高效性及广泛的自适应性，能有效地缩短开发周期。

关键词: 参数化, 浇注系统, 压铸模, 语义

Abstract: To deal with complex production and poor correlation during the runner system of complex die casting, as well as the random variation and understanding deviation of design information happened in the process of modeling, a method of semantic oriented 3D modeling is proposed, three layer parameters and two semantic mapping mechanism are customed to realize the geometric information and design intention agreement. In addition, the complex runner constituents are distinguished from the structure as well as function and then abstracted into semantic categories with the aid of knowledge in die casting.After that the units are subdivided into several semantic elements according to the design priority level, and then the model base of the overflow semantic model is constructed. Based on the above theory, combine with the expansion of the parametric design technology and make UG/NX as development platform to develop the runner system design. The example analysis shows that this modeling method can make designers edit runner features from semantic layer visual, drive the implementation model by calling the modified interface. It has good accuracy, high efficiency and wide adaptability when deal with complex die casting die design, and also can shorten the development cycle effectively.

Key words: die casting mould, parameterize, runner system, semantics

中图分类号:

TP391

董玉德, 杨光辉, 朱冠群, 凌乐舒. 基于语义的压铸模浇道建模方法研究[J]. 机械工程学报, 2018, 54(9): 224-232.

DONG Yude, YANG Guanghui, ZHU Guanqun, LING Leshu. Research on the Modeling Method of Die Casting Channel Based on Semantics[J]. Journal of Mechanical Engineering, 2018, 54(9): 224-232.

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基于语义的压铸模浇道建模方法研究

Research on the Modeling Method of Die Casting Channel Based on Semantics

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