基于UG的铸钢件补缩系统的研究与开发

发布时间：2018-01-06 03:12

本文关键词：基于UG的铸钢件补缩系统的研究与开发　出处：《华中科技大学》2015年硕士论文　论文类型：学位论文

【摘要】：现代铸造企业大多遵循从铸造工艺CAD设计到铸造工艺CAE模拟,然后将CAE模拟的结果反馈到铸造工艺CAD中,从而优化CAD设计再进行CAE模拟这一闭环。直到今日,铸造工艺CAD设计仍然是企业铸造生产全过程的核心和基础,工艺设计中尤以铸造补缩系统的设计为关键,具体为浇冒口、补贴的设计。由于铸造工艺CAD设计和铸造工艺CAE模拟的分离,工艺设计人员往往需要在工艺设计和工艺模拟上耗费较多时间,这无疑极大地降低了铸造生产效率。本文通过在企业实地调研,了解到在实际生产中铸造三维CAD软件的诸多不足,在通用铸造三维CAD软件的基础上开发了一套基于参数化、模板技术的铸造补缩工艺系统,该系统兼顾了行业标准与厂家标准,以模块化的形式离散了实际铸造工艺设计的各个环节,高度模拟了实际生产时铸造工艺设计中的分型面、拔模、砂箱、补贴、冒口座、冒口设计等工艺细节,广泛运用数据库技术存储铸造标准参数及冒口关键尺寸和模数,提高了工艺设计效率。该系统基于三维建模软件UG,运用其二次开发工具UG/Open API及C++编程语言开发各工艺模块,使用了三维CAD二次开发中的相关技术,例如参数化设计、模板、装配、包容盒等技术,也运用到了一般程序开发技术,例如动态链接库技术、数据库技术、程序移植技术等。主要研究及工作内容有:建立常用冒口及企业冒口标准件库,建立相应的冒口关键尺寸及模数数据库,设计企业专用补贴,建立冷铁标准件库;基于最小包容盒算法设计砂箱;基于几何方法设计侧冒口截面曲线、自动生成侧冒口座;利用程序移植技术将该铸造补缩系统移植到Windows 64位平台,扩展了该系统的适应范围。本系统在满足通用铸造工艺CAD设计的同时,也满足了一些厂家在铸造补缩工艺专用上的要求,系统界面风格与UG保持一致,提升了用户体验。该铸造补缩工艺设计系统已经运用到实际生产中,用户反馈较好,能够辅助铸造工艺设计人员更好地进行工艺设计优化,提高了工作效率,给企业带来实效。
[Abstract]:The modern foundry enterprises mostly follow from the simulation of casting process CAD design to the casting process CAE, and then CAE simulation results back to the casting process in CAD, so as to optimize the CAD design and CAE simulation of the closed loop. Until today, the casting process CAD design companies are still casting core and foundation of the whole process of the design, especially in casting feeding system is the key technology in the design, specifically for the riser, subsidies design. Because of the casting separation process CAD design and casting process simulation of the CAE process, designers often need to spend more time in the process design and process simulation, which greatly reduces the efficiency of casting production. Through field research in enterprises to understand, many problems of casting 3D CAD software in the actual production, developed a set of parameters based on common casting based on 3D CAD software, casting template technology The feeding process system, the system considers the industry standards and industry standards, in a modular form of discrete links the actual casting process design, simulates the actual production of casting types in the process design, draft, sand box, a riser, riser subsidies, design details of the process, widely used the database storage technology standard parameters and casting riser size and key module, improve the efficiency of process design. The system of 3D modeling software based on UG, using the second development tool UG/Open API and C++ programming language development process module, the 3D CAD two times in the development of related technologies, such as parametric design, template assembly box, etc, are also applied to the process of the development of technology, such as dynamic link library technology, database technology, Porting Technology. Main research work and contents are: the establishment of common risers and enterprises Riser industry standard parts library, the establishment of riser key dimensions and corresponding database module design, enterprise special subsidies, the establishment of cold iron standard parts library; minimum bounding box algorithm design based on geometric design method of sand box; the side riser section curve based on the automatic generation of a program using side riser; transplantation technology the casting feeding system to transplant Windows 64 platform, expands the applied range. This system can meet the general casting process CAD design at the same time, also meet some manufacturers in the casting shrinkage process of special requirements of the system, the interface style is consistent with UG, enhance the user experience. The casting shrinkage process design system has been applied to the actual in the production of user feedback is good, can assist the design of foundry technology personnel to better carry out the optimization of process design, improve work efficiency, bring tangible results.

【学位授予单位】：华中科技大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TG260

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