面向压铸模浇道的变参数建模方法研究

摘要

针对压铸模浇道建模过程中遇到的几何特征重复生成时的繁琐性、操作过程的复杂性和设计参数的离散性等问题，提出以变参数为主导的浇道建模方法.该方法在浇道特征要求和实用技术基础上，通过对浇道变参数细节特征进行分析，以及浇道特征对金属溶液特性产生不同影响的研究，以UG8．0为研发平台并结合CAD技术，实现了压铸模浇道的参数化、系统化和标准化设计，开发出变参数压铸模浇道设计系统.该系统有效地实现了参数的集中处理，避免了用户的重复操作，缩短了浇道的设计周期，提高了设计精度.%Aiming at the problems which were combined with the cumbersome of repeated genera-tion of geometric characteristics,the complexity of operation and the discrete of design parameters during in the modeling of die casting,this paper proposed a modeling method with variable parameters as the dominant.Based on sprue’s feature requirements and practical technology,and through the ana-lyses of sprue’s variable parameter characteristics the impacts of sprue’s feature on the properties of metal solution were studied.Making UG8.0 as the research platform and combined with CAD technol-ogy,the parameterized,systematic and standardized design of die casting mould was realized to devel-op a variable parameters design system of die casting mold.The centralized processing of the parame-ters was effectively realized by this system,avoiding the repetitive work of designers,shorting thede-velopment cycle and improving the design accuracy.