Research On An Improved Development Platform Of Injection Mold Virtual Prototype

Based on the characteristics of injection mold development, virtual prototype technology and the principle of software secondary development technology, the existing injection mold virtual prototype development platform was made further improvements. The injection mold virtual physical prototype and functioning prototype were improved to make it suitable for injection mold enterprises better, and improve the effectiveness and practicality of development platform. The main research work and achievements are as follows:(1)The injection mold development process which is based on the integration of computer aided technology has been analyzed, and combined with the principle of virtual prototyping technology and results of previous studies, the improved development process model of injection mold virtual prototype based on the CATIA platform was proposed.(2)Based on the improved development process model of injection mold virtual prototype and the theory of software engineering, the general framework, structure model and function model of the improved injection mold virtual prototyping platform were provided. The functional model of the improved injection mold virtual prototype was established by the IDEF0 method.(3)According to the precise design needs of the injection mold virtual prototype, the implementation of tolerance system based on CATIA platform was researched. By using the Microsoft Visual Studio, CAA, RADE development tools, and combined with Access Database, an injection mold virtual physical prototype tolerance design system based on CATIA software platform, with modules of dimension tolerance, form and position tolerance and injection mold special tolerance was developed, which has a function to achieve automatic inquiry and annotation of part tolerances.(4)Based on the consideration of mold precision problems which were influenced by stress and high temperature deformation in the working process, a more reasonable technical solution based on co-simulation of process and structural mechanics was proposed to make the analysis results be closer to the actual working conditions, and provide a more reliable scientific theory for mold design, so as to lay a solid foundation for achieving a more precise injection mold design.(5) Based on the special system custom design idea of the component platform, a main control module of the improved injection mold virtual prototype development platform which can realize the personalized custom function of the platform was developed by Microsoft Visual Studio, and a database management system was created in the main control module to make users achieve a database back-end management after obtaining administrator privileges, and maintain the relevant functional modules through the database.(6) Without loss of generality, the feasibility, correctness and validity of the technical route on this platform were verified through the development process of injection mold virtual prototype of a typical mobile phone shell part.