Development And Application Of Functional Modules Of Public Service Platform For Casting CAE Technology

Casting is the foundation of manufacture as well as the basic industry of nationaleconomy. Casting products are common in automobile industry、machine tools、aerospaceindustry、national defense and even in people’s daily life. The production process of casting isa complex systematic engineering. There is a variety of factors including equipment、staffquality and work environment, influences the quality of casting products. In order to producehigh-quality foundry goods, workers have to consult a number of relevant materials andcombine them with work experience. Thus, the computer technique、database technology andthe integration technology of CAD/CAE/CAM which well lower production costs and shortenproduction cycle are extensively applied in casting industry.This paper analyzes the present situation and the future trend of Chinese casting industry,the development and construction of public service platforms of CAE technology in China aswell as the current application of relevant database technology and the integration technologyof CAD/CAE/CAM. Moreover, this thesis according to the developed public service platformof casting CAE technique, putting forward the sand casting process system based on thecurrent and future development tendency of nodular cast iron. The improvement andexpansion of database technology in sand casting process of our team are also being discussedin the paper. In the construction of sand casting process, the paper is based on all kinds ofparameters which obtained from the analysis calculation of data in actual production. Inaddition, DELPHI XE2is the system development kit of the system and Microsoft SQLServer2008is the platform of system database. This system emphases the design and creationof forms of gating system module, feeder head module, analog result loaded module and thefault and prevention module of cast iron. In form design, there is also the writing of relativeprogram in order to complete the whole programming of the sand casting process system. Thenew established system not only stored a certain amount of empirical data but also have thefunction to calculate and correct relevant parameters in casting technique.Take a large-scale casting base plate for example, the sand casting process system will beused to settle the technological parameters in casting. Firstly, the system build3D model ofcomponent based on CATIA V5CAD module. Then, the system modifies the modelparameters of component through the settled casting technique parameters to build the3Dmodel of casting and the core box mode of sand casting. Secondly, the system applies thecasting CAE simulation software named Experto-ViewCast to simulate the process of moldfilling and freezing based on the simulation software of CAD. Then, the fault and prevention module of cast iron analyzes the analog result through the reference system. And the analyzedresult will optimize the casting technique. Finally, the system will conduct numericalcontrol(NC) machining simulation to the core box mode of sand casting, and then NC codewill be produced. At last, the system completes NC machining process. The research resultrealized the operating system and database of sand casting process system as well as theintegrate application of CAD/CAE/CAM in casting.