The Knowledge-based Design Of Structural Support Of Composites Component Mould And Die

Mould is an important equipment for forming composite materials.The design quality of the mould has direct influence on the forming quality of the component.The heavier mould will bring much inconvenience to the manufacturing,handling and use of the mould.It will also cause larger heat capacity,affect the forming accuracy.So,the mould quality should be reduced as much as possible under the rule that the structure meets the requirements of stiffness and strength.In order to solve the problem,this thesis carried out the study for the design of structural support of composites component mould and die.The following chapters show the main studies and results.This thesis puts forward the method to design the structural support of composites component mould by knowledge-based ways.The main idea is to design the mould in parametric ways,using the knowledge got for the design of the layout and vents.This chapter is focused on how to get the knowledge for the design of the ways of layout of the support plates.By using ABAQUS to analyze the stress and strain condition under the working condition,we can get the deformation amounts in the each region of the template.We add plates to the area with the maximum deformation and analyze again until the whole deformation meet the requirement.This chapter introduces the method to get knowledge for the design of the vents.We use OptiStruct to distinguish the optimized areas and the unoptimized areas.Then we do topology optimization on the support plates to seek the ways using the least materials during the manufacture.We developed the system of the knowledge-based design of the mold by using the method of parameterization.We join the knowledge into the design by parameter form.The system contains two modules,the parametric design part and the knowledge management part.