复合材料发射箱的模具设计

MOULD DESIGN OF THE COMPOSITE LAUNCH BOX

针对复合材料发射箱产品大尺寸、高精度的技术特点,结合真空导入成型工艺整体成型、整体脱模的工艺特点,通过有限元分析计算,优化确定了拱门筋加辐板筋钢制模具设计方案。利用CAD/CAE技术进行发射箱模具设计及优化,采取变圆角设计解决模具脱模问题,成功制造了发射箱的样件,满足了产品设计技术要求,为大型长轴类复合材料产品的模具设计技术探索出了一套可行的技术方案。

This paper uses the unique mould design to slove the demoulding problem of the launch box. According to the technical features of composite launch box＇s large size and high precision,combined with the process characteristics of integral SCRIMP forming and demoulding,through the finite element analysis,the steel mould with arch door ribs and web ribs was designed and optimized. Using the CAD / CAE technology to design the launch box mould and taking variable fillet to solve the problem of demoulding,the prototype of the launch box was successfully manufactured and it had met the requirements of product design.Through those works,a feasible technological plan of the mould design technology for compsite products with large long axis structure was explored.