As one of the core parts of aeronautic engine, turbine blade has increasingly complicated inner structure, which exceedingly obstacles the parting design of precise casting mould of turbine blade.

• 涡轮叶片是飞机发动机的核心部件之一,其内部结构日趋复杂,这给涡轮叶片精铸模具的分模设计带来了很大的困难。