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。
The improved design is increased in the fixed mold core, which change first parting into second parting and demould the inverted cone mandatorily.
该改进设计主要是在定模部分增加型芯，并将一次分型改成二次分型，再使倒锥部分实现强制脱模。
In accordance with the characteristics of 2-dimensional core pulling of product, the side parting surface and core pulling structure of mould was designed by means of comparison and analysis.
针对制品两面抽芯的特点，通过比较分析制定了模具的侧向分型与抽芯结构形式。
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