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。
Resin sand mould was adopted with precoated sand core. The upper and bottom half boxes used horizontal pouring design with box middle line as parting face.
采用树脂砂砂型、覆膜砂砂芯，上、下两个箱体均采用平做平浇的工艺方案，并选取箱体中线为分型面。
Resin sand mould was adopted with precoated sand core. The upper and bottom half boxes used horizontal pouring design with box middle line as parting face.
采用树脂砂砂型、覆膜砂砂芯，上、下两个箱体均采用平做平浇的工艺方案，并选取箱体中线为分型面。
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