Investment Casting Technology forStatic Blade of High Pressure Cylinder of 200 MW Turbine

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Investment Casting Technology forStatic Blade of High Pressure Cylinder of 200 MW Turbine
Issue 2, (1999)
Published： 1999 ，
DOI：

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[1]高亚龙,孙勤.200MW汽轮机高压缸静叶的精铸工艺[J].特种铸造及有色合金,1999(02):32-34.

Gao YalongSun Qin. Investment Casting Technology forStatic Blade of High Pressure Cylinder of 200 MW Turbine. [J]. Special Casting & Nonferrous Alloys (2).(1999)
[1]高亚龙,孙勤.200MW汽轮机高压缸静叶的精铸工艺[J].特种铸造及有色合金,1999(02):32-34. DOI：

Gao YalongSun Qin. Investment Casting Technology forStatic Blade of High Pressure Cylinder of 200 MW Turbine. [J]. Special Casting & Nonferrous Alloys (2).(1999) DOI：

通过合理设计模具结构，选择适宜加工手段，为这种三维空间造型、并附叶冠的叶片，制作出了方便、适用、尺寸精度极高的模具；通过适宜的热加工手段，有效地控制了变形，并设制了适宜的加工、抛磨、装配的处理过程，保证了整圈出口面积偏差在±１％范围内，使电厂装机效果超过了设计目标。

The convenient

suitable and high precision die was made

by means of properly designing die structure and pertinently selecting machining methods

for the blade with shroud in three dimensional moulding.Using proper hot working methods

the deformation was controled.The appropriate processes were designed for machining

polishing

and assembling.It was ensured that the tolorances of the whole circular outlet area ranged less than 1%

so that the assembly effect in power plant was better than that of the expected goal.

静叶片精铸CADCAM

Static BladeInvestment CastingCADCAM

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