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扩压器是航空发动机压气机部件的比较典型的部件之一,此类零件气流流道高度控制是关键。由于流道高度公差小,钎焊在1038℃的真空炉中热变形不可避免,所以高度的最大最小值控制是整个零件控制的关键。
A diffuser is one of the more typical components of an aero-engine compressor component and the control of the height of the airflow passage of such components is critical. Due to the small height tolerance of the runner and the unavoidable thermal deformation in the vacuum furnace brazed at 1038 ℃, the control of the maximum and minimum height is the key to the control of the whole part.