External datum system using core locating holes and film hole positioning method

External datum system using core locating holes and film hole positioning method

  • CN 101,099,992 B
  • Filed: 07/05/2007
  • Issued: 09/05/2012
  • Est. Priority Date: 07/05/2006
  • Status: Active Grant
First Claim
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1. method that the hole is provided on the turbogenerator structure may further comprise the steps:

  • A) cast out the locating hole that extends through structural outer surface;

    B) machining fenestra on outer surface is handed over itself and locating hole and is passed through, and said fenestra stays open,In a single day wherein, be included in the interior step of casting mold, in step a), remove alignment pin, just form locating hole with the alignment pin alignment core.

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