Method of forming cooling holes
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United States of America Patent
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-
Jan 15, 2002
Issued Date -
N/A
app pub date -
Jan 19, 2000
filing date -
Jan 19, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of forming cooling holes in a gas turbine engine component. The method includes the steps of forming a hole in the component extending between a first surface of the component and a second surface of the component opposite the first surface and supplying pressurized air to the hole from the second surface of the component. The method also includes the step of sensing a parameter representative of air flow through the hole. Further, the method includes enlarging the hole until the sensed parameter represents a preselected air flow rate through the hole.
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