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US 2013/0153548 A1Published application
Reopening of cooling-air bores using a nanosecond laser in the microsecond range
AssigneeSiemens Aktiengesellschaft
InventorsAndrea Massa, Rolf Wilkenhöner, Adrian Wollnik
Life of this patent
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Abstract
A process for reopening cooling-air holes by a laser in order to remove coat down is provided. A nanosecond laser is provided and used for reopening the holes, wherein pulse times between 1 μs and 20 μs and a pulse frequency between 20 kHz and 40 kHz provided by the nanosecond laser are used.
Claims10
A process for reopening cooling-air holes by a laser in order to remove coat down, comprising:
- providing and using a nanosecond laser, and
- opening holes with the nanosecond laser in order to remove coating material,
- wherein pulse times between 1 μs and 20 μs and a pulse frequency between 20 kHz and 40 kHz, provided by the nanosecond laser, are used.
Dependencies are inferred from the claim text.