Invention Grant
US09029729B2 Reopening of cooling-air bores using a nanosecond laser in the microsecond range
有权
在微秒范围内使用纳秒激光器重新打开冷气孔
- Patent Title: Reopening of cooling-air bores using a nanosecond laser in the microsecond range
- Patent Title (中): 在微秒范围内使用纳秒激光器重新打开冷气孔
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Application No.: US13713100Application Date: 2012-12-13
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Publication No.: US09029729B2Publication Date: 2015-05-12
- Inventor: Andrea Massa , Rolf Wilkenhöner , Adrian Wollnik
- Applicant: Andrea Massa , Rolf Wilkenhöner , Adrian Wollnik
- Applicant Address: DE München
- Assignee: Siemens Aktiengesellschaft
- Current Assignee: Siemens Aktiengesellschaft
- Current Assignee Address: DE München
- Priority: EP11193809 20111215
- Main IPC: B23K26/388
- IPC: B23K26/388 ; B23K26/38 ; B21D53/78
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.
Public/Granted literature
- US20130153548A1 REOPENING OF COOLING-AIR BORES USING A NANOSECOND LASER IN THE MICROSECOND RANGE Public/Granted day:2013-06-20
Information query
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