B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 26/38 (2006.01) B23K 26/08 (2006.01)
Patent
CA 2613938
Methods are provided of forming a plurality of fan-shaped effusion holes (106, 702, 704) on a combustor (100, 602) having a surface (104), each hole (106, 702, 704) having an outlet (122) on the combustor surface (104). The method may include rotating (504) the combustor relative to a laser beam, and positioning the combustor to a first position where the laser beam (610) is at a first predetermined angle relative to the combustor surface (104). The laser beam is pulsed (506) at the combustor surface to form a first plurality of trepan cuts. The first predetermined angle is adjusted (508) to a second position where the laser beam (610) is at a second predetermined angle relative to the combustor surface. The laser beam (610) is pulsed (510) at each trepan cut of the first plurality of trepan cuts, to thereby form a cut for at least a portion of the fan shape of each effusion hole outlet (122), wherein each cut overlaps a trepan cut of the first plurality of trepan cuts.
Dudebout Rodolphe
Flamand Sossity A.
Frye Lowell
Kuhn Terrel E.
Woodcock Gregory O.
Dudebout Rodolphe
Gowling Lafleur Henderson Llp
Honeywell International Inc.
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