| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of repairing a one-piece bladed disk by using a build-up welding technology. <P>SOLUTION: The present invention relates to a method of repairing a one-piece bladed disk of a turbomachine having at least one damaged zone, by build-up of metal in the damaged zone, which comprises the steps of preparing the damaged zone, of building up the zone with metal and of re-work of the repaired zone. The method is characterized in that: the preparation step comprises the machining of the zone so as to obtain a defined profile; the build-up welding operation is carried out on a test piece, called a start-of-run test piece, having the defined profile, using a build-up welding machine, which is a laser-type machine and the operating parameters of which are preset; the quality of the test piece after build-up welding is checked; and, if the quality of the test piece corresponds to the acceptance criteria, the zone to be repaired is built up using the same machine without changing the operating parameters thereof. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
