Patent ID: 9700986
Date: 2017-07-11
CPC Classifications: B23P,B24B,B24D,F01D,F05D,Y10T

Claim:
1. A method of machining a turbine shroud segment defining a circumferential portion of an annular shroud, the segment having an arcuate platform and two axially spaced retention elements extending radially outwardly from the platform, the method comprising: inserting an annular flange of a grinding wheel through a first gap defined between the retention elements and into a second gap defined between the platform and an axially extending, radially inwardly facing arcuate inner surface of one of the retention elements, the flange being supported by a leg of the grinding wheel, the leg extending radially inwardly from an annular inner surface of a body of the grinding wheel, the flange being inserted with the leg and body remaining out of contact with the shroud segment and with the flange remaining out of contact with the arcuate platform; grinding the arcuate inner surface of the one of the retention elements through contact with an annular outer grinding surface of the flange while the wheel rotates relative to the shroud segment, the leg and body remaining out of contact with the shroud segment and the flange remaining out of contact with the platform during grinding of the arcuate inner surface.