Method of machining surfaces of rotor disc and grinding machine therefor
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United States of America Patent
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Jul 5, 2016
Grant Date -
Nov 7, 2013
app pub date -
May 3, 2012
filing date -
May 3, 2012
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Abstract
A method of manufacturing turned surfaces of a rotor disc of a gas turbine engine, including rotating the rotor disc about its central axis, rotating an abrasive grinding wheel having an outer grinding surface with a hardness greater than that of a material of the rotor disc, contacting the rotating wheel with at least one annular surface of the rotating disc, and sliding the rotating wheel along a curved cross-sectional profile of the at least one annular surface of the rotating disc.
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