Test model for a gas turbine combustor dome and method of fabricating

摘要

A method of fabricating a test model of a gas turbine engine combustor dome, and the test model produced thereby. The method entails individually stamping a plurality of dome wall segments (12) and first and second mounting band segments (22, 24). Each wall segment (12) comprises at least one cup (18) between radially inward and outward edges (14, 16) of the wall segment (12), and an opening (20) in the cup (18). At least one wall segment (12) and its two corresponding mounting band segments (22, 24) are placed on a fixture (30) that locates the opening (20) of the wall segment (12), locates the first and second mounting band segments (22, 24) at the radially-inward and outward edges (14, 16) of the wall segment (12), and orients the wall segment (12) to establish a dome angle of the fixtured dome assembly. The wall segment (12) and mounting band segments (22,24) are then joined while the fixtured dome assembly remains on the fixture (30) to form at least a unitary sector (10) of the test model.