Patent ID: 7594324

Claim:
A method of assembly of a turbomachine comprising at least a first module and a second module with a second shaft to be assembled by a bearing, said bearing comprising an outer ring shrink-fitted inside a journal integral with the first module and an inner ring integral with the second shaft, according to which the second module is to be assembled on the first module by engagement of the second shaft, with said inner ring, inside the journal comprising said outer ring, said method of assembly comprising the following steps: inserting the second module in the first module up to a determined distance such that said first and second modules are only partially assembled, centering the second shaft with respect to the journal, said centering being controlled based on measuring distance deviations with respect to a reference on the journal, expanding the journal by heating an outer surface of said journal after said inserting and centering steps, and after said step of expanding, displacing said second module inside said first module, said displacing being carried out in translation so as to complete the assembly of said first and second modules, wherein said displacing is started based on a predetermined temperature produced by said heating of the outer surface of the journal.