Tom Bishop, P.E.
EASA Senior Technical Support Specialist

When a shaft is in need of repair, often the first step is to determine the corrective method required. Econom­ics and best practices are typically sig­nificant factors in the decision-making process in selecting the method of repair. The types of shaft repairs that will be dealt with here are:  opposite drive end bearing journal, drive end bearing journal and a bent shaft. The objective is not to detail the repair processes, but to identify the most common methods appropriate to the types of repair and considerations associated with each method. Table 1 summarizes the methods for various load conditions.

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