Abstract
The stress-strain state (SSS) of the lock joint in a “dovetail-type” compressor disk is investigated. The effect of type of loading and geometric parameters on the distribution of stress intensity is established. Surfaces of elastic-stress concentration are obtained as a function of the relationship between nominal stresses and the slope of the groove. It is demonstrated that consideration of torsion is a determining factor in performing SSS calculations for the real operating conditions of the type of lock joint under consideration.
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