FIELD: mechanical engineering. SUBSTANCE: shafts are connected by stud screwed into blind threaded holes made in the ends of the shafts. The stud-and-shaft threaded connection is made with a guaranteed clearance, and the length of the threaded ends of the stud is no more than the diameter of their thread. An annular groove is made on the surface of the shafts, a centering bush is positioned in the groove. The groove may ba made both on the outer surface of the shafts and on the surfaces of the holes near their ends. The groove height is no more than its diameter. EFFECT: improved structure. 4 cl, 3 dwg
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