Abstract
The effect of the shape geometry error on the strength of a cylindrical joint with interference fit was investigated. The strength of the joint without a geometry error was compared with the strength of the joint in the presence of conicity, saddle shape, barrel shape, ovality. The calculation is carried out by the finite element method in Ansys. It is established that for small-bore diameters the strength of a cylindrical joint with interference decreases significantly, i.e. one-third of the initial one. The most unfavorable is a saddle shape, followed by ovality and conicity, and the barrel shape does not lead to a significant decrease. For large diameters, the influence of the shape geometry error on the strength of a cylindrical joint with interference is less significant. It is recommended tightened standardization of the shape geometry error in manufacturing of parts of critical joints with interference.
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