Analysis of the Pitch Deviation in Involute Splined Connections

The paper presents the measurement results of the pitch deviation for the selected involute splined connections applied in aircraft engines. The authors have stated that there is a lack of exact information on a load distribution in involute splined connections with this type of manufacturing error. Hence, the analysis of the influence of the pitch deviation in a two-dimensional model on the load distribution and stress state is presented. This model gives us an information on the load distribution coefficient in a cross-section of the involute splined connection which depends on torque, tooth pair stiffness and manufacturing accuracy of a part, ie. the pitch deviation.