Splines - Sharif

SplinesSplinesMott, Fig. 11-6qSplines can be thought of as a series of axial keyways with mating keys machined onto a are two major types of Splines used in industry: 1) straight-sided Splines , and 2) involute provide a more uniform circumferential transfer of torque to the shaft than a Splined shaft and HubShaft and External SplineSplineInternal Internal SplineSplineSpline Spline StandardsStandardsqANSI (R1982), Involute Splines , American National Standards , Metric Module InvoluteSplines, American National Standards Straight Tooth SplinesStraightStraight--Tooth Tooth Spline Spline GeometryGeometryqSAE straight-tooth Splines usually contain 4,6,10, or 16 dimensions are controlled by the fit needed for a particular , Fig. 11-4 StraightStraight--Tooth Tooth Spline Spline StrengthStrengthSplines have the same failure mechanisms as keys: 1) shear or 2) torque capacity per unit length of an SAE spline is based on a 1,000 psi bearing stress on the on the class of fit, a spline is able to accommodate axial movement along the shaft and still transmit (Continued)(Continued)()() = + = =+= += =8dDN1,000 TdD214dDN1,000 TdD21h4dD2d2D21 RhRN1,000T22T = Torque per unit lengthN = Number of teethD = Major spline diameterd = Minor spine diameterd = f (D) Torque Capacity CurvesTorque Capacity

Retaining rings are used on shafts to maintain the axial position of components. There are many types of retaining rings. In general, they may be classified as: 1) internal and 2) external. External Internal www.rotorclip.com

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