SPLINES AND SERRATIONS - Autodesk

2126 INVOLUTE SP LINESSPLINES AND SERRATIONSA splined shaft is one having a series of parallel keys formed integrally with the shaft andmating with corresponding grooves cut in a hub or fitting; this arrangement is in contrast toa shaft having a series of keys or feathers fitted into slots cut into the shaft. The latter con-struction weakens the shaft to a considerable degree because of the slots cut into it and con-sequently, reduces its torque-transmitting shafts are most generally used in three types of applications: 1) for couplingshafts when relatively heavy torques are to be transmitted without slippage; 2) for trans-mitting power to slidably-mounted or permanently-fixed gears, pulleys, and other rotatingmembers; and 3) for attaching parts that may require removal for indexing or change inangular having straight-sided teeth have been used in many applications (see SAE Paral-lel Side SPLINES for Soft Broached Holes in Fittings).

diameter must clear the specified form diameter and thus do not need any additional con- ... Basic Space Width is the basic space width for 30-degree pressure ang le splines; half the ... cle of the external spline or the inside circle (to oth tip circle) of the internal spline.

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  Autodesk, Clear, Spline, Inside, Width, Splines and serrations, Serrations

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