The teeth fit on the sides, providing high precision and strength, often self-centering.
The standard primarily covers two types of fits for 30-degree splines: Ansi B92.1a-1976
Under load, the involute profile forces the mating parts into a perfectly centered position. The teeth fit on the sides, providing high
The "a" addendum (and subsequent 'b' additions) was designed to enhance the capabilities of the original B92.1-1970 standard. Key improvements included: The teeth fit on the sides