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Good quesion!

My understanding of an "invalute" is that it is the profile that is swept out by one end of a circular segment as it is straightened out. It is typically used in gear design as the invalute profile for a gear tooth ensures that the pressure angles, and thus the transmitted torque remains constant as each tooth meshes

Author: JRK

Hi phaniraj..
U can make use of Functions/knolwdge adviser to create funciton spline.
A funciton spline is one which is genrated thro' a mathematical expression.
If u make us clear what kind of involute ur looking at, possibly we can develop mathematical expression for that.
regards
gp


Author: g.prasad