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CamToCircle1[cnum, locuspoint, {alpha, guess}, point, radius] models a cam surface with a circular follower.
• The locus of locuspoint defines the cam surface as a function of the symbol alpha (locuspoint must be defined as a function of alpha).
CamToCircle1 enforces that the surface of the cam profile lies tangent to a circle of specified radius centered at point. The circular follower lies on the left side of the cam profile if radius is positive, when traveling along the locus in the direction of increasing alpha.
CamToCircle1 constrains one degree of freedom.

CamToCircle1 generates two constraint equations and introduces one new variable, alpha, hence constraining one degree of freedom.
• A vector that is normal to the cam profile at the point of contact, and has length equal to radius, is set equal to the vector from the point of contact to the center of the circular follower; yielding two coupled constraint equations.
• See also:
CamToSphere1, SetConstraints, SysCon.

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