A base circle radius equals the distance from the center of a shaft to the center of a follower wheel at its lowest position.

Question

Quizplus · Accepted Answer

The base circle radius is the radius of the imaginary circle that the follower wheel would roll on if it were to roll without slipping on the base circle of the cam. The distance from the center of the shaft to the center of the follower wheel at its lowest position is also the radius of the base circle.

A Base Circle Radius Equals the Distance from the Center