圈上海文通大华 CAM Nomenclature(2) Reciprocating roller follower Trace point Total follower travel Maximum pressure Pitch circle angle Follower motion Cam shaft Pitch point 3/ 日aga circle Pitch point Prime v/ circle Pitch curve Cam profile 圈上泽夫道大学 CAM Nomenclature 口Base Circle It is the smallest circle,keeping the center at the cam center,drawn tangential to cam profile.The base circle decides the overall size of the cam and thus is fundamental feature. ▣Trace Point It is a point on the follower,and it is used to generate the pitch curve.Its motion describing the movement of the follower. ▣Pitch Curve It is the curve drawn by the trace point assuming that the cam is fixed,and the trace point of the follower rotates around the cam. 3030 CAM Nomenclature(2)  Base Circle It is the smallest circle, keeping the center at the cam center, drawn tangential to cam profile. The base circle decides the overall size of the cam and thus is fundamental feature.  Trace Point It is a point on the follower, and it is used to generate the pitch curve. Its motion describing the movement of the follower.  Pitch Curve It is the curve drawn by the trace point assuming that the cam is fixed, and the trace point of the follower rotates around the cam. CAM Nomenclature