how does a pear shaped cam work
Pear-shaped cam. The pear shape of this cam means that for half the cycle, the follower will dwell. Then, as the pointed part of the cam approaches, the follower is pushed up (rises), then, as the point passes, falls and dwells-and the cycle starts again.Your web browser does not have JavaScript switched on at the moment.he pear shape of this cam means that for half the cycle, the follower will dwell. Then, as the pointed part of the cam approaches, the follower is pushed up (rises), then, as the point passes, falls and dwells-and the cycle starts again.