42 Classification of cam mechanisms a By Modes of Input/Output Motion By the configuration of the follower ■ By shape of the can a By force and form closure a By arrangement of the follower a By type of motion constrain a By type of motion program4.2 Classification of Cam Mechanisms ◼ By Modes of Input/Output Motion ◼ By the configuration of the follower ◼ By shape of the cam ◼ By Force and form closure ◼ By arrangement of the follower ◼ By type of motion constrain ◼ By type of motion program