THREE-LINK SPATIAL CAM-TYPE SINE GENERATOR

Side cam 1 rotates about fixed axis y-y and has plane working surface a whose normal k makes the angle β with axis y-y. Follower 2 slides in fixed guide C whose axis z-z is parallel to axis y-y. Follower 2 carries ball B in holder d. When cam 1 is turned through the angle α, the point of contact of ball B with surface a is displaced the distance y=R*tan(β)sin(α) where R is the distance between axes y-y and z-z. Thus, the displacement of follower 2 is proportional to the sine of angle α, the angle of rotation of cam 1.
$3119$SmC,MO$