SCIENCE AND TECHNOLOGY ENGLIAH FOR MECHANICAL ENGINEERING Plate cam followers may be radial, in which case the centerline of the follower intersects with the axis of rotation of the cam; offset when this is‖ofet偏 not the case, or swinging, when the follower is hinged around a point‖ hinge铰接 outside the cam's surface. so that the point of contact describes a circular arc The point of contact between cam and follower may be in the shape of a point a roller. or a flat or rounded surface Almost all followers are spring-loaded to make them follow the cam contourSCIENCE AND TECHNOLOGY ENGLISH FOR MECHANICAL ENGINEERING Plate cam followers may be radial, in which case the centerline of the follower intersects with the axis of rotation of the cam; offset when this is not the case, or swinging, when the follower is hinged around a point outside the cam's surface, so that the point of contact describes a circular arc. The point of contact between cam and follower may be in the shape of a point, a roller, or a flat or rounded surface. Almost all followers are spring-loaded to make them follow the cam contour. offset 偏心 hinge 铰接