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A cam follower, also known as a track follower, [1] is a specialized type of roller or needle bearing designed to follow cam lobe profiles. Cam followers come in a vast array of different configurations, however the most defining characteristic is how the cam follower mounts to its mating part; stud style cam followers use a stud while the yoke style has a hole through the middle.
Constant lead barrel cam in an American Pacemaker lathe. This cam is used to provide a repeatable cross slide setting when threading with a single-point tool. A cylindrical cam, or barrel cam, is a cam in which the follower rides on the surface of a cylinder. In the most common type, the follower rides in a groove cut into the surface of a ...
Cam-follower dwell mechanisms are used in pairs in sewing machines to operate the four motion feed dogs, with one cam moving the dog up and down, and the other cam moving the dog forwards and backwards. The cams in this application are usually phased 90 degrees apart allowing a pause in the up/down movement of the dog while it is being moved ...
Design: Barrel cams have a barrel-shaped surface, which is a variation of cylindrical cams. The cam follower moves along a track or groove on the curved surface. This converts the rotational motion into linear motion. Performance: Barrel cams can provide a high degree of control over the piston's motion, similar to cylindrical cams.
The shape of the contacting surfaces of the cam and follower determines the movement of the mechanism. In general a cam and follower mechanism's energy is transferred from cam to follower. The camshaft is rotated and, according to the cam profile, the follower moves up and down. Nowadays, slightly different types of eccentric cam followers are ...
A pair of opposed cams or cam surfaces connected to the steering column operate a transverse rocker shaft carrying the vehicle's steering arm. The point of difference was the use of purely rolling contact and not sliding contact in the meshing elements of a worm-and-follower steering gear. [1]