1. In this case the cam followers often operated hydraulic valves. 2. The valves are actuated by hydraulically adjusted rocker arms with roller cam followers . 3. In general a cam follower mechanism's energy is transferred from cam to follower. 4. While roller cam followers are similar to roller bearings, there are quite a few differences. 5. Sliding friction between the surface of the cam and the cam follower which rides upon it can be considerable. 6. The cam followers aid in noise reduction, dampened vibration, shock absorption and the carrying of axial load. 7. The cam followers were new style with a large rubbing surface in place of the old heavy mushroom shapes. 8. The valves are controlled by twin overhead camshafts through roller cam followers on finger rockers with hydraulic automatic lash adjusters. 9. :For reciprocating motion, there's a cam ( placed over the bolt ) with a vertical cam follower . 10. Now slightly different types of eccentric cam followers are also available in which energy is transferred from the follower to the cam.
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