Engineering design is an art of compromise. To achieve a design goal — for example, a certain machine function — engineers select components based on several criteria, including functionality, ...

Plastic cam follower rollers help avoid design compromises. Engineering design is the art of compromise. Engineers typically select components by weighing criteria such as function, reliability, ...

A. Here you can see the relationships of base circle, lobe lift and valve duration. During times when a valve is in its closed position, follower (or lifter) travel is along the base circle surface of ...