Abstract: Based on the discrete theory and computer technology, numerical simulation method is presented for solving the wear problem. With a disk cam and roller follower system as the object, in which includes two wear contacts, the cam-roller’s outer surface contact and the core rod-roller’s inner surface contact, a simulation model is established for the mild wear mode, and a generally usable software is developed. An example is adopted showing that the wear lifetime prediction for components is realizable for cam-follower transmission systems by using the new method, rendering the wear application study entering the primary design phase of machine components.

Key words: Cam-follower system, Lifetime prediction, Numerical simulation, Wear