Every machine has a certain working life. It depends on the wearing parts. In terms of pellet machines, the wearing parts include roller, die (ring die or flat die), bearing, and gearbox, etc. the working life of a ring die is 800-1200 hours, a flat die is 600-800 hours, and a roller is around 1000 hours. The working life is determined by the product quality but also influenced by your using habits. Proper use and regular maintenance can prolong the working life of a pellet machine. ...