Abstract:

Based on the experimental optimal design for the experimental scheme, the laser graphic texturing was applied to process the grid bionic surface micromorphology on the roller surface. The experiment of  antifatigue capability of the roller was performed. The results show that the pitting ratio of all the roller specimens with the grid micromorphology had been decreased, while that of the ordinary roller had been increased. The contact fatigue spalling appeared on the ordinary roller surface. The antifatigue capability of the ordinary roller is much lower than that of the roller with micromorphology. The antifatigue capability of the roller had been improved to 150% by the grid bionic surface micromorphology.

Key words: grid bionic surface micro-morphology, laser graphic texturing, pitting ratio, anti-fatigue capability