Laser Truing and Dressing of Bronze-Bonded Diamond Grinding Wheel and Its High-Speed Grinding Performance

摘要

An acoustic-optic Q-switched YAG laser is newly developed for truing and dressing of bronze-bonded diamond grinding wheels through ablation in the radial direction. The laser ablation merges truing and dressing as a single process and can be easily controlled through an online closed-loop control system for various grinding processes, including high speed grinding. This study investigates the effect of laser truing and dressing on high-speed grinding processes in terms of grinding force, grinding temperature and workpiece surface finish. The laser truing and dressing are compared with the conventional methods. Discussion is provided to compare the laser truing and dressing against the conventional methods.