Grinding characteristics of engineering ceramics in high speed regime

This paper summarises the high speed grinding characteristics of engineering ceramics. The performance in high speed grinding was compared with that of conventional speed grinding. Normal and tangential grinding forces and Acoustic Emission (AE) energy were measured to characterise the material removal characteristics of five polycrystalline ceramics. It was found that the microstructure and properties of the ceramic materials have significant influence on the removal and formation of their ground surfaces. Experimental results also demonstrated that grinding-induced vibration and coolant supply in high speed grinding of engineering ceramics are critical factors for achieving a satisfactory grinding performance