
325Modern Abrasive Processes
Material removal rate, workpiece accuracy, surface roughness, and nozzle
wear are inuenced by the size and distance of the nozzle, composition,
strength, size and shape of abrasives, ow rate, and composition, pressure,
and velocity of the carrier gas. The material removal rate is mainly depen-
dent on the ow rate and the size of abrasives. Larger grain size produces
greater removal rates.
The typical material removal rate is 16.4 mm
3
/min when cutting glass, and
for metals, it varies from 1.6 to 4.1 mm
3
/min. For harder ceramics, cutting
rates are about 50% higher than those for glass. The minimum width of cut
is 0. ...