grain spacing

grain spacing

[′grān ‚spās·iŋ]
(design engineering)
Relative location of abrasive grains on the surface of a grinding wheel.
References in periodicals archive ?
Further, metalcasting facilities should be sure to use closed coat abrasives (abrasives with closer grain spacing) for harder metals like steel and iron and open coat abrasives for softer metals such as aluminum and brass.
Manufactured using Milacron's Engineered Grain Spacing (EGS) technology, the wheels provide free cutting, longer wheel life, lower power consumption, ease of dressing, and elimination of burn.
Altos contains an extruded ceramic grain with high length to diameter ratio to produce a wheel that is highly porous and permeable with optimum grain spacing.