2006-6-5 · Dressing diamond grinding wheels with diamond dressing rolls requires speed, and until now, on-line dressing-roll spindles running at 3,600 rpm were not enough for the job. Saint-Gobain''s MaxTorq dressing unit, however, delivers spindle speeds to 12,000 rpm through DC brushless motors that allow shops to dress the wheels at a rate of 18,000 ...
