BRYANT "SUPER-PRECISION CENTER HOLE GRINDER
MODEL: 500 S/N: C-14228 NEW: 1982
WORKPIECE LENGTH CAPACITY: 2" TO 42"
CLEARANCE, TAILSTOCK CENTER TO COLUMN: 6.2"
VISE CAPACITY W/STANDARD JAWS: .060" TO 6"
CONE ANGLE OF CENTER HOLES GROUND: 60 DEGREES
MAXIMUM CENTER HOLE GROUND (LARGE END): 2"
MINIMUM CENTER HOLE GROUND (LARGE END): .050"
GRINDING SPINDLE SPEEDS (W/PULLEY CHANGE): 13,000 / 21,500 / 45,000 rpm
PLANETARY DRIVE SPEED: 400 RPM
ANGULAR GRINDING STROKE: .005" TO .100"
** PRODUCES GEOMETRICALLY CORRECT CENTER HOLES - A VITAL
REQUIREMENT FOR PRECISION O.D. GRINDING. IT I