10" x 20" Brown & Sharpe #1020U, cylindrical grinder, 12" x1" x5" grinding wheel, #70522

SERIAL ............................................ 521-1020-253
MODEL ............................................. 1020U
SWING OVER TABLE .................................. 10"
DISTANCE BETWEEN CENTERS, NOMINAL ................. 20"
DISTANCE BETWEEN CENTERS, MAXIMUM ................. 22-3/4"
WHEELHEAD SPINDLE SPEEDS (3) ...................... 2100, 2400 & 2800 RPM
GRINDING WHEEL SIZE ............................... 12" X 1" X 5"
SWIVEL AT THE WHEELSLIDE .......................... 90 DEGREES EITHER WAY
WHEEL SPINDLE SWIVELS ............................. 90 DEGREES EITHER WAY
INFINITELY VARIABLE SPINDLE SPEEDS ................ 60 TO 600 RPM
HEADSTOCK SPINDLE NOSE TAPER ...................... A2-5"
HEADSTOCK SWIVELS EITHER SIDE OF ZERO ............. 90 DEGREES
INFINITELY VARIABLE TABLE SPEED ................... 3" TO 150" IPM
TABLE PER REV. OF HANDWHEEL:
SLOW .............................................. 0.1"
FAST .............................................. 1.5"
DWELL AT EACH OR ALTERNATE TABLE REV. ............. 0 - 2-1/2 SEC.
TABLE SWIVEL, SCALES FOR ANGULAR SETTING .......... 8-1/4 DEG.
SCALES-TAPER PER FT. .............................. 3-1/2" (25%)
MAX. TRAVEL OF WHEELSLIDE ......................... 5"
CROSSFEED HANDWHEEL GRAD. ......................... 0.00002"
AUTOMATIC CROSS FEED, REDUCTION IN DIAMETER
OR WORK @ EACH OR ALTERNATE REVERSALS ............ 0.0001" - .003"
HAND FEED PER REV. OF HANDWHEEL:
SLOW .............................................. 0.1"
FAST .............................................. 0.3"
TAILSTOCK SPINDLE TAPER ........................... #7 JARNO
TAILSTOCK SPINDLE TRAVEL .......................... 5/8"
AUTO INFEED OF WHEELHEAD @ TABLE REVERSALS
RIGHT OR LEFT END WHEEL MOUNTING
SWING DOWN INTERNAL GRINDING ATTACHMENT W/B & S I.D. GRINDNG SPINDLE
COOLANT SYSTEM