10" X 20" BROWN & SHARPE "MADE IN USA"
UNIVERSAL I.D./O.D. CYLINDRICAL GRINDER
** SUPER-PRECISION MACHINE, WITH INFEED HANDWHEEL
GRADUATED TO READ TO 20 MILLIONTHS OF AN INCH **
MODEL: 1020U S/N: 521-1020-231 NEW: 1976
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° EITHER WAY
WHEEL SPINDLE SWIVELS ................... 90° EITHER WAY
TABLE:
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°
SCALES-TAPER PER FT. .................... 3-1/2"
WHEELHEAD INFEED:
MAX. TRAVEL OF WHEELSLIDE ............... 5"
CROSSFEED HANDWHEEL GRAD. ............... 0.000020"
AUTOMATIC CROSS FEED, REDUCTION IN
DIAMETER OR WORK @ EACH OR
ALTERNATE REVERSALS .................... 0.0001" - 0.003"
HAND FEED PER REV. OF HANDWHEEL:
SLOW .................................... 0.1"
FAST .................................... 0.3"
WORKHEAD & TAILSTOCK:
INFINITELY VARIABLE SPINDLE SPEEDS ...... 60 TO 600 RPM
HEADSTOCK SPINDLE NOSE TAPER ............ A2-5"
HEADSTOCK SWIVELS EITHER SIDE OF ZERO ... 90°
TAILSTOCK SPINDLE TAPER ................. #7 JARNO
TAILSTOCK SPINDLE TRAVEL ................ 5/8"
APPROXIMATE WEIGHT ...................... 5,100 LBS
APPROX. DIMS ....................... 94"L-R x 66"D x 62.5"H
STANDARD FEATURES:
INFEED HANDWHEEL GRADUATED TO READ TO 0.000020"
HYDRAULIC TABLE TRAVERSE
AUTO INFEED OF WHEELHEAD @ TABLE REVERSALS
ADJUSTABLE TABLE DWELL
RIGHT OR LEFT END WHEEL MOUNTING
UNIQUE TO BROWN & SHARPE GRINDERS FEATURE
- DOUBLE SWIVEL WHEELHEAD:
THE WHEEL SPINDLE HEAD WHICH SUPPORTS THE
EXTERNAL & INTERNAL GRINDING SPINDLES CAN
BE SWIVELED TO EITHER SIDE OF ZERO.
AN ADDITIONAL SWIVEL THROUGH 90 DEGREES
IS PROVIDED AT THE WHEEL SLIDE. ANY COMPOUND
SETTING REQUIRED IN COMBINATION STRAIGHT
& TAPER OR DOUBLE TAPER GRINDING, O.D. OR
I.D., CAN BE MADE QUICKLY & ACCURATELY.
THE UNIVERSAL TURRET, WHICH SUPPORTS THE
WHEEL SPINDLE HEAD, PROVIDES FURTHER
ADJUSTMENT FOR CHANGE OF WHEEL LOCATION.
THE TURRET SWIVELS ON THE WHEEL SLIDE, AND
CAN BE LOCKED IN ANY OF FOUR POSITIONS.
EACH CHANGE MOVES THE WHEEL 2" ON THE
1020U MODEL. RIGHT HAND WHEEL MOUNTING
PROVIDES FOUR ADDITIONAL WHEEL POSITIONS.
DUAL DEAD/LIVE HEADSTOCK SPINDLE
WHEELHEAD MOTOR, 2 H.P./3/60/200-400 VOLTS
EQUIPPED WITH:
SWING DOWN INTERNAL GRINDING ATTACHMENT
BROWN & SHARPE I.D. GRINDNG SPINDLE
2-POINT REST
OTHER ACCESSORIES
COOLANT SYSTEM
MACHINE IS PRESENTLY WIRED FOR 3/60/208 VOLTS
LINK TO VIDEO: href="https://youtu.be/ZuiB-RHAgyY?si=Dk1JhkjbG4JBoYUB">https://youtu.be/ZuiB-RHAgyY?si=Dk1JhkjbG4JBoYUB
** EXCEPTIONAL CONDITION & APPEARANCE - ORIGINAL PAINT **
** INSPECT UNDER POWER IN OUR HARRISON, NJ WAREHOUSE **
FOR MORE INFORMATION: Call Andy at 973-497-7600