Reference Number: 145290

BROWN & SHARPE "UNIVERSAL" GRINDING MACHINE
 
 ** FOR TOOL & CUTTER WORK, AS WELL 
    AS O.D. CYLINDRICAL GRINDING **
 
 ** ULTRA HIGH PRECISION MACHINE 
    WITH HYDROSTATIC WORKHEAD, 
    VERY UNUSUAL & DESIREABLE SET-UP **
 
 MODEL:13H     S/N:525-13-2487     MFG.:1976
 
 CAPACITY:
 GRINDS WORK UP TO:.................................... 8" DIAMETER
 GRINDS CYLINDRICAL WORK UP TO:........................ 15" 
 DISTANCE BETWEEN HEADSTOCK AND FOOTSTOCK CENTERS:..... 24"
 MIN/MAX DISTANCE CENTERLINE OF WORK TO
  CENTER OF WHEEL SPINDLE:.................... 2.25"/12.5"
 MIN/MAX DISTANCE CENTER OF WHEEL SPINDLE
  TO TOP OF TABLE:.......................... 3.75"/12.125"
 
 WHEELHEAD
 GRINDING WHEEL SIZE ............... 7" DIA X 1/2" WIDE X 1-1/4" BORE
 (3) GRINDING WHEEL SPEEDS:.......... 2500, 3600 & 5150 RPM
 WHEELHEAD VERTICAL TRAVEL:.......................... 8-3/8"
 WHEELHEAD SWIVELS, LEFT AND RIGHT:............ 110 DEGREES
 SPINDLE SLIDE TRANSVERSE MOVEMENT:................. 10-1/4"
 SWIVEL TABLE
 WORKING SURFACE:.......................... 6-1/8" X 41-5/8"
 ANGULAR SETTINGS TO LEFT AND RIGHT:............ 90 DEGREES
 FINE SCREW ADJUSTMENT FOR SETTING 
  TAPERS UP TO:................................ 3" PER FOOT
 DISTANCE FROM FLOOR TO TOP OF TABLE:................... 39"
 TABLE TRAVEL:.......................................... 18"
 TABLE TRAVEL PER REV. OF HANDWHEEL:..1/4" SLOW, 6-1/4" FAST
 
 HEADSTOCK
 SWIVELS COUNTERCLOCKWISE:........................ 45 DEGREES
 INFINITELY VARIABLE SPINDLE SPEEDS:............ 80 - 800 RPM
 
 CROSSFEED:
 HANDWHEEL GRADUATIONS READ TO:........................ .001"
 SMALL HANDWHEEL FOR FINE FEED READS TO:.............. .0001"
 
 FOOTSTOCK
 SPINDLE TAPER:........................... #7 BROWN & SHARPE
 
 
 APPROXIMATE WEIGHT:................................ 2950 LBS
 APPROXIMATE FLOOR SPACE ...............74" L X 57" W X 64" H
 
 
 EQUIPPED WITH:
 UNIVERSAL TABLE, WORKHEAD & WHEELHEAD
 DOUBLE ENDED WHEEL SPINDLE WITH ANTIFRICTION SEALED BEARINGS 
  AND (2) 7" DIAMETER WHEEL GUARDS
 SONY #LU10A TWO AXIS DIGITAL READOUT FOR LONGITUDINAL AND CROSS FEEDS
 BROWN & SHARPE HYDROSTATIC BEARING  WORKHEAD
  WITH INFINITELY VARIABLE SPINDLE SPEEDS (RHEASTATIC
  CONTROL) AND 4-3/4" DIAMETER ROUND MAGNETIC CHUCK
  ** THIS WAS A B & S OPTION FOR "ULTRA-HIGH" PRECISION WORK.  
   HYDROSTATIC BEARINGS HAVE NO FRICTION, AND THE WORKHEAD
   WAS RATED FOR 0.000010" TOLERANCES WHEN NEW.
 4-3/4" DIAMETER ELECTRO-MAGNETIC CHUCK FOR WORK HEAD
 FINE CROSS FEED KNOB (GRADUATED TO 0.0001" WORK DIAMETER)
 VERTICAL HANDWHEEL GRADUATED TO READ TO .0005"
 TAILSTOCK
 FOOTSTOCK WITH CENTER
 (2) TABLE MOUNTED DIAMOND DRESSERS LESS ONE DIAMOND
 TOOLING SHELVES
 WORK LIGHT
 LUBRICATION SYSTEM
 HYDRAULIC SYSTEM FOR HYDROSTATIC SPINDLE WORKHEAD WITH
  WITH 1/2 HP PUMP MOTOR AND FAN DRIVEN OIL COOLER
 1/6 HP WORK HEAD MOTOR
 1/2 HP 3/60/440 VOLT WORKHEAD MOTOR & ELECTRICAL CONTROLS
 1 HP 3/60/220-440 VOLT, 1735 RPM WHEEL HEAD MOTOR AND ELECTRICAL CONTROLS
 MACHINE IS WIRED FOR 460 VOLT OPERATION
 
 
 VERY GOOD CONDITION, FOB HAUPPAUGE, NY ***