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Cincinnati-Heald 273A, 1975, UNIVERSAL, ID / INTERNAL GRINDERS

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Make:: Cincinnati-Heald

Model:: 273A, 1975, UNIVERSAL,

Year:: 1975

Ref #:: 172481

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  #273A CINCINNATI MILACRON - HEALD 
         "HIGH-PRECISION"
 UNIVERSAL INTERNAL GRINDING MACHINE 
             
 
MODEL: 273A      S/N: 47101     NEW: 1974
        
           
 
 
MAXIMUM SWING OVER TABLE EXTENSION, WORKHEAD 
 PARALLEL TO TABLE WITHOUT CHUCK GUARD, 
 PERMITS NO WORKSLIDE TRAVEL, 
 LIMITED TABLE TRAVEL ........................ 24-1/2" 
SWING WORKHEAD SWIVELED +/- 90 DEGREES ....... 16" 
SWING INSIDE STANDARD CHUCK GUARD ............ 20" 
ANGULAR ADJUSTMENT OF WORKHEAD ............... 90°
WORKHEAD POSITIONING SLIDE TRAVEL ............ 17-1/2" 
MAXIMUM TABLE TRAVEL ......................... 20" 
MAXIMUM GRINDING STROKE ...................... 16" 
WHEELHEAD CROSS SLIDE TRAVEL ................. 1-1/2" 
CENTER OF WORKHEAD SPINDLE TO FLOOR .......... 43-1/2" 
DISTANCE WORKHEAD FLANGE TO EDGE 
WHEELSLIDE ................................... 0 TO 29-1/16" 
TABLE SPEEDS FOR GRINDING .................... 0 TO 18' FPM 
WOKRHEAD SPEEDS - REVERSIBLE & VARIABLE 
BETWEEN ...................................... 0 TO 500 RPM 
RAPID TRAVERSE OF TABLE ...................... 18' FPM 
ONE TURN OF CROSS FEED HANDWHEEL ............. 0.050" ON DIA. 
CROSS FEED IN INCREMENTS, AT ONE OR 
BOTH ENDS OF TABLE STROKE ........... 0.0001" TO .0005" ON DIA. 
MINIMUM STROKE ............................... 0.125" 
ONE TURN OF WORKSLIDE HANDWHEEL .............. 0.100" 
ONE TURN OF TABLE HANDWHEEL .................. 3-3/4" 
 
APPROXIMATE MACHINE WEIGHT ................... 7,500 LBS 
APPROXIMATE FLOOR SPACE (MACHINE ONLY) ....... 84" X 38" 
 
EQUIPPED WITH: 
EXTENDED BASE VERSION - 12" EXTENSION WHICH PERMITS 
 LARGER PARTS TO BE HELD
HYDROSTATIC TABLE WAYS, A UNIQUE FEATURE TO 273A GRINDERS 
FEED BOX COMBINES AUTOMATIC AND MANUAL CONTROL FOR BOTH 
  COARSE AND FINE FEED SELECTIONS.
5 H.P. WHEELHEAD MOTOR, 3/60/230-460 VOLTS
1.5 H.P. "VEE-ARC CORP." MOTOR, FOR THE WORKHEAD 
"REACTRON" VARIABLE SPEED DRIVE FOR THE WORKHEAD
FACING ATTACHMENT 
SINE BAR, FOR WORKHEAD SWIVEL
MULTI-POSITION STOP, FOR CROSS MOVEMENT OF WORKHEAD
DROP DOWN WHEEL DRESSER 
ORIGINAL "HEALD' COOLANT TANK WITH "GUSHER" PUMP, 
 65" x 16" X 15"H TANK
12" DIAMETER O.S. WALKER "ALNICO" PERMANENT MAGNETIC CHUCK,
 S/N: BXM-1838-79,  WITH "PITCH FORK" PATTERN 
HEALD "RED HEAD" I.D. SPINDLE, 14,000 RPM, S/N: 114109
3/60/230-460 VOLT MOTORS
MACHINE IS PRESENTLY WIRED FOR 208 VOLTS
 
 
 
* HIGH PRECISION VERSATILE MACHINE FOR GRINDING STRAIGHT
   OR TAPER BORES, STRAIGHT OR TAPER O.D.'S AND FLAT, 
   CONVEX OR CONCAVE SURFACES. * 
 
LINK TO VIDEO: https://youtu.be/McfbWcwwQd8?si=wZlnLBzN1IPgRxI7
 
** INSPECT UNDER POWER IN OUR HARRISON, NJ WAREHOUSE ** 
** - EXCELLENT CONDITION & APPEARANCE **

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