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Cincinnati-Heald 276, NEW 1981, LONG BASE, 48" EXTENDED BRIDGE ID / INTERNAL GRINDERS

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Make:: Cincinnati-Heald

Model:: 276, NEW 1981, LONG BASE, 48" EXTENDED BRIDGE

Year:: 1981

Ref #:: 160431

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  CINCINNATI MILACRON-HEALD LONG BASE, EXTENDED BRIDGE 
          INTERNAL GRINDING MACHINE 
 
MODEL: #276 "PLAIN" LONG BASE, WITH 48" EXTENDED BRIDGE  
 
S/N: 49256          NEW: 1981  
 
"48" EXTENDED BRIDGE - GREATLY INCREASES WORKPIECE
 LENGTH CAPACITY.  RIGIDLY CONSTUCTED WITH SUPPORT AT OUTER
 END IN THE FORM OF A PEDESTAL.  A SWIVEL  PLATE IS MOUNTED
 ON TOP OF THE BRIDGE, PIVOTED AT THE FRONT END  AND 
 ADJUSTABLE  UP TO 30 DEGREES INCLUDED ANGLE FOR THE 48" BRIDGE.  
 THE SWIVEL PLATE FEATURES  T-SLOTS EXTENDED THE ENTIRE LENGTH, 
 PROVIDING LONGITUDINAL ADJUSTMENT OF THE  WORKHEAD AND 
 STEADY REST.   THE WORKHEAD CAN BE ADVANCED TO THE EXTREME
 RIGHT-HAND END OF THE  SWIVEL PLATE FOR GRINDING MORE 
 CONVENTIONAL WORKPIECES." 
 
  
MAXIMUM SWING OVER TABLE (STRAIGHT WORK) .... 18" 
 
TAPER (INCLUDED ANGLE) - BRIDGE SWIVEL ...... 30 DEG.
CENTER OF WORKHEAD SPINDLE FROM FLOOR ....... 48"
MAXIMUM TABLE TRAVEL ........................ 30- 1/4"
TAPER (INCLUDED ANGLE - BRIDGE SWIVEL) ...... 30 DEGREES
TAPER (INCLUDED ANGLE - WORKHEAD SWIVEL) .... 60 DEGREES
WHEELHEAD CROSS SLIDE SWIVEL TO REAR ........ 4"
 
TABLE SPEED, RAPID TRAVERSE ................. 30' FPM
TABLE SPEEDS FOR GRINDING ................... 0 TO 20' FPM 
WOKRHEAD SPEEDS - REVERSIBLE & VARIABLE 
  BETWEEN ................................... 0 TO 500 RPM
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.
FINE CROSS FEED, NOT ADJUSTABLE ............. 0.0001" ON DIA.
ONE TURN OF WORKSLIDE HANDWHEEL ............. 0.100" 
ONE TURN OF TABLE HANDWHEEL ................. 0.963"
  
APPROXIMATE MACHINE WEIGHT .................. 11,000 LBS 
APPROXIMATE FLOOR SPACE w/COOLANT TANK ...... 152" X 74" 
 
  EQUIPPED WITH:
LONG BASE MODEL, 30- 1/4" TABLE TRAVEL
"PLAIN" SEMI-AUTOMATIC IN OPERATION
 
48" EXTENDED BRIDGE - GREATLY INCREASES WORKPIECE LENGTH 
 CAPACITY.  RIGIDLY CONSTUCTED WITH SUPPORT AT OUTER END
 IN THE FORM OF A PEDESTAL.  A SWIVEL  PLATE IS MOUNTED 
 ON TOP OF THE BRIDGE, PIVOTED AT THE FRONT END  AND 
 ADJUSTABLE  UP TO 30 DEGREES INCLUDED ANGLE FOR THE 
 48" BRIDGE.  THE SWIVEL PLATE FEATURES  T-SLOTS EXTENDED
 THE ENTIRE LENGTH, PROVIDING LONGITUDINAL ADJUSTMENT OF 
 THE  WORKHEAD AND STEADY REST.  THE WORKHEAD CAN BE 
 ADVANCED TO THE EXTREME RIGHT-HAND END OF THE 
 SWIVEL PLATE FOR GRINDING MORE CONVENTIONAL WORKPIECES. 
 
WORKHEAD SWIVELS
BRIDGE SWIVELS
FEED BOX COMBINES AUTOMATIC AND MANUAL CONTROL FOR 
  COARSE AND FINE FEED
10 H.P./3/60/230-460 VOLT WHEELHEAD MOTOR 
12" HEAVY DUTY 3-JAW CHUCK
COOLANT THRU THE WORKHEAD SPINDLE 
RED HEAD HEALD I.D. GRINDING SPINDLE ON THE MACHINE IS:
  UNIT: 105200
  S/N: 108676
  MAX. RPM: 11,000
  LENGTH OF QUILL IS 5.5"
RED HEAD HEALD I.D. GRINDING SPINDLE, WITH THE MACHINE:
  UNIT: 411-150200
  S/N: 119923
  MAX. RPM: 8,200
  Length of Quill is 12”.  Diameter of Quill is 2”.  
   Grinding Wheel Diameter is 3”.
 
MANUAL SWING DOWN DRESSER
FACING ATTACHMENT
COOLANT SYSTEM 
HYDRAULIC PUMP MOTOR
WHEELHEAD MOTOR, 10 H.P., 3/60/230-460 VOLTS
WORKHEAD MOTOR, 1.5/1.0/0.75/0.50 H.P., 3/60/460 VOLTS
PRESENTLY WIRED FOR 3/60/460 VOLTS
 
LINK TO VIDEO: https://youtu.be/0uZ_rITLypQ?si=uUerS0sAB6T4Zz7k
 
** INSPECT UNDER POWER IN OUR HARRISON, NJ WAREHOUSEX ** 
* * EXCELLENT CONDITION & APPEARANCE * * 

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