28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER

28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER

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28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
  W/FANUC 21GA PLC MDI CONTROL/CONVERSATIONAL PROGRAMMING      
       
MODEL: ACC-28-60EX        S/N: 37173         NEW: 1999        
                                                         
CAPACITY:
MAXIMUM GRINDING WIDTH& LENGTH ............. 28" x 60"
MAX. MOVEMENT .............................. 30" x 69"
MAXIMUM DISTANCE FROM 20" WHEEL ............ 23.5"
TABLE LOAD CAPACITY INCL. CHUCKS ........... 5,290 LBS.
 
TABLE FEED:         
LONGITUDINAL TABLE SPEED ................... 6' TO 82' FPM
 
COLUMN FEED (CROSSFEED):
CROSSFEED, HANDWHEEL PER REV. .............. 0.1"/0.05"/0.02" SELECTIONS
CROSSFEED, HANDFEED PER GRAD. .............. 0.0001"/0.0005"/0.002"
INCREMENT CROSSFEED PER TABLE PASS ......... 0.004" TO 1.5"  
CONTINUOUS CROSS FEED RATE ................. 1" TO 3.3" IPM
 
VERTICAL FEED:
VERTICAL, AUTO INCREMENTAL DOWNFEED ........ 0.00005" TO .0025"
VERTICAL, HANDWHEEL PER REV. ............... 0.1"/0.05"/0.02" SELECTIONS
VERTICAL, HANDFEED PER GRAD. ............... 0.0001"/0.0005"/0.002"
NUMBER OF SPARKOUT PASSES .................. 0 TO 5
RAPID FEEDRATE ............................. 1.2' FPM
 
GRINDING WHEEL,DIA. X WIDTH  ............... 20"DIA. x 3"W  
GRINDING WHEEL SPINDLE MOTOR ............... 20 H.P.
GRINDING WHEEL SPEED ....................... 1,100 RPM        
 
APPROXIMATE WEIGHT ......................... 22,930 LBS
APPROXIMATE DIMENSIONS ..................... 216" L-R x 156" F-B x 94" HIGH                  
   
                                                         
MACHINE FEATURES:
HEAVY DUTY, MEEHANITE CAST IRON CONSTRUCTION
TRAVELING COLUMN DESIGN
HYDRAULICALLY ACTUATED LONGITUDINAL FEED
TELESCOPIC WAY COVERS
BALL SCREWS AND 1.2 H.P. AC SERVO DRIVE MOTORS FOR VERTICAL & CROSS FEEDS
5 HP EXTERNAL HYDRAULIC PUMP AND TANK WITH FAN TYPE RADIATOR
20 H.P. CARTRIDGE TYPE "PRECISION" SPINDLE DRIVE
WHEELHEAD SUPPORTED BY 6 SLIDEWAYS
GRAVITY FED AUTOMATIC LUBRICATION SYSTEM
 
 
FANUC 21GA PLC CONTROL WITH MANUAL DATA INPUT (MDI) FEATURES:
CONVERSATIONAL PROGRAMMING, USER-FRIENDLY GRINDING SOFTWARE.
AUTOMATIC GRINDING CYCLES, TRAVERSE, PLUNGE, SHIFT PLUNGE, DRESS & DRESS COMPENSATION
  CYCLES, AUTOMATIC GRINDING WHEEL RETRACT.  
SIMPLIFIES ALL PHASES OF THE GRINDING OPERATION WHILE GIVING THE OPERATOR
  THE "FEEL" OF CONVENTIONAL MACHINE OPERATION.  THIS SIMPLE "TEACH FUNCTION"
  SIMPLIFIES THE VERTICAL SIZING POSITION, CROSSFEED POINT AND DRESSING
  POSITION.  VERTICAL & CROSSFEED MOVEMENT, AUTOMATIC DOWNFEED (TRAVERSE OR PLUNGE)
  ARE PROGRAMMABLE IN 17 INCREMENTS FROM 0.0" TO 0.005".  THE MINIMUM CROSSFEED
  INCREMENT IS 0.00005".
WORK/CHUCK DATUM POSITION - THIS DATA PAGE DISPLAYS THE EXACT POSITION OF THE
  WORKPIECE IN RELATION TO THE GRINDING WHEEL.  CHOOSE EITHER "WORK DATUM" OR
  "CHUCK DATUM" FOR WORK SIZING REFERENCES.
SHIFT PLUNGE GRINDING CYCLE - ALLOWS FOR COARSE GRINDING TO BE CONDUCTED IN A
  PLUNGE MODE AND THE FINE GRINDING TO BE DONE IN A CONTINUOUS GRINDING MODE.
  THIS CYCLE SAVES 205 - 40% OVER CONVENTIONAL CYCLES WITH THE SAME RESULTING FINISH.
HYDRAULICALLY ACTUATED OVER-THE-WHEEL DRESSER WITH PROGRAMMABLE DRESSING
  CYCLES AND FINE OR ROUGH MODES OF OPERATION.  DRESS COMPENSATION IS STANDARD, AND
  A CONVENIENT DRESS INTERRUPT FEATURE ALSO ALLOWS FOR "DRESS ON DEMAND".
(66) SEPERATE AUTOMATIC GRINDING CYCLES WHEN USED IN CONJUNCTION WITH THE
  DRESSING CYCLES.
SIMPLE DRESS INVALID CYCLE - WITH A SIMPLE FLIP OF THE DRESSING SWITCH THE
  MACHINE WILL IGNORE ALL DRESSING DATA AND NO DRESSING DURING CYCLE TAKES PLACE.
  WHEN USED WITH "WORK DATUM" TH "EX' CAN WORK LIKE A CONVENTIONAL GRINDING
  MACHINE.  THIS IS HIGHLY EFFECTIVE FOR SIMPLE "ONE-OFF" GRINDING JOBS.
MANUAL PULSE GENERATOR FOR FINE MOVEMENTS OF  0.00001" (VERTICAL) AND 0.0001" (CROSS)
 
EQUIPPED WITH:
28" x 59" x 4.3"H "KANETEC" ELECTRO-MAGNETIC CHUCKS WITH VARIABLE HOLD NEUTROFIER
  & AUTOMATIC DEMAGNETIZING CONTROLLER
LARGE CAPACITY COOLANT TANK WITH MAGNETIC SEPARATOR
3/60/230-460 VOLTS
PRESENTLY WIRED FOR 460 VOLTS
 
SPECIAL NOTE:
OKAMOTO GRINDING WHEEL BALANCING STAND & ARBOR AVAILABLE TO PURCHASE FOR THIS
 MACHINE.  IT IS OUR REF. No. 159151
 
 
 
** EXCEPTIONAL CONDITION & APPEARANCE - JUST BEAUTIFUL **
** INSPECT UNDER POWER IN OUR HARRISON, NJ WAREHOUSE **