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(1) USED 8" X 20" OKAMOTO MODEL ACC 820DX 3-AXIS AUTO SURFACE GRINDER, NEW APPROX 1994
SPECIFICATIONS:
NOMINAL GRINDING CAPACITY ...................... 8" x 20"
MAXIMUM HEIGHT UNDER 8" WHEEL ..................... 15.6"
TABLE SPEED, INFINITELY VARIABLE .......... UP TO 82' FPM
MAX. LONGITUDINAL TABLE MOVEMENT, MANUAL ............ 24"
AUTO CROSS FEED INCREMENT ............... 0.002" TO 0.40"
AUTO CONINOUS CROSSFEED ................... 4' TO 40' FPM
CROSSFEED, MANUAL, HAND FEED PER REV. ............. 0.25"
GRAD. OF HANDWHEEL ........... 0.0004"
MAX. CROSSFEED, MANUAL ............................... 9"
AUTO INCREMENTAL DOWNFEED INCREMENTS .. 0.00005" TO .0015"
POWER RAPID WHEEL POSITIONING RATE .............. 16" IPM
SPINDLE MOTOR .................................... 2 H.P.
WHEEL SIZE ......................... 8"DIA. x 1"W x 1.25"B
APPROX. MACHINE WEIGHT ........................ 3,810 LBS.
EQUIPPED WITH:
PROGRAMMABLE ELECTRONIC AUTO INCREMENTAL DOWNFEED:
-SERVO DRIVEN DOWNFEED
-AUTO INCREMENTAL DOWNFEED FOR SURFACE & PLUNGE OPERATIONS
-DUAL RATE AUTO DOWNFEED W/COARSE & FINE SELECTIONS
-DIGITAL DISPLAY OF VERTICAL AXIS
-SPARKOUT PASSES (0 TO 5) W/AUTO TABLE PARK AT COMPLETION OF GRIND CYCLE
-ELECTRONIC HANDWHEEL FOR MANUAL VERTICAL MOVEMENT
W/EACH GRAD. EQUIVALENT TO .00001", .0001" OR .001"
-POWER RAPID WHEEL POSITIONING
HYDRAULIC TABLE TRAVERSE & AUTOMATIC CROSSFEED
OVER-THE-WHEEL DRESSER
8" X 20" FINE-POLE ELECTRO-MAGNETIC CHUCK
VARIABLE HOLD NEUTROFIER w/AUTO DEMAGNETIZING IS
INSTALLED ON MACHINE CONTROL CONSOLE
COOLANT SYSTEM w/MAGNETIC SEPARATION
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