Okamoto ACC-2860EX


Last availability: March 6, 2020

Listing description

28" X 60" OKAMOTO "PRECISION" COLUMN TYPE SURFACE GRINDER
W/FANUC 21GA PLC MDI CONTROL/CONVERSATIONAL PROGRAMMING

MODEL: ACC-28-60EX 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

** EXCEPTIONAL CONDITION & APPEARANCE - JUST BEAUTIFUL **


Please note that this description may have been translated automatically.

Last availability: March 6, 2020

Listing information

Manufacturer Okamoto
Model ACC-2860EX
Year 1999
Country USA USA
Condition Good
Main category Metalworking Machinery
Subcategory Grinding Machine
ID P00129032

Last availability: March 6, 2020

About the seller

Client type Machinery dealer
On Kitmondo since 2011
Number of listings 143
Country USA USA
Last activity March 20, 2020
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