20" x 48" OKAMOTO ,PFR; [DH-125FC/SVV-20-48FC "HIGH PRECISION" "COLUMN TYPE" SURFACE GRINDER WITH AUTOMATIC INCREMENTAL DOWNFEED

Manufacturer

OKAMOTO

Model

PSG-125DX/ACC-20-48DX

Year

1990

Stock #

16945

Condition

Excellent

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Specifications

Equipped With

 
20" x 48" OKAMOTO ,PFR; [DH-125FC/SVV-20-48FC  "HIGH PRECISION" "COLUMN TYPE"  SURFACE GRINDER WITH AUTOMATIC INCREMENTAL DOWNFEED

NEW 1990

 

*** IN 2013, THIS MACHINE WAS UPGRADED,

     WITH NEW ELECTRONICS/CONTROLS,

     COST WAS OVER 22K TO DO THE WORK

     FROM OKAMOTO!  

  

  

 

  TABLE WORKING CAPACITY ....................... 20" x 48"

  DISTANCE BETWEEN TABLE AND GRINDING WHEEL .... 23.5"

  

  LONGITUDINAL TABLE TRAVEL .................... 57"

  TABLE FEED (LONGITUDINAL FEED) ............... 6' TO 82' FPM  

  HANDFEED PER REV., LONGITUDINAL FEED ......... 1"

  CROSS TRAVEL, COLUMN MOVES ................... 22"

  CROSS FEED INCREMENT, FROM ................... 0.2" TO 1.4"

  CONTINUOUS CROSSFEED RATE .................... 1' TO 16' FPM

  HANDFEED PER REV., CROSSFEED ................. 0.2"

  HANDFEED DIAL GRAD., CROSSFEED ............... 0.001"

 

  AUTO VERTICAL FEED PER TABLE STROKE .......... 0.00005" TO .00295"

  VERTICAL, RAPID TRAVERSE OF WHEELHEAD ........ 1.2' FPM

  MANUAL PULSE GENERATOR, FEED/VERTICAL ........ 0.00005", .0005"

  ONE REV. OF THE HANDWHEEL IS ................. 0.050"

 

 WHEEL DIMENSIONS............................... 20"OD x 3"W  

  GRINDING WHEEL SPEED.......................... 1,100 RPM  

  

  APPROX. MACHINE DIMS. ........................ 156" x 100" x 86"H

  APPROX. MACHINE WEIGHT ....................... 16,540 LBS.

 

 

  MACHINE FEATURES:

  HIGH RIGIDITY, TRAVELING COLUMN DESIGN

  TABLE & COLUMN TRAVEL ON THE BED

  TABLE IS FULLY SUPPORTED BY BED WAYS WITH NO OVERHANG OF

    THE CHUCKING SURFACE AT THE MAXIMUM TRAVEL

  THE COLUMN/WHEELHEAD ASSEMBLY TRAVELS ON PRECISION DOUBLE V-WAYS  

  THE CROSSFEED BALL SCREW ENSURES THE HIGHEST POSITIONING ACCURACY

  WHEELHEAD IS FULLY SUPPORTED BY SIX PRECISION BEARING SURFACES

  COLUMN HAS UNIQUE VENTILATION PORT AT THE TOP TO REMOVE HEATED

   AIR FROM INSIDE THE COLUMN, TO PREVENT COLUMN DISTORTION AND

   ENSURE GRINDING ACCURACY

  COMPLETE WAY PROTECTION

  AC SERVO MOTORS

  FULL AUTOMATIC CYCLE, FOR TABLE FEED, COLUMN FEED & VERTICAL FEED

  EASY INPUT OF TOTAL STOCK REMOVAL, ROUGH INFEED, FINE INFEED

   & SPARKOUT VALUES ENSURE PRECISION GROUND PARTS.  

   TOTAL GRINDING DEPTH IS DIGITALLY DISPLAYED & RETAINED

   IF THE OPERATOR NEEDS TO INTERRUPT THE AUTOMATIC CYCLE.  

   AN OPTIONAL MANUAL PULSE GENERATOR PROVIDES FOR WHEELHEAD

    POSITIONING CONTROL AT THE WORKPIECE.

  GRINDING MODE SELECTOR SWITCH, PROVIDES AUTOMATIC DOWNFEED

   FOR BOTH SURFACE & PLUNGE MODES

  TABLE PARKS AT COMPLETION OF GRIND CYCLE

  SPECIALLY DESIGNED CARTRIDGE TYPE SPINDLE, FOR THE

   HIGHEST PRECISION CAPABILITIES

 

 

 

  * 20 H.P. SPINDLE MOTOR

  * 20"DIA. x 3"W GRINDING WHEEL, 6,500 SFPM

  * COOLANT SYSTEM WITH PAPER FILTRATION & MAGNETIC SEPARATOR

  * 20" x 48" O.S WALKER "INTERLOC" ELECTRO-MAGNETIC CHUCK

  * O.S. WALKER "SMART SERIES" VARIABLE HOLD CHUCK CONTROLLER  

  * POWER OVERHEAD WHEEL DRESSER

  * MANUAL PULSE GENERATOR FOR VERTICAL FEED

  * 3/60/230-460 VOLT ELECTRICS

  * MACHINE IS PRESENTLY WIRED FOR 230 VOLTS

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