Okamoto PRG-6 – Year 1992
SURFACE GRINDER with ROTARY Table AUTO CYCLE , CHUCK TILTS +/-
PRECISION
MADE IN JAPAN
Brand : OKAMOTO
MODEL : PRG-6
S/N: 1203
MFG.: 1992
DIAMETER OF MAGNETIC CHUCK…… 23.6″
MAX. SWING (COOLANT GUARD)…… 29.5″
MAX. HEIGHT, UNDER 14″ WHEEL … 7.87″
STANDARD WHEEL SIZE…………. 14″DIA.
1.5″ TO 2″”W
5″ BORE
GRINDING WHEEL MOTOR ……….. 10 H.P.
AUTO SPINDLE DOWNFEED……….. 0.0001″-.001″
RAPID FEED ………………… 11.2″ IPM
HAND FEED PER REV. …………. 0.02″
ONE GRADUATION OF DIAL ……… 0.0001″
MAX. ANGLE (CONVEX/CONCAVE ….. 3 DEGREES
CHUCK SPEEDS, INF. VARIABLE …. 20 TO 150 RPM
TABLE TRAVEL (MAX) …………. 15.7″
TABLE TRAVERSE RATE ………… 0-15 FPM
LUBRICATION PUMP MOTOR ……… 0.33 HP
APPROXIMATE MACHINE WEIGHT ….. 7,780 LBS.
MACHINE TOOL DIMS. …………. 86″L-R x 106″F-B x 79″H
EQUIPPED WITH:
SONY MAGNESCALE LH 10 TWO-AXIS DIGITAL READOUT DISPLAY
WHEEL DRESSER MOUNTED ON WHEEL HEAD
23.6″ DIAMETER “CONCENTRIC POLE” FINE-DIVISION
ELECTRO-MAGNETIC CHUCK
VARIABLE HOLD NEUTROFIER CONTROL FOR THE
ELECTRO-MAGNETIC CHUCK
COOLANT SYSTEM WITH PAPER FILTRATION
MACHINE FEATURES:
“UNIQUE NON-UNIFORM TABLE FEEDS”
– THESE ROTARY & LONGITUDINAL TABLE SPEEDS
ARE DESIGNED TO INCREASE WHEN THE GRINDING WHEEL
MOVES FROM THE OUTSIDE TO THE CENTER OF THE TABLE
WITH A RATIO OF 3:1 SO THAT INCREASED
PRODUCTIVITY CAN BE OBTAINED AS COMPARED
TO THE CONVENTIONAL CONSTANT SPEED TYPE GRINDERS.
AUTOMATIC GRINDING CYCLE WITH SPARKOUT TIMER
SETTING KNOB FOR AUTOMATIC INCREMENTAL DOWNFEED
HANDWHEEL FOR MANUAL VERTICAL FEED
THE TABLE ON THE SADDLE MOVES LONGITUDINALLY
ON THE WAYS OF THE BED
SELECTOR SWITCH
INFINITELY VARIABLE CHUCK SPEEDS, BY TURNING A DIAL
INFINITELY VARIABLE LONGITUDINAL SPEED SETTING,
BY TURN OF A DIAL
ROTARY & LONGITUDINAL SPEEDS OF THE TABLE ARE
EACH ACTUATED BY DC DRIVE MOTORS
TABLE TILTS, PLUS/MINUS 3 DEGRESS OF CENTER
POWER RAPID TRAVERSE FOR WHEEL ELEVATION BY PUSHBUTTON
SEPARATE LUBRICATOR FOR VERTICAL WAYS
10 H.P. SPINDLE MOTOR, 3/60/220-440 VOLTS
3 H.P. DC MOTOR TABLE DRIVE
WORK COMPLETED! MACHINE IS READY!
MACHINE HAS BEEN REFURBISHED WHERE NECESSARY,
AND REPAINTED “OKAMOTO WHITE” WITH EPOXY PAINT.
WORK PERFORMED WAS EXTENSIVE, THE MACHINE WAS
BE DISASSEMBLED, THIS IS A COMPREHENSIVE JOB.
BASE WAYS AND SADDLE REGROUND
TOOL REBUILDERS OF RANDOLPH, NJ.
MACHINE IS SOLD WITH A 30 DAY RETURN PRIVILEGE.
