MODEL: GUP28-100
NEW: 1971
S/N: R7188

SPECIFICATIONS:
MAX. DISTANCE BETWEEN CENTERS................... 40"
MAX. SWING OVER TABLE........................... 11.8"
MAX. DIAMETER OF WORK GROUND W/ FULL
SIZE WHEEL..................................... 6"
MAX. WEIGHT OF WORK HELD BETWEEN CENTERS........ 275 LB
MAX. WEIGHT OF WORK HELD BY CHUCK OR
FACE PLATE..................................... 44 LB
WHEELHEAD:
SWIVELLING ANGLE................................ 30 - 30 DEG.
TOTAL STROKE.................................... 11.6"
HANDWHEEL FEED STROKE........................... 6.3"
ADDITIONAL STROKE BY SLIDING ON SUB-SLIDE BASE.. 3.7"
AUTOMARIC RAPID FEED STROKE..................... 1.6"
HANDLEVER INFEED AMOUNT (INFINITELY VARIABLE)... 0 - 00138"
MOVEMENT PER TURN OF HANDWHEEL.................. 0.04"
MOVEMENT PER TURN OF GRADUATION................. 0.0001"
GRINDING WHEEL:
DIAMETER X WIDTH X HOLE......................... 14" X 2" X 5"
WHEEL SPEEDS.................................... 1650; 2150 RPM
TABLE:
SWIVELING ANGLE (TOWARD WHEEL - TOWARD OPERATOR) 10 - 3 DEG.
TRAVERSE SPEEDS (INFINITELY VARIABLE)........... 2 - 157 IPM
WORKHEAD:
SWIVELING ANGLE (TOWARD WHEEL - TOWARD OPERATOR) 90 - 30 DEG.
CENTER TAPER.................................... MT #4
SPINDLE HOLE DIAMTER............................ .78"
SPINDLE SPEEDS (INFINTELY VARIABLE)............. 20 - 300 RPM
FOOTSTOCK:
CENTER TAPER.................................... MT #4
MAX. RETRACTING STROKE OF CENTER................ 1"
ELECTRIC MOTORS:
FOR WHEELHEAD................................... 5HP
FOR WORKHEAD.................................... 1/2 HP
FOR HYDRAULIC PUMP.............................. 2 HP
FOR WHEEL SPINDLE BEARINGS PUMP................. 1/3 HP
FOR COOLANT PUMP................................ 1/3 HP
FOR INTERNAL GRINDING ATTACHMENT................ 1 HP
TANK CAPACITY:
FOR HYDRAULIC MECHANISM......................... 65 GAL.
FOR WHEEL SPINDLE BEARINGS LUBRICATION.......... 9 GAL.
FOR COOLANT..................................... 100 GAL.
APPROX. MACHINE DIMENSIONS...................... 180" X 83" X 57"
APPROX. MACHINE WEIGHT.......................... 6800 LBS

EQUIPPED WITH:

INTERNAL GRINDING SPINDLE
6" 3-JAW KITAGAWA CHUCK
FACE PLATE
DRESSER
COMBINATION LIVE / DEAD WORK HEAD
VARIABLE SPEED DRIVE
PLUNGE GRINDING
COOLANT SYSTEM
HYDRAULIC TANK
GAURDING

SPECIFICATIONS SUBJECT TO VERIFICATION