1986 SHIGIYA GUA-20-50

     8" X 20" SHIGIYA (JAPANESE) HIGH-PRECISION
   UNIVERSAL I.D./O.D. CYLINDRICAL GRINDER
 
  MODEL: GUA-20-50    S/N: 20337      NEW: 1986
 
  SWING ............................... 8"
DISTANCE BETWEEN CENTERS ............ 20"
LONGITUDINAL TABLE SPEED ............ 2" TO 160" IPM
TABLE SWIVELS, WHEELHEAD SIDE ....... 9 DEG.
OPERATOR SIDE ........ 5 DEG.
MAX. STROKE OF WHEELHEAD ............ 8- 1/2"
MAX. AUTO INFEED STROKE ............. 0.3"
AUTO INFEED RATE .................... 0.00008" TO .008"
PLUNGE INFEED ....................... 0.0016" TO .12"
POWER RAPID WHEELHEAD ADVANCE
& RETRACTION STROKE ................. 0.80"
HANDLE FEED, ONE REV. ......... ..... 0.01"
HANDLE FEED, ONE DIVISION ........... 0.0001"
FINE FEED, GRADUATED TO ............. 0.00004"
WHEELHEAD SWIVELS ................... 15 DEG. L & R OF CENTER
GRINDING WHEEL SIZE ................. 14" DIA. X 1"-2"W
`                                      X 5" BORE
GRINDING WHEEL SPEEDS (2) ........... 1,600/1,880 RPM
WORKHEAD SPINDLE TAPER .............. #2 MT
WORKHEAD SPINDLE SPEEDS (9) ......... 77 TO 650 RPM
WORKHEAD SWIVELLING RANGE (TOTAL) ... 120 DEG.
TAILSTOCK SPINDLE TAPER ............. #2 MT
TAILSTOCK SPINDLE TRAVEL ............ 0.79"
 
APPROX. MACHINE WEIGHT .............. 4,680 LBS.
FLOOR SPACE REQUIRED FOR OPERATION .. 8' x 6'
 
  EQUIPPED WITH:
SWING DOWN I.D. GRINDING ATTACHMENT WITH I.D. SPINDLE
COOLANT SYSTEM WITH MAGNETIC SEPARATOR
TABLE MOUNTED WHEEL DRESSER
EXTRA WHEEL HUB WITH GRINDING WHEEL
CLAMPING KIT
 
  MACHINE FEATURES:
HYDRAULIC OPERATION FEATURING:
-POWER TABLE TRAVERSE
-ADJUSTABLE TABLE DWELL
-AUTO INFEED
-PLUNGE INFEED (DUAL RATE) (COARSE & FINE)
-RAPID WHEELHEAD ADVANCE & RETRACTION
INDEPENDENT SPARKOUT TIMERS FOR AUTO INFEED & PLUNGE CYCLES
GRINDING OPERATIONS (UP TO 30 SECONDS)
FINE FEED (MICROFEED) KNOB FOR INFEED
WHEELHEAD FEATURES HYDROSTATIC BEARING DESIGN
(AUTO-PRESSURE LUBRICATED)
EXTERNAL HYDRAULIC SYSTEM
OIL COOLER UNIT
AUTOMATIC LUBRICATION SYSTEM
DUAL LIVE/DEAD WORKHEAD SPINDLE
SWIVELLING WORKHEAD (O TO 120 DEGREES)
5 H.P./3/60/230-460 VOLT WHEELHEAD MOTOR
MACHINE IS PRESENTLY WIRED FOR 460 VOLTS