8" X 20" SHIGIYA (JAPANESE) "HIGH-PRECISION"

   UNIVERSAL I.D./O.D. CYLINDRICAL GRINDER

 

  MODEL: GUA-20-50    S/N: 20256     NEW: 1984

 

SWING ............................... 8"

DISTANCE BETWEEN CENTERS ............ 20"

LONGITUDINAL TABLE SPEED ............ 2" TO 160" IPM

TABLE SWIVELS, WHEELHEAD SIDE ....... 11 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 .............. 3,080 LBS.

FLOOR SPACE REQUIRED FOR OPERATION .. 6 x 6

 

  EQUIPPED WITH:

 

SWING DOWN I.D. GRINDING ATTACHMENT

I.D. GRINDING SPINDLE

 

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

COOLANT SYSTEM

AUTOMATIC LUBRICATION SYSTEM

DUAL LIVE/DEAD WORKHEAD SPINDLE

SWIVELLING WORKHEAD (O TO 120 DEGREES)

5 H.P./3/60/230-460 VOLT WHEELHEAD MOTOR