1986 SHIGIYA GUA-20-50 | Grinders, Cylindrical, Universal

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

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

 

  MODEL: GUA-20-50    S/N: 20337      NEW: 1986

 

SPECIFICATIONS:

  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

 

  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 

 

 

 

** INSPECT UNDER POWER **

** EXCEPTIONAL CONDITION & APPEARANCE **