USED 1984 SUPERTEC STC-20

Supertech .04" to 3.54" Capacity centerless grinder, in Excellent condition

MODEL: STC-20 NEW: 1984

GRINDING DIAMETER (STANDARD WORKREST).... 0.04 TO 2"
GRINDING DIAMETER (SPECIAL WORKREST)..... 2" TO 3.54"

GRINDING WHEEL
DIAMETER X WIDTH X BORE.................. 20" x 8" x 12"
SPINDLE SPEED............................ 1,070 RPM
DRESSING INCREMENT, PER GRADUATION....... 0.0005"
DRESSING INCREMENT, PER REVOLUTION....... 0.0787"

REGULATING WHEEL
DIAMETER X WIDTH X BORE.................. 12" X 8" X 5"
SPINDLE SPEEDS (10 STEPS)................ 13 - 308 RPM
FEED OF HANDWHEEL PER GRADUATION......... 0.0005"
FEED OF HANDWHEEL, PER REVOLUTION........ 0.006"
SWIVELLING ANGLE......................... +/- 5°
INCLINING ANGLE.......................... +/- 5°
DRESSING INCREMENT PER GRADUATION ....... 0.00005"
DRESSING INCREMENT PER REVOLUTION........ 0.0625
RAPID FEED OF SADDLE HANDWHEEL,
PER GRADUATION......................... 0.0002"
PER REVOLUTION......................... 0.25"
MICRO FEED OF SADDLE HANDWHEEL,
PER GRADUATION......................... 0.00005"
MICRO FEED OF SADDLE HANDWHEEL,
PER REVOLUTION......................... 0.00625"

GRINDING WHEEL MOTOR..................... 20 HP
HYDRAULIC MOTOR.......................... 2 HP

FLOOR SPACE WITH HYD. TANK & COOLANT .... 77" x 71"D x 59"H
WEIGHT................................... 7,000 LBS

EQUIPPED WITH:
HYDRO-STATIC "BABBIT" BEARINGS FOR GRINDING WHEEL AND THE
REGULATING WHEEL SPINDLES, WITH AUTO LUBRICATION SYSTEM.
AUTO LUBE CREATES OIL FILM BETWEEN THE SPINDLE AND
BEARINGS, TO PREVENT ANY METAL TO METAL CONTACT,
ENSURES ACCURACY AND SPINDLE LIFE.
OIL DISPLAY FOR EACH SPINDLE.
VARI-SPEED SPINDLE SPEEDS, REGULATING WHEEL SPINDLE,
WITH DIGITAL TACHOMETER SPEED DISPLAY
REGULATING WHEEL CAN BE SWIVELLED & INCLINED +/- 5°
SLIDE-WAYS OF REGULATING WHEEL ARE CASTED OF DOUBLE
VEE AND HAND SCRAPED, THEN COATED WITH TURCITE B,
ALLOWING FOR SMOOTH MOVEMENT AND INCREASED LONGEVITY.
ONE-SHOT LUBE, FOR SLIDE WAYS LUBRICATION
HYDRAULIC DRESSERS WITH +/- 3° SWIVEL ADJUSTMENT
EXTERNAL HYDRAULIC SYSTEM
"BEDATEC" COOLANT SYSTEM WITH MOTORIZED
PAPER FILTRATION, HIGH-END SYSTEM, NEW 1997
WORK REST WITH BLADE ON THE MACHINE
(2) ADDITIONAL WORK RESTS WITH EXTRA BLADES
"SONY" "LH-51" DIGITAL READOUT DISPLAY,
FOR REG. WHEEL SLIDE
20 H.P./3/60/220-440 VOLT, 50/25 AMP MOTOR
FOR THE GRINDING WHEEL