Studer S20-2 – Year 1989
I.D. SPINDLE & O.D. SPINDLE, OD GRINDER, FULL AUTO CYCL

STUDER (MADE IN SWITZERLAND) 7.9″ x 15.7″
UNIVERSAL I.D./O.D.CYLINDRICAL GRINDER
MODEL: S-20-12
Y.O.M.: 1989

CENTER HEIGHT ………………………. 3.94″
SWING ……………………………… 7.88″
DISTANCE BETWEEN CENTERS …………….. 15.7″
MAX. WORKPIECE WEIGHT BETWEEN CENTERS …. 44 LBS.
CROSS SLIDE: X AXIS

RAPID APPROACH ……………………… 1.18″
MAX. TRAVEL ………………………… 0.98″
SPEED ……………………………… 0.0012″ – 0.06″ IPM
DIAMETER PLUNGE FEED INCREMENTAL ……… 0 – 0.006″

SPARKOUT TIME ………………………. 0 TO 5 SECONDS

LONGITUDINAL SLIDE: Z AXIS

MAX. TRAVEL ………………………… 16.5″

SPEED ……………………………… 3.94″ – 138″ IPM

SMALLEST AUTOMATIC TRAVEL ……………. 0.04″

REVERSE DELAY ………………………. 0 – 5 SECS

MACHINE TABLE SWIVELLING RANGE ……….. 30° CCW/15°CW

WHEELHEAD

SWIVEL RANGE ……………………….. 0/15°/30°

GRINDING WHEEL SIZE …………………. 14″ DIAMETER

1- 1/4″ WIDE

5″ BORE

OTHER DIAMETER GRINDING WHEELS ……….. 10″ & 12″

MOTOR ……………………………… 4 H.P.

SPEEDS …………………………….. 1600/1975/2200 RPM

WHEELHEAD SWIVELING ………………… YES

UNIVERSAL WORKHEAD

INFINITELY VARIABLE SPINDLE SPEEDS ……. 30 – 1200 RPM

SPINDLE TAPER ………………………. MT 4

SPINDLE HOLE ……………………….. 0.95″

SWIVELLING RANGE ……………………. 0 – 90°

MOTOR ……………………………… 0.66 H.P.

TAISTOCK

SPINDLE TAPER ………………………. MT 2

SPINDLE TRAVEL ……………………… 0.79″

FINE ADJ. FOR CYLINDRICAL CORRECTIONS …. 0.0016″

APPROX. MACHINE DIMENSIONS …………… 92″W x 59″W

APPROX. MACHINE WEIGHT ………………. 4,180 LBS.

MACHINE FEATURES:

STUDER CASTING WITH CONCRETE, OPTIMAL ABSORPTION OF EXTERNAL

VIBRATIONS

ERGONIMIC MACHINE CONTROL AND OPERATION

AXES MOVEMENTS ARE ACCOMPLISHED ELECTRO-MECHANICALLY

AUTOMATIC GRINDING CYCLES

AUTOMATIC GRINDING CYCLE WITH AUTOMATIC CUT-OUT:

– RAPID INFEED

-GRINDING FEED

-SPARKOUT

RAPID RETRACTION OF FEED HANDWHEEL TO THE PRESET

GRINDING ALLOWANCE

PLUNGE GRINDING AND TRAVEL GRINDING WITH OR WITHOUT

RAPID INFEED

WHEELHEAD CAN BE ADJUSTED TO FIXED SETTINGS, WITH SWIVEL

ANGLES OF 0, 15° AND 30°

WORKHEAD SPINDLE IS BOTH “LIVE” AND “DEAD”

TAILSTOCK WITH FINE ADJUSTMENT FEATURE

SLIDES REST COMPLETELY ON THE MACHINE BASE OVER THE

ENTIRE TRAVLE RANGE

WIDE SWIVELLING RANGE OF THE TABLE

WHEELHEAD – CROSS SLIDE WITH PRETENSIONED NEEDLE GUIDES

LONGITUDINAL SLIDES MOVES ON GROUND V AND FLAT GUIDEWAYS

AUTOMATIC LUBRICATION SYSTEM

EQUIPPED WITH:
INFINITELY VARIABLE WORKHEAD SPEEDS
FINE ADJUSTMENT AND ANGLE STOP ON THE LONGITUDINAL
SLIDE FOR PRECISE SETTING OF TAPERS
CENTER IN THE WORKHEAD
COOLANT SYSTEM
MACHINE IS PRESENTLY WIRED FOR 3/60/230 VOLTS
ORIGINAL PAINT – BEAUTIFUL CONDITION & APPEARANCE
INSPECT UNDER POWER