Tschudin HTG-400 – Rebuilt 2005
SUPER-PRECISION UNIVERSAL CYLINDRICAL GRINDER

Brand : Tschudin
MODEL: HTG-400

TABLE:
NOMINAL SWING ………………………. 8″
DISTANCE BETWEEN CENTERS …………….. 16″
TABLE SPEED ………………………… 0 TO 195″ IPM
TABLE DWELL ………………………… 0 TO 6 SECONDS
SWIVELLING RANGE ……………………. +/- 11 DEGREES

WHEELHEAD:
WHEEL SIZE …………………….. 14″DIA. X 2″W X 5″BORE
SWIVELLING RANGE ……………………. +/- 5 DEGREES
MOTOR ……………………………… 4 HP
SPINDLE SPEEDS (3) ……………… 1,640, 1,940 & 2,300 RPM

WHEELHEAD INFEED;

RANGE OF PLUNGE FEED DIAMETER
REDUCTION PER MINUTE ……………….. 0.0005″ – 0.200″
AUTOMTIC INFEED OF THE GRINDING
WHEEL PER TABLE REVERSAL, MINIMUM
INFEED INCREMENT DIAMETER REDUCTION ….. 0.000050″
DIA. REDUCTION PER REV. OF
INFEED HANDWHEEL …………………… 0.080″
HANDWHEEL GRADUATION READS TO ………… 0.0001″
TRAVEL BY USING THE HANDWHEEL ………… 1.8″
RAPID APPROACH, AUTOMATICALLY ………… 1.5″
MOVEMENT OF WHEELHEAD SLIDE
BY HANDWHEEL ………………………. 1.8″
TRAVEL OF THE WHEELHEAD SLIDE INFEED,
AUTOMATICALLY ……………………… 0 TO .050″ ON DIA.
INFEED SPEED, MAXIMUM ……………….. 1.2″/MIN.
SPARKOUT …………………………… 2 TO 30 SECONDS

WORKHEAD:
SPINDLE TAPER ………………………. #5MT
SWIVELLING RANGE ……………………. 360 DEGREES
INFINITELY VARIABLE SPINDLE SPEED …….. 65 TO 500 RPM

TAILSTOCK:
TAPER OF CENTER BORE ………………… #3MT
TRAVEL OF CENTER ……………………. 0.8″

APPROXIMATE MACHINE DIMENSIONS ……… 60″L X 48″D X 58″H
APPROXIMATE WEIGHT ……………………. 4,400 LBS

MACHINE FEATURES::
TSCHUDIN HYDRODYNAMIC TYPE CYLINDRICAL BRONZE TO
STEEL BEARING WHEELHEAD DESIGN
SIMPLE ONE-KNOB CONTROL INITIATES ALL THE SETTINGS
FOR TRAVERSE & PLUNGE GRINDING CYCLES
HYDRAULIC OPERATION FEATURING:
-POWER TABLE TRAVERSE
-AUTOMATIC INFEED
-DUAL RATE INFEED OPTION
-PLUNGE INFEED
-RAPID WHEELHEAD ADVANCE AND RETRACTION
SPARKOUT TIMER
TSCHUDIN “STANDARD” WORKHEAD w/DUAL LIVE & DEAD SPINDLE

EQUIPPED WITH:
ELECTRICAL CABINET ON MACHINE, NOT SEPARATE
HYDRAULIC RESEVOIR IN BASE, ISOLATED & SEPARATE,
UPDATED IN 2005
COOLANT SYSTEM WITH PAPER FILTRATION
QUICK ACTING LEVER-TYPE COLLET CLOSER. USES W25 COLLETS
THIS WORKHEAD HAS THE LARGER BORE, #5MT SPINDLE
SWING BACK DIAMOND WHEEL DRESSER
“ELASO” MODEL EB200, S/N: 100828, AUTO WHEEL BALANCING
SYSTEM, MADE IN SWITZERLAND
HEIDENHAIN 2X DIGITAL READOUT, INCH & METRIC
HANDWHEELS ON MACHINE ARE METRIC
RAPID COARSE HANDLE FOR RAPID MANUAL ADJUSTMENT
OF THE WHEELHEAD SLIDE POSITION
THIS MACHINE CAN ACCEPT A SWING DOWN I.D.
GRINDING ATTACHMENT
GRINDING WHEEL PRESENTLY ON THE MACHINE
IS 14″ DIA. x 1.25″W x 5″ BORE
DIAL INDICATOR FOR TABLE TAPER ADJUSTMENT
TABLE STOP SET-UP ACCESSORY
ELECTRICAL SYSYTEM UPDATED IN 2005, BEAUTIFULLY EXECUTED.
3/50/220-380 VOLT ELECTRICS
TRANSFORMER FOR 500 VOLTS TO 3/400 VOLTS, 50Hz-60Hz
EXCEPTIONAL CONDITION & APPEARANCE
REBUILT & UPDATED BY “REWITECH” IN SWITZERLAND, 05/2005