HERKULES WS 450-8L X 3500 CNC CYLINDRICAL GRINDER
MACHINE JUST OUT OF SERVICE FROM MAJOR AEROSPACE FACILITY.
GRINDER DIA. ................... 25"
MAX. SWING .................... 48"
CENTER DISTANCE ......... 135"

WIEGHTS OF MACHINE PARTS (APPROX. WEIGHTS)

GRINDING CARRIAGE BED ............ 10 T                 22,000 LBS.
GRINDING CARRIAGE ..................... 5,9 T                 13,000 LBS.
ROLL BED ............................................. 7,7 T                 17,000 LBS.
HEADSTOCK ....................................... 4,5 T                  10,000 LBS 
TAILSTOCK .......................................... 1,4 T                   3,000 LBS
SWITCHBOX, EACH .......................... 1,5 T                   3,300 LBS

MAIN DIMENSIONS 

FLOOR SPACE REQUIRED .............. 13,7 X 4,1 m       540" X 275"
CENTER DISTANCE .......................... 3500 mm            135"
GRINDING LENGTH ........................ 3500 mm            135"
GRINDING DIA, MAX (NEW WHEEL) ...... 635mm    25"
GRINDING DIA, MIN. ....................... 0 mm                 0"
MAX. SWING OVER BED ................ 1220 mm            48"
RANGE OF GRINDING HEAD (X-AXIS) ...... 400 mm  15.7"
MAX. WORKPIECE WEIGHT TO BE PERMITTED
? BETWEEN CENTER ........ 8,500 LBS

GRINDING WHEEL

DIMENSIONS, MAX .................. 762 X 75 X 203 mm             30" X 3" X 8"
SPEEDS .......................................... 400-1200 RPM
INTERVAL AMPLITUDE ............ 0 - 15%
INTERVAL PERIOD .................... 20 - 60
DRIVING POWER, MAX. ......... 20,4 KW

GRINDING SPINDLE BEARINGS 

RADIAL PLAY, GRINDING WHEEL SIDE ....... 0,04 mm          0,0015"
RADIAL PLAY, BELT SIDE .................................... 0,04 mm          0,0015"
AXIAL PLAY, MIN .................................................. 0,03 mm           0,011"
MEASURE "A" ........................................................ 84 mm               3.30"

HEADSTOCK

SPEEDS .............................. 10 - 100 RPM 
DRIVING MOMENTUM ........ APPROX.  85 Nm

OSCILLATION OF SPEED

INTERVAL AMPLITUDE ............ 0 - 15%
INTERVAL PERIOD ..................... 20 - 60 SEC.
TYPE OF DRIVE ............................ V-BELT DRIVE

TAILSTOCK

ADJUSTMENT OF CENTER SHAFT ................ 150 mm                   6"
ACCOMMODATION HOLE FOR CENTER ........ 63,5 mm              2,5"
ACCOMMODATION HOLE FOR DRESSER ...... CYL. 9,5 mm        0.375"
MOTOICAL MOVEMENT CENTER SHAFT ........ 10 - 140 mm/MIN.        0,39 - 5, 55 IN/MIN.

GRINDING CARRIAGE MOVEMENTS (Z-AXIS)

FEEDS ...................... 5 - 3000 mm/MIN.              0,2 - 188 IN/MIN.
RAPID MOTION .................... 3000 mm/MIN.        118 IN/MIN.
SLOW MOTION .................... 100 mm/MIN.           4 IN/MIN.

INFEEDS OF GRINDING HEAD (X-AXIS)

AUTOMATIC INFEED ON CARRIAGE REVERSE ...... 0,01 - 0,09 mm        0,0004" - 0,0035"
CONTINUOUS INFEED .................................. 0,01 - 0,2 mm/MIN.              0,0004" - 0,008"
INFEED SPEED FOR AUTOMATIC APPROACH ........ 1 mm/MIN.             0,04 IN/MIN.
RAPID MOTION ................................ 750 mm/MIN.                     29,5 IN/MIN.
SLOW MOTION ............................... 5 mm/MIN.                          0,2
INFEED WITH ELECTRIC HANDWHEEL ....... 1 STROKE 0,0001 mm          0,000004"
                                                                    1 REVOL. 0,01 mm              0,0004"