Myford MG12-HA

MYFORD MG12-HA
NEW: 1979

MAXIMUM GRINDING DIAMETER ............... 3"
SWING OVER TABLE ........................ 5"
CAPACITY BETWEEN CENTERS ................ 12"
MAXIMUM TABLE TRAVEL .................... 13-3/4"
TABLE SWIVELS EITHER WAY ................ 10 DEGREES
TABLE TRAVEL PER REV. OF HANDWHEEL ...... 0.44"
HYDRAULIC TABLE TRAVERSE ................ 0 TO 120" IPM
DWELL (CARRIAGE) ........................ 0 TO 8 SECONDS

WHEELHEAD (ALL GRADUATIONS,
ON WORK DIAMETER):
TOTAL TRAVEL BY FEED SCREW .............. 3-7/8"
HYDRAULIC RAPID RETRACTION .............. 1-1/8"
INFEED PER REV. OF HANDWHEEL ............ 0.04"
WHEEL FEED GRADUATION ................... 0.0002"
FINE FEED TO DEAD STOP .................. 0.00005"
INTERMITTENT INFEED, COARSE, MAXIMUM .... 0.002"
INTERMITTENT INFEED, FINE, MINIMUM ...... 0.00005"
WHEEL SPEEDS (2) ........................ 1830 & 1988 RPM
GRINDING WHEEL .......................... 12" X 1-1/2" X 5"
MIN. WHEEL DIA. FOR ZERO WORK DIA. .. ... 10"

WORKHEAD:
SPINDLE SPEEDS, INFINITELY VARIABLE ..... 50 TO 900 RPM
CAPACITY THRU STANDARD DRAW TUBE ........ 3/4"
MAXIMUM COLLET CAPACITY ................. 3/4"
APPROXIMATE WEIGHT ...................... 2,080 LBS

EQUIPPED WITH:
HYDRAULIC TABLE TRAVERSE
AUTOMATIC INFEED @ TABLE REVERSAL
VARIABLE DWELL @ EACH END OF TABLE MOVEMENT
HYDRAULIC RAPID ADVANCE AND RETRACTION OF GRINDING WHEEL
WORKHEAD W/DUAL LIVE/DEAD SPINDLE
DRAWBAR WITH COLLET NOSE & CENTER
IENFINITELY VARIABLE WORKHEAD SPINDLE SPEEDS
AUTOMATIC LUBRICATION FOR WHEELHEAD AND CARRIAGE WAYS
COOLANT SYSTEM
3 H.P. GRINDING WHEEL MOTOR, 3/60/230-460 VOLTS
SEPERATE ELECTRICAL CONSOLE CONTROL
MACHINE IS PRESENTLY WIRED FOR 3/60/230 VOLTS