5" X 12" MYFORD HIGH-PRECISION PLAIN HYDRAULIC
CYLINDRICAL GRINDER
MODEL: MG12-HA S/N: HA-129949 NEW: 1977
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"
GRINDING WHEEL .................... 12" X 1-1/2" X 5"
MINIMUM WHEEL DIAMETER FOR ZERO WORK DIAMETER ... 10"
WHEEL SPEEDS (2) .................... 1830 & 1988 RPM
WORKHEAD:
SPINDLE SPEEDS, INFINITELY VARIABLE ... 50 TO 900 RPM
CAPACITY THRU STANDARD DRAW TUBE ............... 3/4"
MAXIMUM COLLET CAPACITY ........................ 3/4"
APPROXIMATE MACHINE 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
STANDARD "PLAIN" MYFORD WORKHEAD W/DUAL LIVE/DEAD SPINDLE
LATER STYLE WORKHEAD, CAN USE MYFORD 4C COLLET SYSTEM
INFINITELY VARIABLE WORKHEAD SPINDLE SPEEDS
AUTOMATIC LUBRICATION FOR WHEELHEAD AND CARRIAGE WAYS
COOLANT SYSTEM
SEPERATE ELECTRICAL CONSOLE CONTROL
3/60/220-440 VOLT MOTORS
SPECIAL NOTE:
MYFORD "SWING DOWN" INTERNAL GRINDING ATTACHMENT
WITH I.D. SPINDLE IS AVAILABLE FOR SALE, PRICE IS $3,950.
** EXCELLENT CONDITION & APPEARANCE **
** INSPECT UNDER POWER IN OUR HARRISON, N.J. FACILITY **
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