3.5" Sigma Tos W9A Table Type Horizontal Boring Mill

3-1/2" SIGMA TOS HORIZONTAL
TABLE TYPE BORING MILL
MODEL: W9A, NEW: 1981

SPECIFICATIONS:
SPINDLE DIAMETER ...................... 3-1/2"
TAPER IN SPINDLE ...................... NO. 40
TABLE SURFACE ......................... 39" X 44"
RANGE OF TRAVELS -
SPINDLE .............................. 28"
HEADSTOCK, VERTICAL .................. 44"
TABLE, LONG. (WITH BACK REST) ........ 55"
TABLE, CROSS ......................... 49"
TABLE, CIRCULAR RANGE ................ 360 DEGREES
SPEEDS -
SPINDLE ... 18 SPEEDS ................ 28 - 1,400 RPM
FACING HEAD SPEEDS.................... 14-180
BORING FEEDS FOR: SPINDLE, HEADSTOCK, TABLE
AND OPTIONAL FACING SLIDE.
NO. OF FEED STEPS................. 18
RATE OF BORING FEEDS ............. 0.0006"-.03"/REV
CIRCULAR FEED OF TURNTABLE, BASED
ON 39-1/4" DIA. (18 STEPS) ........... 1.5"-107"/REV
CIRCULAR FEED OF TURNTABLE,
BASED ON 39-1/4" DIA. ................ 0.02"-.1"/REV
RAPID TRAVERSE (ALL MOVEMENT) ......... 94"/MIN.
RAPID FEED TO TURNTABLE ............... 2.6 RPM
THREADS PER INCH ... 24 STEPS ......... 120 - 2
MAX. DIST. OF SPINDLE AXIS TO TABLE ... 44"
MAIN MOTOR ............................ 10 HP
MAX. WEIGHT OF WORKPIECE .............. 6,600 LBS.
FLOOR AREA REQUIRED ................... 210" X 100"
OVERALL HEIGHT OF MACHINE ............. 144"
WEIGHT OF MACHINE (APPROX.) ........... 24,300 LBS.