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48" SUMMIT MODEL SG1250 VERTICAL BORING MILL

Vertical Boring Mills (incld VTL)
Model:
SG1250
Year:
1976
Stock #:
7389
48" SUMMIT MODEL SG1250 VERTICAL BORING MILL

Max. swing with vertical head 55"
Max. swing with side head 51"
Max. weight of workpiece 13,230 Lbs.
Table diameter 47"
Max. machining height above table 39-3/8"
Movement of vertical rams +-35 Degrees
Max. vertical travel of pentagonal turret 30"
Left boring ram vertical travel N/A
Vertical range of side head 35-7/16"
Horizontal range of side head 25-1/2"
Vertical range of cross rail 31-1/2"
Cross rail positioning speed 19 IPM
Number of speeds 3 Ranges
Speed range (infinitely variable) 5 - 252 RPM
Number of feeds (Vertical & Horizontal) 16
Feed range (Vertical & Horizontal) .002 - .200 IPM
Voltage main feed 480v
Dimensions (LxWxH) 160"x175"x153"
Machine weight (approx.) 35,500 Lbs.

MOTOR SPECIFICATIONS

74 HP DC Main spindle drive motor, Machine currently wired 480 Volts
4 HP Rapid traverse motor
5.5 HP Crossrail elevation motor

Single piece column and base of cast meechanite
Heavily ribbed construction
Induction hardened cross rail ways

(CONT.)
Precision hardened and ground gears
Timken type taper roller bearings
Right hand pentagonal turret
Built-in leveling pads and screws
Three stage gear box on spindle drive
Side head with 4-way indexable tool holders
Rapid traverse (118 IPM)
Power rapid traverse to all heads
4-Jaw chuck with reversible jaws
Wiper on all ways
Pressurized lubrication 2/sight gauges
Constant surface speed
Full pendant control
Totally enclosed electrical equip cabinet
Motors and controls
Emergency stop switch
Full length bronze tapered gibbing
Chrome plated handwheels and dials
THIS MACHINE HAS BEEN JUST RELEASED FROM A JET ENGINE REPAIR
FACILITY & REPORTED TO BE IN EXCELLENT CONDTION.
WAS $32,500.00

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