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USED 7inch Giddings & Lewis
HEAVY DUTY PRECISION HORIZONTAL BORING MILL
NEW late 50's
GENERAL SPECIFICATIONS;
Spindle diameter (main) 7 inch (178mm)
Spindle diameter (high speed) 2-1/2 inch (64mm)
Spindle feed ranges (2 main) .005-.500 IPM
Spindle feed ranges (2 high speed) .002-.125 IPM
Spindle speeds (main) 2 to 400 RPM
Spidle speeds (high speed) 7.5 to 1600 RPM
Spindle taper (main) #7 Morse
Spindle taper (high speed) #4 Morse
Spindle continuous feed travel (main) 60 inch (1,524mm)
High speed feed travel (high speed) 15 inch (381mm)
Vertical travel headstock 96 inch (2,438mm)
Column runway travel longitudinal 60 inch (1,524mm)
Table size 6 ft 8inch x 18ft long (2032 x 5,486mm)
Table cross travel 18 ft (5,486mm)
Bed length 40 ft (12,192mm)
Approx. weight on bed 175,000 lbs.

MOTOR SPECIFICATIONS:
40 HP 230 volt DC Spindle drive motor
75 HP 3/60/220 volt Motor generator set

EQUIPPED WITH
Outboard support 96inch vertical (tailstock)
Column runway for 48inch travel with independent power and adjustment
Non-metallic table ways in column base and table ways
Telescoping platform
Scales and adjustable venires
Lubrication system