GMC LATHE | Specifications |
Model | GT-3280 , GT-32120 |
Size | 32" x 80" , 32" x 120" |
Swing over bed | 32" |
Distance between centers | 80" , 120" |
Max swing over cross-slide | 22-1/16" |
Max swing in gap | 39-1/2" |
Width of bed | 20-1/2" |
Effective length in gap to spindle | 10" |
Effective length in gap to chuck jaws | 7" |
Spindle hole dia. | 4-1/8" |
Spindle mount | |
Taper of spindle center | MT # 6 |
Spindle speeds ( 12 ) | 30 - 1400 RPM |
Longitudinal feeds | 0.0023 - 0.93 IPR, 65 kinds |
Cross feeds | 0.0011 - 0.04 IPR, 65 kinds |
Threads | Details |
Inch threads | 28 - 2 TPI 27 kinds |
Metric threads | 1 - 14 mm , 22 kinds |
Diamentral pitch threads | 56 - 4 DP , 24 kinds |
Module threads | 0.5 - 7 MM , 18 kinds |
Carriage | Details |
Maximum travel of top slide | 5-3/4" |
Maximum travel of cross-slide | 17" |
Longitudinal rapid traverse | 18 ft / Min |
Cross rapid traverse | 8 ft / Min |
Tailstock | Details |
Diameter of tailstock quill | 3" |
Maximum travel of tailstock quill | 6" |
Taper of tailstock quill center | M.T. # 5 |
Max. weight of workpiece | 2800 lbs |
Motors | Details |
Main motor ( Pre-wired 220 V / 3 ) | 15 HP, 220/440 V, 3 phase |
Rapid traverse motor | 1/3 HP, 220/440 V, 3 phase |
Coolant pump motor Pre-wired 220 Volt / 3 ) | 1/8 HP, 220/440 V, 3 phase |
Machine net weight | Details |
GT-3280 | 9,350 lbs |
GT-32120 | 9,850 lbs |
Overall dimensions | Details |
GT-3280 L x W x H | 142" x 46" x 68" |
GT-32120 L x W x H | 182" x 46" x 68" |
Standard Equipment included for
GMC Heavy Duty Lathes Model # GT-3280 and GT-32120:
· Free Taper turning attachment,
, installed
· Automatic longitudinal kick-out carriage stop system for GT-3280 only
· 16 inch 3-jaw chuck
with top reversible jaws
· 20 inch 4-jaw chuck with top reversible jaws
· 25 inch Face plate
· 10 inch drive plate
· 6-3/4 â?? 12-1/2 inch large steady rest with roller jaws
· 1-3 inch follow rest
· Removable gap
· 4-way tools post
· Foot brake
· Halogen Work light
· Coolant system
· Oil pump on apron for lubrication to all ways and leadscrews
· Full length rear splash for GT-3280 only
· Section splash guard on Apron for GT-32120 only
· (2) dead centers and (1) reducing sleeve
· Thread chasing dial
· Tool box