GMC 32" Precision Gap Bed Lathe with 4-1/8" Spindle Bore
Features:
- ISO 9001 certified
- Large spindle bore 4-1/8"
- Adjustable mechanical spindle clutch for spindle start Forward/reverse and brake, spindle brake without stop the spindle motor to longer motor 8 times life than most other Brand lathe with electrical start/stop.
- 4-way rapid traverse on Longitudinal and cross ways
- All dual inch/metric dials.
- Solid cast iron machine base
- Heavy Duty guideway width 15-1/2”
- Heavy Duty main motor 15 HP
- 12 spindle speeds from 30-1,400 rpm
- Oil pump on apron for all ways and leadscrews
- Threading and feeding rate change without changing gears
- Spindle is balanced, hardened and precision ground
- Spindle is supported at 3-point by high precision bearings
- All gears and shafts are hardened and precision ground
- Guideways induction hardened and precision ground
- Automatic lubrication system in headstock and feed box
- One year warranty for parts
SPECIFICATIONS | ||
Model | GT-3280 | GT-32120 |
Max. swing over bed | 32” | |
Max. length of workpiece | 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 bore | 4 1/8” | |
Taper of spindle center | MT6 | |
Spindle speeds | 30-1,400 rpm / 12 steps | |
Longitudinal feeds | 0.0023-0.093 IPR, 65 kinds | |
Cross feeds | 0.0011-0.04 IPR, 65 kinds | |
Inch threads | 28-2 TPI, 27 kinds-28,14,7,3-1/2, 27, 24, 12, 6, 3, 22, 11, 5-1/2, 2-3/4, 20, 10, 5, 2-1/2, 18,9,4-1/2, 2-1/4, 16, 8, 4, 2, 11-1/2,19 | |
Metric threads | 1-14 mm , 22 kinds | |
Module threads | 0.5-7 mm, 18 kinds | |
Diameter pitch threads | 56-4 DP , 24 kinds | |
Max. travel of top slide | 5-3/4” | |
Max. travel of cross slide | 17” | |
Longitudinal rapid traverse | 18 ft / min. | |
Cross rapid traverse | 8 ft / min. | |
Diameter of tailstock quill | 3” | |
Max. travel of tailstock quill | 6” | |
Taper of tailstock quill center | M.T. # 5 | |
4-way tool post size | 1” x 1” | |
Longitudinal leadscrew diameter / pitch | Diameter: 1-3/4”/ Pitch: 2 TPI | |
Main Motor | 15 HP, 220V/440V, 3 phase, prewired on 220V | |
Rapid traverse motor | 1/3 HP, 220V/440V, 3 phase, prewired on 220V | |
Coolant pump motor | 1/8 HP,220V/440V, 3 phase, prewired on 220V | |
Net weight, approx. | 9,350 LBS | 9,850 LBS |
Overall dimensions, LxWxH | 142” x 46” x 58” | 182” x 46” x 58” |
Standard Equipment
- Free Taper turning attachment, (factory installed, no charge)
- 16” 3-jaw chuck with top reversible jaws
- 20” 4-jaw chuck with top reversible jaws
- 25” Face plate
- 10” drive plate
- 6-3/4” – 12-1/2” large steady rest with roller jaws
- 1”-3” 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 guard 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