GMC Heavy Duty 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 10 HP
- 12 spindle speeds from 36-1,600 rpm
- Threading and feeding rate change without changing gears
- Automatic kick-out longitudinal carriage stop system for GT-2040& GT-2060 & GT-2080 only
- Oil pump on apron for lubrication to all ways and leadscrews
- Spindle is balanced, hardenedand 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
Standard Equipment:
(free) for “GMC” Heavy Duty Lathes Model # GT-2040, GT-2060, GT-2080
- Free Taper turning attachment, , installed
- Spindle clutch
- 4-way repaid traverse on carriage and cross slide
- 12” 3-jaw chuck with top reversible jaws
- 16” 4-jaw chuck with top reversible jaws
- 25” Face plate
- 10” drive plate
- 4-3/4” – 10-1/4” large steady rest with roller jaws
- 1”-3” follow rest
- Automatic kick-out longitudinal carriage stop system for 60” & 80” only
- Oil pump on apron for lubrication to all ways and leadscrews
- Removable gap
- 4-way tools post
- Foot brake
- Halogen Work light
- coolant system
- Full length splash guard
- (2) dead centers and (1) reducing sleeve
- Thread chasing dial
- Tool box
Specifications:
| Model | GT-2040 | GT-2060 | GT-2080 |
| Max. swing over bed | 20" | 20" | 20" |
| Max. length of workpiece | 40" | 60" | 80" |
| Max. swing over cross slide | 12" | ||
| Max. Swing in gap | 28" | ||
| Width of Bed | 15-1/2" | ||
| Effective length in gap to spindle | 9" | ||
| Effective length in gap to chuck jaws | 6" | ||
| Spindle bore | D1-8. 4-1/8” | ||
| Taper of spindle center | MT6 | ||
| Spindle speeds | 36-1,600 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, 25 kinds | ||
| 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 | 12-1/2” | ||
| 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 postsize | 1” x 1” | ||
| Longitudinal leadscrew diameter / pitch | Diameter: 3” Pitch: 2 TPI | ||
| Main Motor | 10 HP, 220V/440V, 3phase, 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. | 7,650 LBS | 8,100 LBS | 8,350 LBS |
| Overall dimensions, LxWxH | 86 x 43 x 63 | 106 x 43 x 63 | 123 x 43 x 63 |
GMC Lathe - 20" x 80", 4-1/8" Bore, 12SPD, 10HP, 220V/440V
