GMC Heavy Duty Gap Bed Lathes, 5-1/8" Large Spindle Bore
Model # GML-4080H - 40" x 80", 5-1/8" spindle bore, 20HP
Model # GML-40120H - 40" x 120", 5-1/8" spindle bore, 20HP
Model # GML-40180H - 40" x 180", 5-1/8" spindle bore, 20HP
Model # GML-40240H - 40" x 240", 5-1/8" spindle bore, 20HP
Standard Features:
- ISO 9001 certified
- Large spindle bore 5 1/8"
- Heavy Duty spindle D1-11
- Heavy Duty guideway width 24
- Heavy Duty main motor 20 HP
- 18 spindle speeds from 10 to 800 rpm
- 31 kinds of inch threads, and 53 kinds of metric threads
- Threading and feeding rate change without changing gears
- 4-way rapid traverse to carriage and cross slide
- 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
- Adjustable hydraulic clutch for spindle turning and brake
- Power 220V / 208V , 3 phase, 60 HZ ( 440V / 460V is optional )
- One year industrial warranty for parts
Standard Free Equipment:
- 20"3-jaw chuck with top reversible jaws
- 25" 4-jaw chuck with top reversible jaws
- 31 1/2" Face plate
- 12" drive plate
- 20" large steady rest
- Follow rest
- Removeable gap
- 4-way tools post
- Foot brake
- Work light and coolantsystem
- Section splash guard on rear of carriage
- (2) dead centersand (1)reducingsleeve
- Thread chasing dial
- 4-way rapid traverse on carriage
- Tool box
Optional Equipment:
- Taper attachment, 30" travel, # TA-40H
- DRO for GML-4080H, SINO, # SINO-2080, 2 axis, free install
- DRO for GML-4080H,NEWALL # NW2080, 2 axis, free install
- DRO for GML-40120H,NEWALL # NW20120, 2 axis, free install
- DRO for GML-40180H, NEWALL # NW20160, 2 axis, free install
- DRO for GML-40240H,NEWALL # NW20240, 2 axis, free install
| Specifications: | GML-4080H | GML-40120H | GML-40180H | GML-40240H |
| Machine Weight, approx LBS. | 14,600 | 15,900 | 17,700 | 19,900 |
| Overall Dimensions, L x W x H | 171 x 67 x 78 | 204 x 67 x 78 | 263 x 67 x 78 | 327 x 67 x 78 |
| Max. Length of Workpiece | 80" | 120" | 180" | 240" |
| Max. Swing over Bed | 40-9/16" |
| Max. Swing over Cross Slide | 27-9/16" |
| Max. Swing in Gap | 47-1/4" |
| Width of Bed | 24" very wide bed |
| Effective Length in Gap to Spindle | 15" |
| Effective Length in Gap to Chuck | 9" |
| Spindle Bore | 5-1/8" , D1-11 |
| Taper of Spindle Center | M.T. #5 |
| Spindle Speeds | 10 - 800 rpm / 18 steps |
| Longitudinal Feeds | 0.0027-0.66 IPR, 64 kinds |
| Cross Feeds | 0.00157-0.378 IPR, 64 kinds |
| Inch threads | 32-2TPI, 31 kinds |
| Metric threads | 1-240 mm, 53 kinds |
| Module threads | 0.25-60 mm, 47 kinds |
| Diametral pitch threads | 60 - 1/2 DP, 47 kinds |
| Max. Travel of Top Slide | 8-7/8" |
| Max. Travel of Cross Slide | 24-3/16" |
| Longitudinal rapid travel speed | 126" / min. |
| Cross Slide rapid travel speed | 75" / min. |
| Diameter of tailstock quill | 4-3/4" |
| Max. travel of tailstock quill | 10-5/8" |
| Taper of tailstock quill center | M.T. #6 |
| Main Motor | 20 HP, 220V or 440V, 3 phase, prewiredon 220V |
| Rapid traverse motor | 2 HP, 220 or 440V, 3 phase, prewired on 220V |
| Coolant pump motor | 1/8 HP, 220V or 440V, 3 phase, prewired on 220V |
