| GMC LATHE | Specifications |
| Model | GML-40120H , GML-40180 |
| Size | 40" x 120" , 40" x 180" |
| Swing over bed | 40" |
| Distance between centers | 120" , 180" |
| Max swing over cross-slide | 27-9/16" |
| Max swing in gap | 47-1/4" |
| Width of bed | 24" |
| Effective length in gap to spindle | 15" |
| Effective length in gap to chuck jaws | 9" |
| Spindle hole dia. | 5-1/8" |
| Spindle mount | D1-11 |
| Taper of spindle center | MT # 5 |
| Spindle speeds ( 18 Steps ) | 10 - 800 RPM |
| Longitudinal feeds | 0.0027 - 0.66 IPR, 64 kinds |
| Cross feeds | 0.00157 - 0.378 IPR, 64 kinds |
| Threads | Details |
| Inch threads | 32 - 2 TPI 31 kinds |
| Metric threads | 1 - 240 mm , 53 kinds |
| Diamentral pitch threads | 60 - 1/2 DP , 47 kinds |
| Module threads | 0.25 - 60 MM , 47 kinds |
| Carriage | Details |
| Maximum travel of top slide | 8-7/8" |
| Maximum travel of cross-slide | 24-3/16" |
| Longitudinal rapid traverse | 126" / Min |
| Cross rapid traverse | 75" / Min |
| Tailstock | Details |
| Diameter of tailstock quill | 4-3/4" |
| Maximum travel of tailstock quill | 10-5/8" |
| Taper of tailstock quill center | M.T. # 6 |
| Motors | Details |
| Main motor ( Pre-wired 220 V / 3 ) | 20 HP, 220/440 V, 3 phase |
| Rapid traverse motor | 2 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 |
| GML-40120 | 15,900 lbs |
| GML-40180 | 17,700 lbs |
| Overall dimensions | Details |
| GML-40120 L x W x H | 204" x 67" x 78" |
| GML-40180 L x W x H | 263" x 67" x 78" |
MACHINE 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 ACCESSORIES INCLUDED:
· 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
· Removable gap
· 4-way tool post
· Foot
brake
· Work light
· Coolant system
· Section splash guard on rear of carriage
· (2) Dead Centers
and (1) reducing sleeve
· Thread chasing dial
· 4-Way rapid traverse on carriage
· Tool box
