GMC 20" x 80" Bed Gap Metal Lathe | 3-1/8" Bore | 2-Axis DRO GML-2080
Bed Gap Metal Lathe with a big spindle bore 3-1/8". Precise, robust, and fully equipped with a 29 swing in gap. Whether you're in a machine shop or looking to replace your old workhorse in your home garage, this metal lathe is for you. It comes standard with a fully assembled metal stand with two cabinets on each side to keep your tooling and accessories stored.
- ISO 9001 certified
- 1-Year Parts Only Warranty
- Large spindle bore 3-1/8”
- Spindle D1-8
- Guideway width 12”
- Main motor 10HP
- 16 spindle speeds from 25-1,800 rpm, 12 speeds
- 4-way rapid traverse on the carriage longitudinal and cross
- 60 kinds of inch threads, and 41 kinds of metric threads
- 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
DISCLAIMER
Please note this machine is incompatible with the use of a rotary phase converter. Any attempt to purchase, install, or employ one, whether carried out by you or a professional service company, will automatically void the warranty. It is crucial to understand that any such actions are entirely the responsibility of the buyer.
This disclaimer is intended to clearly convey that the utilization of a rotary phase converter to power or operate this machine is not supported.
Specifications and Manual
| Specification | Value |
|---|---|
| Max. Swing & Length | |
| Max. Swing Over Bed | 20" |
| Max. Length of Workpiece | 80" |
| Max. Swing Over Cross Slide | 12 1/2" |
| Max. Swing in Gap | 29-1/8" |
| Width of Bed | 12" |
| Effective Length in Gap to Spindle | 6" |
| Effective Length in Gap to Chuck Jaws | 3 1/2" |
| Spindle & Threading | |
| Spindle Bore | 3 1/8" | D1-8 |
| Taper of Spindle Center | M.T. #7 |
| Spindle Speeds | 25-1,800 rpm / 12 steps |
| Longitudinal Feeds | 0.0011-0.063 IPR, 42 kinds |
| Cross Feeds | 0.0003-0.018 IPR, 42 kinds |
| Inch Threads | 2-112 TPI, 60 kinds |
| Metric Threads | 0.1-14 mm , 41 kinds |
| Diametral Pitch Threads | 4-112 DP , 50 kinds |
| Module Threads | 0.1-7mm, 34 kinds |
| Travel & Tapers | |
| Max. Travel of Top Slide | 5" |
| Max. Travel of Cross Slide | 11 1/4" |
| Spindle Length w/o Chuck | 17-1/2" |
| Leadscrew Length X TPI | 1 1/4" x 4 TPI |
| Diameter of Tailstock Quill | 2-3/8” |
| Max. Travel of Tailstock Quill | 5-1/8” |
| Taper of Tailstock Quill Center | MT4 |
| Motor | |
| Main Motor | 10 HP 3 Ph. |
| Prewired | 220VAC / 35A |
| Optional | 440VAC / 20A |
| Coolant Pump | 1/8 HP 3 Ph. |
| Prewired | 220VAC |
| Optional | 440VAC |
| Weight & Dimensions | |
| Net Weight | 6,350 lbs. |
| Overall Dimensions (L x W x H) | 128" x 43" x 59" |
Standard Equipment
- Free Taper turning attachment, , installed
- Free SINO DRO, installed
- Automatic kick-out longitudinal carriage stop system
- 10” 3-jaw chuck with top reversible jaws, direct mount
- 12” 4-jaw chuck, direct mount
- 14” Face plate
- 1/2”-6” steady rest with roller jaws
- 7/8”-4-3/8” follow rest
- Removeable gap
- 4-way tools post
- Foot brake
- Halogen Work light and coolant system
- Full length splash guard
- Dead centers
- Thread chasing dial
- Tool box and leveling pads
Optional Add-Ons
Call for Price
- 5-C Hand lever type collet closer, free install
- 33 pc 5C collet set, from 1/16”-1-1/16” by 32 nd , Part# 3900-0014
- ALORIS type QC tool post set # 3900-5260-300, 6 pcs
- Live Center # 3900-5004 for tailstock
- Live Center # 3900-5005 for headstock
- ¾ to 10-1/2” large steady rest with roller jaws