GMC Machine Tools Heavy Duty Precision Gap Bed Lathe GT-2680

GMC Machine Tools Heavy Duty Precision Gap Bed Lathe GT-2680

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Description

Please note: many products ship straight from manufacturer GMC Heavy Duty Precision Gap Bed Lathe GT-2680 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 36-1,600 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

STANDARD ITEMS: Free Taper turning attachment, installed Longitudinal kick-out carriage stop system for GT-2660 & GT-2680 only 12” 3-jaw chuck with top reversible jaws 20” 4-jaw chuck 25” Face plate 10” drive plate 4-3/4” – 10-1/4” large steady rest 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-2660 & GT-2680 only Section splash guard on Apron for GT-26120 only (2) dead centers and (1) reducing sleeve Thread chasing dial Tool box

Specifications

ManufacturerGMC Machine Tools
ModelGT-2680
ConditionNew
Stock NumberGT-2680
Max. swing over bed26"
Max. length of workpiece80"
Max. swing over cross slide16-1/2"
Max. Swing in gap34-1/4"
Width of Bed15-1/2"
Effective length in gap to spindle9"
Effective length in gap to chuck jaws6"
Spindle boreD1-8, 4-1/8”
Taper of spindle centerMT6
Spindle speeds36-1,600 rpm / 12 steps
Longitudinal feeds0.0023-0.093 IPR, 65 kinds
Cross feeds0.0011-0.04 IPR, 65 kinds
Inch threads28.2 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 threads1-14 mm , 22 kinds
Module threads0.5-7 mm, 18 kinds
Diameter Pitch threads56-4 DP , 24 kinds
Max. travel of top slide5-3/4"
Max. travel of cross slide14"
Longitudinal rapid traverse18 ft / min
Cross rapid traverse8 ft / min
Diameter of tailstock quill3"
Max. travel of tailstock quill6”
Taper of tailstock quill centerM.T. # 5
Max. weight of workpiece2,000 lbs.
4-way Tool Post Size1" x 1"
Longitudinal leadscrew diameter / pitchDiameter: 3 — Pitch: 2 TPI
Main motor15 HP, 220V/440V, 3 phase, prewired on 220V
Rapid traverse motor1/3 HP, 220V/440V, 3 phase, prewired on 220V
Coolant pump motor1/8 HP,220V/440V, 3 phase, prewired on 220V
Net weight, approx.8,700 lbs
Overall dimensions, LxWxH142” x 45” x 66”