size | 40x120 | 40x120 |
Swing | 40" | 1,016 mm |
Centers | 120" | 3,048 mm |
Spindle Bore | 5" | 127 mm |
RPM | 691 RPM | 691 RPM |
Swing Over Cross Slide | 27" | 685.8 mm |
GMC Model 40-120 Gap Bed Engine Lathe
Max. swing over bed: 40-9/16"
Max. length of workpiece: 120"
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: 9"
Spindle bore: 5.5"
Taper of spindle center: M.T.#5
Spindle speeds: 9 - 691 rpm/18 steps
Longitudinal feeds: 0.0027-0.66 IPR, 64 s
Cross feeds: 0.00157-0.378 IPR, 6s
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
Max. workpiece weight: 6,000 lbs.
Machine weight, approx: 16,100 lbs.
Overall dimensions (LxWxH): 204" x 69" x 81"
Equipped With
3-jaw chuck
4-jaw chuck
steady rests
digital readout
Removable gap
4-way tool post
Foot brake
Work light and coolant system
Thread chasing dial
4-way rapid traverse on carriage
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