GMC GT-1640DB/GT1660DB Lathes

Features

ISO 9001 certified
Large spindle bore 3 1/16"
Heavy duty spindle D1-8
One-piece soled cast iron machine base
Heavy duty guideway width 11 13/15"
Heavy duty main motor 7.5HP
12 spindle speeds from 24-1,600rom, speeds-32/55/85/120/185/275/350/400/605/910/1330/2000 rpms
40 kinds of inch threads, and 41 kinds of metric threads
Threading and feeding rate change without changing gears
Automatic kick-out longitudinal carriage stop system
Spindle is balanced, hardened and precision ground
Spindle is supported at 3-point by height precision bearings
All gears and shafts are hardened and precision ground
Automatic lubrication system in headstock and feed box
One year warranty for parts

Standard Equipment for GT-1640/GT-1660DB

Specifications
Model	GT-1640DB	GT-1660DB
Max. swing over bed	16"
Max. length of workpiece	40"	60"
Max. swing over cross slide	9-7/16"
Max. Swing in gap	23-7/16"
Width of Bed	11 13/16"
Effective length in gap to spindle	10 Â¼"
Effective length in gap to chuck jaws	3"
Spindle bore	3-1/16" , D1-8
Taper of spindle center	M.T.# 6
Spindle speeds	24-1,600 rpm / 12 steps
Longitudinal feeds	.0012-0.0252 IPR, 42 kinds
Cross feeds	0.0006-0.0126 IPR, 42 kinds
Inch threads	56-2 TPI, 40 kinds-56,52,48,46,44,40,36,32,28,26,24,23,22,20,18,16,14,13,12, 11-1/2, 11, 10, 9,8,7,6-1/2, 6, 5-3/4, 5-1/2, 5, 4-1/2, 4, 3-1/2, 3-1/4, 3, 2-7/8, 2-3/4, 2-1/2, 2-1/4, 2
Metric threads	0.4-14 mm , 53 kinds
Module threads	0.4-7 mm, 32 kinds
Diametral pitch threads	32-4 DP , 32 kinds
Max. travel of top slide	5"
Max. travel of cross slide	12"
Max. weight of workpiece	800 LBS
4-way tool post size	1" x 1"
Longitudinal leadscrew diameter / pitch	1-1/2", / 4 TPI
Diameter of tailstock quill	2-1/8"
Max. Travel of tailstock quill	4-3/4"
Taper of tailstock quill center	M.T. # 4
Main motor	7.5 HP, 220V/440V, 3 phase, prewired on 220V
Coolant pump motor	1/8 HP, 220V/440V, 3 phase, prewired on 220V
Net weight, approx	5,250 LBS	5,650 LBS
Overall dimensions, LxWxH	88" x 41" x 48"	108" x 41" x 48"

There is no further information.

Optional Equipment for Heavy Duty Lathes