Operating Tips:

Precision Gap-bed Lathe (GH-1640BC, GH-2060BC, GH-2690BC)

Features:

High rigidity spindle system, with absolute temperature rising no higher than 35 degree.

The headstock, gear box, apron and bedways are made of high quality cast iron, and are all cast with the resin sand foundry technology.

The bed ways are induction-hardened, with hardness around HRC 55.

The spindle supported by 3-pointed high-precision bearings and all gears in headstock are precisely ground, the spindle turns smoothly at high speed.

 

Standard Accessories:
3 jaw chuck, 4 jaw chuck, Face plate, Steady rest, Follow rest, Dead center, Oil gun, Coolant system, Working light, General tools, Foundation bolts, Operation manual (English edition)


Optional Accessories:
2, 3-axes DRO, Quick change tool post, Taper turning attachment, CE execution



Main Technical Features

Specification Unit GH-1640BC GH-2060BC GH-2690BC 
Capacity Max.Swing dia. over bed mm Φ400 Φ500 Φ660
Max.Swin dia. over cross slide mm Φ230 Φ330 Φ420
Max.Swing dia. over gap mm Φ620 Φ720 Φ880
Length of Gap mm 280
Distance between centers mm 1000 1500 2200
Spindle Taper of spindle bore   MT6 MT6
spindle bore mm Φ52 Φ80
Steps of spindle speeds   16steps 16steps
Range of spindle speeds r/min 18-1800rpm 16-1600rpm
Spindle nose   D1-6 D1-6
Threading &Feeding Metric thread range mm 0.1-144(41 kinds)
Inch screw thread range TPI 2-112(60 kinds)
Range of longitudinal feeds mm 0.0325-1.76
Range of cross feeds mm 0.014-0.736
Diametric pitch threads Dp 4-112(50 kinds)
Module threads mm 0.1-7(34 kinds)
Tailstock Travel of tailstock quill mm 120
Diameter of tailstock quill mm Φ55
Taper of tailstock quill   MT4
Power Main motor power Kw 4/5.5
Overall dimensions of lathe (LxWxH) mm 2400x1230x1560 2900x120x1610 3600x1345x1675
Net Weight/Gross weight Kg 1600/1800 1800/2000 2600/2800
October 23 2021
               
ZHENGZHOU TIMEWAY MACHINE TOOL CO., LTD.