Operating Tips:
| 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 | |
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
