Precision Gap-bed Lathe
1. Hyperacoustic quenched and accurate grinded bedway and dovetail of saddle.
2. 80mm spindle bore
3. One piece cast iron base, with well rigidity.
4. Hyperacoustic quenched and accurate grinded main drive gear.
5. Forced lubrication of headstock by oil pump.
6. Clutch assembled in apron for avoiding overload automatic feed.
7. Demountable gapped bed is convenient to manufacture big diameter workpiece.
8. Convenient to cut different threads without changing gears.
9. Five positions are available for automatic feed stop.
10. Foot brake gives rapid braking.
Model | Unit | GH-1640 GH-1660 | GH-1840 GH-1860 | |
Capacity | Max. swing over bed | mm | 400(16'') | 450(18¼'') |
Max. swing over cross slide | mm | 222(8.75'') | 285(11.2¼'') | |
Max. swing over gap | mm | 650(25.63'') | 696(27.4¼'') | |
Max. diameter between centers | mm | 1000(40¼'') 1500(60¼'') | ||
Bed width | mm | 340 | ||
Spindle | Spindle bore | mm | 80(3-1/8¼'') | |
Spindle nose | D-8 | |||
Taper in spindle nose | MT#6 | |||
Steps of spindle speeds | step | 12 | ||
Range of spindle speeds | r/min | 40-1600 | ||
Feeding &Threading | Range of Longitudinal feeds | mm | 0.0325-1.76(0.0012¼''-0.0672¼''/rev) | |
Range of cross feeds | mm | 0.014-0.736(0.0005¼''-0.0288¼''/rev) | ||
Metric thread range | mm | 0.1-144(41 kinds) | ||
Inch thread range | T.P.I. | 2-112(60 kinds) | ||
Diameter thread range | DP | 4-112(50 kinds) | ||
Module thread range | MP | 0.1-7(34 kinds) | ||
Lead screw | Diameter of lead screw | mm | 36(1.41¼'') | |
pitch thread of lead screw | mm | 6(4 T.P.I.) | ||
Apron | Max. cross slide travel | mm | 220(9¼'') | |
Max. compound slide travel | mm | 120(4-3/4¼'') | ||
Tailstock | Tailstock quill travel | mm | 130(5¼'') | |
Diameter of tailstock quill | mm | 70(2-3/4¼'') | ||
Taper in tailstock quill | MT#4 | |||
Main motor | Main motor power | kw | 5.5(7-1/2HP) | |
Weight | Gross weight | kg | 2600 | 2800 |
Net weight | kg | 2400 | 2600 | |
Overall dimension (LxWxH) | mm | 1970x800x1460 | 2920x1140x1680 |
Standard accessories:
3 jaw chuck, changing gears, dead center, reduction sleeve, oil gun, coolant system, working light
Optional accessories:
4 jaw chuck, face plate, steady rest, follow rest, chasing dial indicator, liver center
Optional equipments:
Digital readout system (DRO), quick change tool post & holders, taper turning attachment
Precision Gap-bed Lathe