Gap bed lathe machine GH16,GH18

Main features:

1. Hyperacoustic quenched andaccurate grinded bedway and dovetail of saddle;

2. 80mm spindle bore;

3. One piece cast ironbase,with well rigidity;

4. Hyperacoustic quenched andaccurate grinded main drive gear;

5. Forced lubrication ofheadstock by oil pump;

6. Clutch assembled in apronfor 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.

Description

Specification		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