Nantong No.2 Machine Tool Co.,LTD--the surface grinding machine expert

Product

NT surface grinders

Unit: NT精密程控系统

DESCRIPTION

The machine of NT kind grinders is of cross-moving saddle arrangement with the double V-shaped guide-ways covered by the special teflon laminated，the grinding wheel spindle designed as a self-contained asembly is proped up by the precision ball bearings．It possesses the advantages of high accuracy，good character，easy operation and mentenance for its resonable constructure with flexible x-y-z axes。

TECHNICALDATA

Model	NT200	NT250	NT300	NY400
Work table area	500×200×360	600×250×360	600×300×360	800×400×430
Longitudinal travel of table (hydraulic)	650mm	670mm	670mm	920mm
Distance from table to spindle center	470mm	470mm	470mm	605mm
Handwheel Movement of per grid	0.2mm	0.2mm	0.2mm	0.2mm
Handwheel Movement of per grid	0.002mm	0.002mm	0.002mm	0.002mm
Max.distance of saddle cross movement	250mm	270mm	400mm	500mm
T-slot table	14×1	14×1	14×1	18×3
Vertical fast moving traffic	300（450）	350（550）	350（550）	425（675）
Wheel spindle speed	2840r/min	2840r/min	2840r/min	1440r/min
Wheel size	Φ220×25×Φ75	Φ220×25×Φ75	Φ220×32×Φ75	Φ350×40×Φ127
Spindle motor power	2.2Kw	2.2Kw	2.2Kw	4Kw
Wheelhead rapid elevating motor power	0.37Kw	0.37Kw	0.37Kw	0.05Kw
Hydraulic motor power	0.75Kw	1.5Kw	1.5Kw	4Kw
Horizontal drive motor	0.37Kw	0.37Kw	0.37Kw	0.55Kw
Nei weight	1500Kg	1600Kg	1700Kg	3200Kg
Parallelism to basic surface	1000:0.005mm	1000:0.005mm	1000:0.005mm	1000:0.005mm
Surface roughness	Ra0.8Μm	Ra0.8Μm	Ra0.8Μm	Ra0.8Μm

descriptions,illustrations and specifications give in the pamphiet are subject to alteration without notice.