Nantong No.2 Machine Tool Co.,Ltd
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NT surface grinders

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.