The guide way and all gears in the headstock are hardened and precision ground.
The spindle system is high rigidity and accuracy.
The machines have powerful headstock gear train, high rotating accuracy and smooth running with Iow noise.
An overload safety device is provided on the apron.
Pedal or electromagnetic braking device.
Tolerance test certificate, test flow chart included
SPECIFICATION |
C6251 |
C6256 |
||||
Swing over red |
510mm(20") |
560mm(22") |
||||
Swing in gap |
300mm(11-7/8") |
350mm(13-3/4") |
||||
Swing of gap |
738mm(29") |
788mm(31") |
||||
Length of gap |
200mm(8") |
|||||
Distance between centers |
1500mm(60") |
2000mm(78") |
1500mm(60") |
2000mm(78") |
||
Center height |
1135mm |
1160mm |
||||
Width of bed 350mm(13-3/4") |
||||||
Spindle nose |
D1-8 |
|||||
Spindle bore |
80mm(3-1/8") |
|||||
Taper of spindle bore |
No.7Morse |
|||||
Range of spindle speed |
12changes25-1600r/min |
|||||
Max.travel of compound rest |
130mm(5-1/8") |
|||||
Max.travel of cross slide |
326mm(12-15/16") |
|||||
Leadscrew pitch |
6mmOr4T.P.L |
|||||
Max.section of tool |
25×25mm(1×1") |
|||||
Longitudinal feeds range |
35kinds0.059-1.646mm/rev(0.0022"-0.0612"/rev) |
|||||
Cross feeds range |
35kinds0.020-0.573mm(0.00048"-0.01354") |
|||||
Metric threads range |
47kinds0.2-14mm |
|||||
Inch threads range |
60kinds2-112T.P.L |
|||||
Diametrical pitches range |
50kinds4-112D.P. |
|||||
Module pitches range |
39kinds0.1-7M.P. |
|||||
Dia of tailstock sieeve |
75mm(3") |
|||||
Travel of tailstock sleeve |
180mm(7") |
|||||
Morse taper of tailstock sleeve |
No.5Morse |
|||||
Cross adjustment |
±13mm(±1/2") |
|||||
Power of main motor |
7.5kw(10HP)3PH |
|||||
Power of coolant pump |
0.1kw(1/8HP),3PH |
|||||
Overall dimension(L×W×H)cm |
290×112×143 |
340×112×143 |
290×112×146 |
340×112×143 |
||
Packing size(L×W×H)cm |
296×113×182 |
346×113×182 |
296×113×182 |
346×113×182 |
||
Net weight/Gross weight |
2335/2700 |
2685/3070 |
2370/2740 |
2720/3110 |
||
STANDARD ACCESSORIES |
||||||
1 Three Jaw Chuck and Adapter |
6 Oil Gun |
|||||
SPECIAL ACCESSORIES |
||||||
1 Driving Plate 2 Quick Change Tool Post 3 Taper Turning Attachment |