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C6251,C6256 high precision lathe machine
 

Main Features:
1)The guide way and all gears in the headstock are hardened and precision ground.
2)The spindle system is high rigidity and accuracy.
3)The machines have powerful headstock gear train, high rotating accuracy and smooth running with low noise.
4)An overload safety device is provided on the apron.
5)Pedal or electromagnetic braking device.
6)Tolerance test certificate, test flow chart included
Main Specification:

PECIFICATION 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
2 Four Jaw Chuck and Adapter
3 Face Plates
4 Steady Rest
5 Follow Rest
6 Oil Gun
7 Thread Chasing Dial
8 Operation Manual
9 One set of Wrenches
10 MT 7/5 Sleeve and MT 5 Center
SPECIAL ACCESSORIES
1 Driving Plate 2 Quick Change Tool Post 3 Taper Turning Attachment

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