Precision heavy duty lathe C6251 / C6256
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? Patent slip borad box structure
?Automatic lubrication system
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 low noise.
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″) | ||
| Width of bed | 350mm(13-3/4″) | |||||
| Spindle nose | D1-8 | |||||
| Spindle bore | 80mm(3-1/8″) | |||||
| Taper of spindle bore | No.7 Morse | |||||
| 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 | |||||
| Power of main motor | 7.5kw(10HP)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 | ||
