Model | Unit | C6246 | C6251 | C6256 |
Max swing over bed | mm | 460 | 510 | 560 |
Max swing over cross slide | mm | 270 | 305 | 355 |
Max swing over gap | mm | 690 | 735 | 785 |
Length of gap | mm | 165 | 170 | 170 |
Max length of workpiece | mm | 1000/1500/2000 | 1500/2000/3000 | 1500/2000/3000 |
Width of bed | mm | 300 | 350 | 350 |
Spindle nose | D1-6 | D1-8 | D1-8 | |
Spindle bore | mm | 58 | 80 | 80 |
Taper of spindle bore | M.T.#6 | M.T.#7 | M.T.#7 | |
Range of spindle speed | r/min | 12changes 25-2000r/min | 12changes 25-2000r/min | 12changes 25-2000r/min |
Max travel of compound rest | mm | 128 | 130 | 130 |
Maxtravel of cross slide | mm | 285 | 316 | 316 |
Leadscrew thread | mm | 6mm or 4 T.P.I | 6mm or 4 T.P.I | 6mm or 4 T.P.I |
Maxsection of tool | mm | 25x25 | 25x25 | 25x25 |
Range of longitudinal feeds | mm/rev | 42kinds 0.031-1.7mm/rev | 35kinds 0.059-1.646mm/rev | 35kinds 0.059-1.646mm/rev |
Range of cross feeds | mm/rev | 42kinds 0.014-0.784mm/rev | 42kinds 0.020-0.573mm/rev | 42kinds 0.020-0.573mm/rev |
Metric threads range | mm | 41kinds 0.1-14mm | 47kinds 0.2-14mm | 47kinds 0.2-14mm |
Inch threads range | T.P.I | 60kinds 2-112 T.P.I. | 60kinds 2-112 T.P.I. | 60kinds 2-112 T.P.I. |
Diametrical pitches range | D.P | 50kinds 4-112D.P. | 50kinds 4-112D.P. | 50kinds 4-112D.P. |
Module piches rang | M.P | 34kinds 0.1-7 M.P. | 34kinds 0.1-7 M.P. | 34kinds 0.1-7 M.P. |
Dia. of tailstock sleeve | mm | 60 | 75 | 75 |
Travel of tailstock sleeve | mm | 130 | 180 | 180 |
Morse taper of tailstock sleeve | M.T.#4 | M.T.#5 | M.T.#5 | |
Power of main motor | kw | 5.5 | 7.5 | 7.5 |
Power of coolant pump | kw | 0.1 | 0.1 | 0.1 |
Packing size | mm | 2280/2800/3300x1120x1650 | 2900/3400/4400x1190x1740 | 2900/3400/4400x1190x1740 |
N.W. | kg | 1645/1810/1965 | 2160/2435/2805 | 2285/2560/2930 |
G.W. | kg | 1910/2115/2295 | 2550/2840/3270 | 2690/2980/3410 |